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f3d9c6215f8a5e9c1b86fbd7164ab05632e7ae2f
subsection
32
76
Canonical form of equation for
Hence by (REF ) {\rm Re{\hspace{1.42262pt}}}Z^{\prime }_{21} reduces to{\rm Re{\hspace{1.42262pt}}}Z^{\prime }_{21}=-{\rm Re{\hspace{1.42262pt}}}2\frac{\langle ({\bf C}_T\!-2i\mu _T-0)^{-1}{\bf P}_T^c jE_2[u,u], E_2[u,u]\rangle }{\varkappa } =-\frac{2}{\delta }{\rm Im{\hspace{1.42262pt}}}\langle R(2i\mu +0){\bf P}_T^c ...
{ "cite_spans": [] }
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
[ 572, 6620, 390, 11766, 919, 39, 853, 65421, 91977, 4015, 10837, 6328, 1511, 8353, 114654, 3117, 34390, 7, 47, 9, 304, 132076, 3066, 150598, 313, 38, 5428, 561, 23320, 5759, 436, 1647, 34, 241, 5445, 1961, 161, 7495, 1743, 3370, 627, 5...
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614975c79993a3e4c3fda745096ebc9c2345df61
subsection
33
76
Canonical form of equation for
Hence by the Cauchy residue theorem we have\langle R(2i\mu +0)\alpha , j\alpha \rangle = -\frac{1}{2\pi i}\int \limits _{{\cal C}_+\cup {\cal C}_-}d\lambda ~ \frac{\langle (R(\lambda +0)-R(\lambda -0))\alpha , j\alpha \rangle }{\lambda -2i\mu -0}Now we use the representationR(\lambda +0)-R(\lambda -0)=-\frac{\tau _{\pm...
{ "cite_spans": [] }
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
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72305ec6341d0863a3a65e12efba6c1a6f232e3b
subsection
34
76
Canonical form of equation for
Using that \frac{1}{\nu +i0}=p.v.\frac{1}{\nu }-i\pi \delta (\nu ) where p.v. is the Cauchy principal value, we have\langle R(2i\mu +0)\alpha , j\alpha \rangle \!\!\!&=&\!\!\!-\frac{1}{16\pi }\int _{-\infty }^{-\omega }\;\frac{d\nu }{k_-|D|^2} \frac{\langle \tau _-,j\alpha \rangle \overline{\langle \tau _-,j\alpha \r...
{ "cite_spans": [] }
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
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a7e1a23679781f24885aa12302e463825a463d75
subsection
35
76
Canonical form of equation for
Now we estimate the remainder \tilde{Z}_R.Lemma 5.4 The remainder \tilde{Z}_R has the form\tilde{Z}_R={\cal R}_1(\omega ,|z|+\Vert f\Vert _{L^{\infty }_{-\beta }}) \Bigl [(|z|^2+\Vert f\Vert _{L^{\infty }_{-\beta }})^2+ |z||\omega _T-\omega |\Vert h\Vert _{L^{\infty }_{-\beta }} +|z|\Vert k_1\Vert _{L^{\infty }_{-\bet...
{ "cite_spans": [] }
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
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9da113dc8936468418a9391af0b957a5da763386
subsection
36
76
Canonical form of equation for
We can apply now the method of normal coordinates to equation (REF ).Lemma 5.5 (cf. )There exist coefficients c_{ij} such that the new function z_1 defined byz_1=z+c_{20}z^2+c_{11}z\overline{z}+c_{02}\overline{z}^2+c_{30}z^3 +c_{12}z\overline{z}^2+c_{03}\overline{z}^3,satisfies an equation of the form \dot{z}_1=i\mu (\...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 517, "openalex_id": "", "raw": "V.S. Buslaev, C. Sulem, On asymptotic stability of solitary waves for nonlinear Schrödinger equations,Ann. Inst. Henri Poincaré, Anal. Non Linéaire 20 (2003), no.3, 419-475.", "source_ref_id":...
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
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15467de4bf2d1252a64a09ed73eef4af75504d50
subsection
37
76
Canonical form of equation for
The equation satisfied by y is simply obtained by multiplying (REF ) by \overline{z}_1 and taking the real part:\dot{y}=2{\rm Re{\hspace{1.42262pt}}}(iK_T)y^2 +Y_R,where|Y_R|\!=\!{\cal R}_1(\omega ,|z|+\Vert f\Vert _{L^{\infty }_{-\beta }})|z| \Bigl [(|z|^2+\Vert f\Vert _{L^{\infty }_{-\beta }})^2+ |z||\omega _T-\omega...
{ "cite_spans": [] }
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
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2ce7c97da7f41b88d070cb556a556ace87e26fc3
subsection
38
76
Bound for
Now we obtain a uniform bound for |\omega _T-\omega (t)| on the interval [0,T].&&\!\!\!\!\!\!\!\! |\omega _T-\omega (t)|\le |\omega _{1T}-\omega _1(t)|+|\omega _{1T}-\omega _T|+|\omega _1(t)-\omega (t)|\\ &\!\!\!\!\!\le &\!\!\!\!\int _t^T|\dot{\omega }_1(\tau )|d\tau + {\cal R}(\omega _T,|z_T|+\Vert f_T\Vert _{L^{\inft...
{ "cite_spans": [] }
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
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33a98dac107a17bfc0c2ba592bab76862622a59a
subsection
39
76
Bound for
Then|\omega _T-\omega |\le {\cal R}_2(\omega , |z|+\Vert f\Vert _{L^{\infty }_{-\beta }}) \Bigl [\int _t^T\!(|z|^2+\Vert f\Vert _{L^{\infty }_{-\beta }})^2d\tau + (|z_T|+\Vert f_T\Vert _{L^{\infty }_{-\beta }})^2 +(|z|+\Vert f\Vert _{L^{\infty }_{-\beta }})^2\Bigr ]As in (REF ), we suppose the smallness condition:|z(0)...
{ "cite_spans": [] }
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
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655b0593659d3bb7d30428e5dd60a986f00dca67
subsection
40
76
Bound for
Thereforey(0)=|z_1(0)|^2\le \varepsilon +{\cal R}(\omega ,|z(0)|)\varepsilon ^{3/2}.From the formula h={\bf P}_T^cf=f+({\bf P}^d-{\bf P}_T^d)f, we see that\Vert h(0)\Vert _{L^1_\beta }\le c\varepsilon ^{3/2}+{\cal R}_1(\omega )|\omega _T-\omega | \Vert f(0)\Vert _{L^{\infty }_{-\beta }}.Lemma 5.7 The function k_1 defi...
{ "cite_spans": [] }
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
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767054d08a9e5554c5e0faf7a884536c77fd9c0e
subsection
41
76
Bound for
Therefore, the bounds (), (), and assumption (REF ) imply (REF ).
{ "cite_spans": [] }
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
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1df695673fb267825c5e8f5571781c47b35f999f
subsection
42
76
Large time asymptotics
In this section we will make use of the dispersive estimates given in § to prove the asymptotic representation for the solution of (REF ) with initial data as in Theorem REF .
{ "cite_spans": [] }
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
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4224e64f28bfa22ea3d0ae362e4bda28d73ac632
subsection
43
76
Definition of majorants
We define the quantities{\mathbb {M}}_0(T)&=&\max \limits _{0\le t\le T}|\omega _T-\omega |\Big (\frac{\varepsilon }{1+\varepsilon t}\Big )^{-1}\\ {\mathbb {M}}_1(T)&=&\max \limits _{0\le t\le T}|z(t)|\Big (\frac{\varepsilon }{1+\varepsilon t}\Big )^{-1/2}\\ {\mathbb {M}}_2(T)&=&\max \limits _{0\le t\le T}\Vert h_1\V...
{ "cite_spans": [] }
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
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f6d2bc559aea7f8c45718f155b561f6945373098
subsection
44
76
Estimates of remainders and initial data
Lemma 6.1 The remainder Y_R defined in (REF ) satisfies the estimate|Y_R|={\cal R}(\varepsilon ^{1/2}{\mathbb {M}})\frac{\varepsilon ^{5/2}}{(1+\varepsilon t)^2\sqrt{\varepsilon t}} (1+|{\mathbb {M}}|)^5.Using the equality f=g+h=g+k+k_1+h_1, Lemma REF and the definitions of the {\mathbb {M}}_j, the remainder Y_R is bo...
{ "cite_spans": [] }
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
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a5d18c6105e1072bc21ca22147b47a12c893aab9
subsection
45
76
Estimates of remainders and initial data
\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\! +\Big (\frac{\varepsilon }{1+\varepsilon t}\Big )^{3/2}{\mathbb {M}}_0{\mathbb {M}}_1 \Big (\frac{\varepsilon }{1+\varepsilon t}{\mathbb {M}}_1^2+\frac{\varepsilon }{(1+ t)^{3/2}} +\Big (\frac{\varepsilon }{1+\varepsilon t}\Big )^{3/2}{\mathbb {M}}_3\...
{ "cite_spans": [] }
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
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61878692f972380d8cc6e7ae2d4651e92cc040b0
subsection
46
76
Estimates of remainders and initial data
For the A_m we now obtain:Lemma 6.3\Vert A_{m}\Vert _{{\cal M}_{\beta }}= {\cal R}(\varepsilon ^{1/2}{\mathbb {M}}) \Big (\frac{\varepsilon }{1+\varepsilon t}\Big )^{3/2}\Big ({\mathbb {M}}_1^3+\varepsilon ^{1/2}(1+|{\mathbb {M}}|)^3\Big ).Estimate (REF ) implies\Vert A_{m}\Vert _{{\cal M}_{\beta }} ={\cal R}_2(\omega ...
{ "cite_spans": [] }
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
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31811e76aadc3e593dcec430c89f117266340413
subsection
47
76
Integral inequalities and decay in time
This section is devoted to a study of the system:\dot{y}=2{\rm Re{\hspace{1.42262pt}}}(iK_T)y^2+Y(t),\dot{h}_1={\bf C}_Mh_1+H(x,t),under some assumptions on the initial data, and on the inhomogeneous (or source) terms Y and H. Equation (REF ) for y is of Ricatti type. For the initial data, we assumey(0)\le \varepsilon ...
{ "cite_spans": [] }
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
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331403edcf6c58c0d69052fa10d97f270631976d
subsection
48
76
Integral inequalities and decay in time
Finally, corresponding to (REF ), we work under the assumption {\rm Re{\hspace{1.42262pt}}}(iK_T)=-{\rm Im{\hspace{1.42262pt}}}K_T<0.Lemma 6.4 () The solution of (REF ), with initial condition and source term satisfying (REF ) and (REF ) respectively, is bounded as follows for t>0:|y(t)-\frac{y(0)}{1+2{\rm Im{\hspace{1...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 465, "openalex_id": "", "raw": "V.S. Buslaev, C. Sulem, On asymptotic stability of solitary waves for nonlinear Schrödinger equations,Ann. Inst. Henri Poincaré, Anal. Non Linéaire 20 (2003), no.3, 419-475.", "source_ref_id":...
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
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7c0d1dbdc33f8cae056e0c3b51c2ed3b6c23fa81
subsection
49
76
Inequalities for majorants
In this section we estimate in turn the three majorants {\mathbb {M}}_0,{\mathbb {M}}_1,{\mathbb {M}}_2.Lemma 6.6 The majorants {\mathbb {M}}_0(T), {\mathbb {M}}_1(T), and {\mathbb {M}}_2(T) satisfy{\mathbb {M}}_0(T)={\cal R}(\varepsilon ^{1/2}{\mathbb {M}})\Bigl [(1+{\mathbb {M}}_1)^4+\varepsilon (1+|{\mathbb {M}}|)^...
{ "cite_spans": [] }
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
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f7321cf1da658b97608034a7532020c4ef589542
subsection
50
76
Inequalities for majorants
Using (REF ) as well as (REF ) to bound the initial condition y(0), it follows that y\le {\cal R}(\varepsilon ^{1/2}{\mathbb {M}})\Big [\frac{\varepsilon }{1+\varepsilon t}+\Big (\frac{\varepsilon }{1+\varepsilon t}\Big ) ^{3/2}(1+|{\mathbb {M}}|)^5\Big ]. Therefore|z|^2\le y+ {\cal R}(\omega )|z|^3 \le {\cal R}(\var...
{ "cite_spans": [] }
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
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d15842706e32fbea168bf092efa5355216ce2297
subsection
51
76
Uniform bounds for majorants
Now we prove that if \varepsilon is sufficiently small, all the {\mathbb {M}}_i are bounded uniformly in T and \varepsilon .Lemma 6.7 For \varepsilon sufficiently small, there exists a constant M independent of T and \varepsilon , such that,|{\mathbb {M}}(T)|\le M.Combining the inequalities (REF )-(REF ) for the {\mat...
{ "cite_spans": [] }
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
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9a670030a1f5d963549101d313fee2cdb54c190f
subsection
52
76
Large time behaviour of solution
Here we deduce from corollary REF a theorem which describe a large time behaviour of the solution. Notice that in the decomposition f=g+h=g+h_1+k+k_1, a fixed time T has been chosen, and all the components depend on \omega (T). From the above proposition, we know that \omega (t) has a limit \omega _{+} as t\rightarrow ...
{ "cite_spans": [] }
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
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f1f6333b340cf547b96a470e4354668e1a270c55
subsection
53
76
Large time behaviour of solution
A corresponding statement also holds for t\rightarrow -\infty .
{ "cite_spans": [] }
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
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5a24c8c54fc53496cda0fa455d6cc75385ee99c8
subsection
54
76
Scattering asymptotics
In this section we obtain the scattering asymptotics (REF ).
{ "cite_spans": [] }
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
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17d3b4f2bab9570f6ff327a16dd32eded0c02a31
subsection
55
76
Large time behavior of
We start with equation (REF ) for z_1, rewritten as \dot{z}_1=i\mu z_1+iK_{+}|z_1|^2z_1+\widehat{\widehat{Z}}_R with K_{+}=K(\omega _{+}). By (REF ) the inhomogeneous term \widehat{\widehat{Z}}_R satisfies the estimate|\widehat{\widehat{Z}}_R| ={\cal R}(\varepsilon ^{1/2}M)\frac{\varepsilon ^2}{(1+\varepsilon t)^{3/2...
{ "cite_spans": [] }
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
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32032ac59c3f2bdef49bc1588abd35b182cd7780
subsection
56
76
Large time behavior of
The solution z_1 of (REF ) is written in the formz_1=\!\frac{e^{i\int _0^t\mu (t_1)dt_1}}{(1+{\epsilon }k_{+}t)^{\frac{1}{2}(1-i\delta )}} \Big [z_1(0)+\!\int _0^t\!\!e^{-i\int \limits _0^s\mu (t_1)dt_1} (1+{\epsilon }k_{+}s)^{\frac{1}{2}(1-i\delta )}Z_1(s)ds\Big ] =z_{\infty }\frac{e^{i\int _0^t\mu (t_1)dt_1}}{(1+{\ep...
{ "cite_spans": [] }
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
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819649050d3448dc015254f3c115a284afd491d6
subsection
57
76
Large time behavior of
Therefore z(t)=z_1(t)+ O(t^{-1}) satisfiesz(t)= z_{+}\frac{e^{i\int _0^t\mu (t_1)dt_1}}{(1+{\epsilon }k_{+}t)^{\frac{1}{2}(1-i\delta )}} + O(t^{-1}),\;t\rightarrow \infty ,\quad z_{+}=z_{\infty }(\omega _{+}).From these formulas for z(t), the asymptotic behavior of \omega (t) and \gamma (t) can be deduced as in , leadi...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 839, "openalex_id": "", "raw": "V.S. Buslaev, C. Sulem, On asymptotic stability of solitary waves for nonlinear Schrödinger equations,Ann. Inst. Henri Poincaré, Anal. Non Linéaire 20 (2003), no.3, 419-475.", "source_ref_id":...
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
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43f13837d140e95f713812ed1d6bb5c5df61206b
subsection
58
76
Soliton asymptotics
Here we prove the statement (REF ) in our main theorem REF .
{ "cite_spans": [] }
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
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e7974fb056b9b9989049e12aedf83518c809b1ef
subsection
59
76
Soliton asymptotics
To achieve this we look for the solution \psi (x,t) to (REF ), in the corresponding complex form \psi =s+{\rm v}+f, wheres(x,t)=\psi _{\omega (t)}(x)e^{i\theta (t)},\quad \dot{\theta }(t)=\omega (t)+\dot{\gamma }(t)is the accompanying soliton, and{\rm v}(x,t)=v(x,t)e^{i\theta (t)},\quad v(x,t)=\big (z(t)+\overline{z}(t...
{ "cite_spans": [] }
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
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4e19df2d4479bb409a2b0b996952a57599c5ebcf
subsection
60
76
Soliton asymptotics
The function f(x,t) which is a solution of (REF ) can be expressed asf(t)&= &W(t)f(0)+\int _0^t W(t-\tau )R(\tau ) d\tau \\ &= &W(t)\Big (f(0)+ \int _0^{\infty } W(-\tau )R(\tau )d\tau \Big ) -\int ^{\infty }_t W(t-\tau )R(\tau )d\tau = W(t)\phi _{+}+r_{+}(t)where W(t) is the dynamical group of the free Schrödinger equ...
{ "cite_spans": [] }
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
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c7fdd623d13e29df606e83334ff88c16c123951c
subsection
61
76
Soliton asymptotics
To prove the L^2-properties, let us change the variable to \tau =1/u to get:\psi (x):=\frac{1}{\sqrt{-4\pi i}}\int _0^\infty e^{-iux^2/4}~\eta (u)~du =\frac{1}{\sqrt{-2i}}{\mathcal {F}}_{u\rightarrow x^2/4}(\theta (u)\eta (u)), \qquad \eta (u)=\Pi (1/u)/u^{3/2},where {\mathcal {F}}_{u\rightarrow \xi }(f(u))=\hat{f}(\xi...
{ "cite_spans": [] }
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
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fc689ccffbb9ed2aec92f5a2d5661f52eb530611
subsection
62
76
Soliton asymptotics
The Young inequality then implies that\Vert \rho (x,t)\Vert _{L^2}\le \Vert \rho (x,t)(1+|x|)^{1/q}\Vert _{L^{q}} \Vert (1+|x|)^{-1/q}\Vert _{L^{r}}\le Ct^{-\frac{1-p/2}{p}},\; q^{-1}+r^{-1}=1/2if r>q. To have r>q, we must take q<4, or equivalently p>4/3. Hence, we have \nu =(1-p/2)/p<1/4. The second lemma studies the...
{ "cite_spans": [] }
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
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5b2f23ac5cc91b8f3f6fd6dcfffc51f35ec38f62
subsection
63
76
Soliton asymptotics
Then\int _0^{\infty }\Pi (\tau ) W(-\tau )\psi d\tau \in C_b({\mathbb {R}})\cap L^2({\mathbb {R}})and\bigl \Vert \int ^{\infty }_t\Pi (\tau ) W(t-\tau )\psi d\tau \bigr \Vert _{C_b({\mathbb {R}})\cap L^2({\mathbb {R}})} \le C t^{-1/3},\quad t>1.Since \Vert W(t)\psi \Vert _{C_b}= O(t^{-1/2}) then C_b– properties are evi...
{ "cite_spans": [] }
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
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857f11626e3624c368a631235ee2477a3e00664f
subsection
64
76
Soliton asymptotics
It suffices to prove thatI(t)=\Big \Vert \int _t^{\infty }\frac{e^{i(\xi ^2+\omega _+-2\mu _+)\tau } \hat{\psi }(\xi )~d\tau }{1+\tau }\Big \Vert _{L^2}={\cal O}(t^{-1/3})For the fixed 0<\beta <1 let us define\chi _{\tau }(\xi )=\left\lbrace \begin{array}{ll}1,~{\rm if}~|\xi -\sqrt{2\mu _+-\omega _+}|\le 1/\tau ^{\beta...
{ "cite_spans": [] }
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
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ee17e77ca0e7b1943efd210631265179720a72ae
subsection
65
76
Soliton asymptotics
Hence (REF ) follows.Remark 7.5 The t\rightarrow -\infty case is handled in an identical way.
{ "cite_spans": [] }
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
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88a52322b307e1ef121f13fd644123e8fc376275
subsection
66
76
Eigenfunctions of discrete spectrum
Here we find the function u=u(\omega ) satisfying {\bf C}u=\lambda u, where \lambda =i\mu . Using the definition of the operator {\bf C}, we obtain\left( \begin{array}{rcr}-\lambda &&-\Delta +\omega \\ \Delta -\omega &&-\lambda \end{array}\right)u = \delta (x) \left( \!\begin{array}{cc} 0 &a\\ -a-b &0 \end{array}\!\rig...
{ "cite_spans": [] }
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
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acdf9e232c241120bf48ba72acd6b2de315fee9f
subsection
67
76
Eigenfunctions of discrete spectrum
Then {\rm Im{\hspace{1.42262pt}}}k_\pm (\lambda )>0 for \lambda \in {\cal C}_\pm and we have two corresponding vectors v_\pm =(1,\pm i) and four linearly independent exponential solutionsv_+e^{\pm ik_+ x}=(1,\, i)e^{\pm ik_+ x},~~~~~~~~~~~~ v_-e^{\pm ik_- x}=(1, -i)e^{\pm ik_- x}.Now we find the solution to (REF ) in ...
{ "cite_spans": [] }
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
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ade1df87986115ea60bbe12dea77b99b5527697e
subsection
68
76
Eigenfunctions of continuous spectrum
Let \lambda =i\nu with some \nu >\omega . First, we find an even solution u=\tau _+ to (REF ) in the form\tau _+=(Ae^{ik_+ |x|}+Be^{-ik_+ |x|})v_{+}+Ce^{ik_- |x|}v_{-}Similarly (REF ) and (REF ), we obtain\left\lbrace \begin{array}{l} 2ik_{+}(A-B)=-\alpha (A+B)-\beta C \\ \\ 2ik_{-}C=-\beta (A+B)-\alpha C \end{array}\...
{ "cite_spans": [] }
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
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5fef49f1a12bb30bc434aa521df07377284b3af7
subsection
69
76
Proof of Proposition
Denote by B a Banach space with the norm \Vert \cdot \Vert .Lemma C.1 (cf.) Let the operator K(t), t>0, satisfiesK(t)=\int \zeta (\nu )e^{i\nu t}Q(\nu )d\nu ,\quad Q(\nu ):=\frac{L(\nu )-L(\nu _0)}{\nu -\nu _0},where \zeta \in C_0^\infty ({\mathbb {R}}), \zeta (\nu )=1 in the some vicinity of \nu _0, and for k=0,1,2M_k...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 403, "openalex_id": "", "raw": "A. Komech, E.Kopylova, On Asymptotic stability of moving kink for relativistic Ginsburg-Landau equation, accepted in Commun. Math. Phys., ArXiv:0910.5538", "source_ref_id": "23d254201e69c1f65b...
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
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765e332a526c6ba617414e0b3d96a4f68136fdb4
subsection
70
76
Proof of Proposition
Then we obtaine^{{\bf C}t}({\bf C}-2i\mu -0)^{-1}=-\frac{1}{2\pi i}\int _{-i\infty }^{i\infty } e^{\lambda t}\frac{R(\lambda +0)- R(2i\mu +0)}{\lambda -2i\mu }~d\lambda=-\frac{1}{2\pi i}\!\int _{-i\infty }^{i\infty }\! e^{\lambda t}\zeta (\lambda )\frac{R(\lambda +0)- R(2i\mu +0)}{\lambda -2i\mu }~d\lambda -\frac{1}{2\...
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0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
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d0460c98d2031a4dce6a79ff3e8f1c259a0cc8d9
subsection
71
76
Proof of Proposition
At the points \lambda =0 and \lambda =\pm i\mu the integrand has the poles of finite order. Hoverever, all the Laurent coefficients vanish when applied to {\bf P}^{c}h. Hence for {\bf K}_3(t) we obtain, twice integrating by parts,\Vert {\bf K}_3(t){\bf P}^ch\Vert _{L^{\infty }_{-\beta }} \le c(1+t)^{-3/2}\Vert h\Vert _...
{ "cite_spans": [] }
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
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1cedbc8f2e2d2cabfadb721033d6adb14b61bb8c
subsection
72
76
Proof of Lemma
We will use the following representation (see ):{\bf P}^c=\frac{1}{2\pi i}\int _{{\cal C}_{+}}\!({\bf R}(\lambda +0) -{\bf R}(\lambda -0))d\lambda +\frac{1}{2\pi i}\int _{{\cal C}_{-}}\!({\bf R}(\lambda +0)\!-\!{\bf R}(\lambda -0))d\lambda = {\bf \Pi }^++{\bf \Pi }^-.Let us decompose the resolvent, as given in (REF ) a...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 96, "openalex_id": "", "raw": "V.Buslaev, A.Komech, E.Kopylova, D.Stuart, On asymptotic stability of solitary waves in a nonlinear Schrödinger equation, Comm. Partial Diff. Eqns 33 (2008), no. 4, 669-705.", "source_ref_id": ...
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
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18e25570108e0a22a43d1151986f4a30cfe96005
subsection
73
76
Proof of Lemma
For \lambda \in {\cal C}_+ we have: k_+ is real, and k_+(\lambda +0)=-k_+(\lambda -0) while k_- is pure imaginary with {\rm Im{\hspace{1.42262pt}}}k_->0 and k_-(\lambda +0)=k_-(\lambda -0).Since A_5(\lambda ,x,y) for \lambda \in {\cal C}_+ exponentially decay if |x|,\,|y|\rightarrow \infty and smallest exponential rate...
{ "cite_spans": [] }
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
en
Physics
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d5e9ed09308fbd56a137fd3b2c2ba66c94c1d9ea
subsection
74
76
Fermi Golden Rule
In this section we show that condition (REF ) holds generically in a certain sense: in particular, if a(\cdot ) is a polynomial function then, generically, the set of values of C for which (REF ) fails is isolated. By (REF )\tau _{+}(2i\mu )\mid _{x=0}=(\overline{D}-D)v_{+}+4\beta ik_{+}v_{-} =-4ik_{+}(\alpha +2ik_{-})...
{ "cite_spans": [] }
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
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Physics
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0d0aa74a6861ee446a4e2680f336dda152640fee
subsection
75
76
Fermi Golden Rule
Therefore, (u(0),u(0))=(\rho +1)^2-(\rho -1)^2=4\rho and then\tilde{E}_2[u(0),u(0)]=a^{\prime }(C^2)4\rho \left(\begin{array}{c} C\\0\end{array}\right) +2a^{\prime \prime }(C^2)C^2(\rho +1)^2\left(\begin{array}{c} C\\0 \end{array}\right) +2a^{\prime }(C^2)C(\rho +1)\left(\begin{array}{c} \rho +1\\i(\rho -1) \end{array}...
{ "cite_spans": [] }
0807.1878
On asymptotic stability of solitons for nonlinear Sch\"odinger equation
[ "A. I. Komech", "E. A. Kopylova", "D. Stuart" ]
[ "math-ph", "math.AP", "math.MP" ]
2,008
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Physics
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abstract
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11
Abstract
We study a scalar phi field that unifies inflation and dark energy with a long period of a hot decelerating universe in between these two stages of inflation. A key feature is that the transition between the intermediate decelerated phase to the dark energy phase is related to a quantum regeneration of the scalar field...
{ "cite_spans": [] }
0807.1880
Inflation-Dark Energy unified through Quantum Regeneration
[ "A. de la Macorra", "F. Briscese" ]
[ "astro-ph" ]
2,008
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Physics
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e6410eb1ec9bbfed59848fd4cb03e1accce85ea6
subsection
1
11
Body
Inflation-Dark Energy unified through Quantum RegenerationA. de la Macorra and F. Briscese Instituto de Física, Universidad Nacional Autonoma de Mexico, Apdo. Postal 20-364, 01000 México D.F., MéxicoPart of the Collaboration Instituto Avanzado de CosmologiaWe study a scalar \phi field that unifies inflation and dark e...
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0807.1880
Inflation-Dark Energy unified through Quantum Regeneration
[ "A. de la Macorra", "F. Briscese" ]
[ "astro-ph" ]
2,008
en
Physics
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11799e800aca216d812e7b9ca9d60628e41bcc11
subsection
2
11
Body
If the inflaton decay is not complete then the remaining energy density of the inflaton redshifts as matter at late times. The amount of residual energy density must be fine tuned if one wants to be interpreted as dark matter. However, in our case the uniton can no longer have a minimum at a finite value for \phi since...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 369, "openalex_id": "", "raw": "A. de la Macorra and G. Piccinelli, Phys. Rev. D 61, 123503 (2000), arXiv:hep-ph/9909459; A. de la Macorra, C. Stephan-Otto, Phys. Rev. D 65, 083520 (2002), arXiv:astro-ph/0110460.", "source_r...
0807.1880
Inflation-Dark Energy unified through Quantum Regeneration
[ "A. de la Macorra", "F. Briscese" ]
[ "astro-ph" ]
2,008
en
Physics
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00c11ce62d9d0baba43f2eb4dd670d00ca85af6a
subsection
3
11
Body
The requirement for V is that it satisfies the slow roll conditions |V^{\prime }/V|<1, |V^{\prime \prime }/V|<1, where a prime denotes derivative w.r.t. to \phi , at the inflation epoch and at present time for DE. We also take V such that \phi evolves through regions where instant preheating is possible, e.g. V(\phi =0...
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0807.1880
Inflation-Dark Energy unified through Quantum Regeneration
[ "A. de la Macorra", "F. Briscese" ]
[ "astro-ph" ]
2,008
en
Physics
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e78a9dbb46f3175fa925502ff7da16f2e4d9c34f
subsection
4
11
Body
In the limit where the decaying particle is non-relativistic with E_a\simeq m_a\gg m_b, p_b\simeq E_b then eq.(REF ) becomesOn the other hand if all particles involved are relativistic and in TE then eq.(REF ) with n_a= c_nT^3, c_n=g_a\zeta (3)/\pi ^2 and E_a=T is\widetilde{c}_{ab}=c_{ab}c_n^{a-1}. In quantum field the...
{ "cite_spans": [] }
0807.1880
Inflation-Dark Energy unified through Quantum Regeneration
[ "A. de la Macorra", "F. Briscese" ]
[ "astro-ph" ]
2,008
en
Physics
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5b27e4bbe59179f44f5ec6d3b63faa0fc4ba948e
subsection
5
11
Body
If we take a polynomial potential V_{int}(\phi ,\varphi )=g\,\phi ^m\varphi ^n with arbitrary values of m,n and use eq.(REF ) we have M_{ab}=\frac{m!n!}{a!(m-a)!b!(n-b)!}\;g\phi ^{m-a}\varphi ^{n-b} and eq.(REF ) becomes \Gamma _{ab} =\Gamma _{12} \Gamma _i^{a-1}\Gamma _f^{b-2} with \Gamma _0 \equiv c_0g^2\phi ^{2(m-1...
{ "cite_spans": [] }
0807.1880
Inflation-Dark Energy unified through Quantum Regeneration
[ "A. de la Macorra", "F. Briscese" ]
[ "astro-ph" ]
2,008
en
Physics
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cb8cc3e9232431f40b4d440f858f6b8bc5056bf8
subsection
6
11
Body
If the fields \chi ,\psi acquire a large mass then \varphi will no longer be coupled at T< m_\chi since below this temperature n_\chi , n_\psi are exponentially suppressed and \Gamma /H will be smaller than one. However, the \varphi temperature will still redshift as T\sim 1/a(t) since it is relativistic.Let us now de...
{ "cite_spans": [] }
0807.1880
Inflation-Dark Energy unified through Quantum Regeneration
[ "A. de la Macorra", "F. Briscese" ]
[ "astro-ph" ]
2,008
en
Physics
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be08d59a7bbad466789b3355c1ab0532e06ed3cf
subsection
7
11
Body
After inflation the energy density \rho _\phi redshifts with an equation of state w_\phi \ne -1 and m_\varphi \phi \approx 0 for \phi \approx 0 giving |\dot{m}_\varphi /m^2_{\varphi }|\gg 1 in eq.(REF ).Universe Reheating– The reheating of the universe takes place via a process \varphi +\varphi \leftrightarrow \chi +\...
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0807.1880
Inflation-Dark Energy unified through Quantum Regeneration
[ "A. de la Macorra", "F. Briscese" ]
[ "astro-ph" ]
2,008
en
Physics
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6841de8f709acd233450eb9f31c3ae8c015443eb
subsection
8
11
Body
The fine structure constant of these interactions are \alpha _I\equiv h^2/4\pi =E_I/4\pi and \alpha _{BD}\equiv g^2/4\pi =E^2_I/4\pi which for E_I=100\,TeV gives \alpha _I=10^{-14}, \alpha _{BD}=10^{-27} to be compared with \alpha _{em}=1/137, the electromagnetic fine structure constant. The constraint on light particl...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 532, "openalex_id": "", "raw": "G. G. Raffelt, Lect. Notes Phys. 741, 51 (2008), arXiv:hep-ph/0611350.", "source_ref_id": "e7b3f9df1085a6ea1d18495deebd299f63a3e57b", "start": 291 }, { "arxiv_id": "", ...
0807.1880
Inflation-Dark Energy unified through Quantum Regeneration
[ "A. de la Macorra", "F. Briscese" ]
[ "astro-ph" ]
2,008
en
Physics
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d75154668773124d4bbed2f2fedd48f047747ec0
subsection
9
11
Body
The inflation, reheating and back decay scales, using eq.(REF ) with q=10, areThe scale E_I is very interesting since it is on the upper limit of susy. This inflationary scale E_I is low compared to the standard 10^{16} GeV but it is large enough to have a reheating temperature to produce all SM particles and it is wit...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 515, "openalex_id": "", "raw": "G.German, G.G.Ross, S.Sarkar. Nucl.Phys.B 608:423-450 (2001), arXiv:hep-ph/0103243.", "source_ref_id": "4d71b42bcd45a675f0aa391fcd5ca0e2648112b1", "start": 359 }, { "arxiv_...
0807.1880
Inflation-Dark Energy unified through Quantum Regeneration
[ "A. de la Macorra", "F. Briscese" ]
[ "astro-ph" ]
2,008
en
Physics
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ea3483bc42c4ae7fcad14383049c426412dbc741
subsection
10
11
Body
Once \phi is regenerated it will grow and its potential will start dominating the universe with \phi =O(1) for V\approx V_o, independent of its initial conditions (tracker behavior). The slow roll conditions are satisfied and the universe will enter an acceleration period or DE domination. This late time decay gives an...
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0807.1880
Inflation-Dark Energy unified through Quantum Regeneration
[ "A. de la Macorra", "F. Briscese" ]
[ "astro-ph" ]
2,008
en
Physics
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b8617c38682b39c86a84a811f37dcb484b27e9dc
abstract
0
7
Abstract
We demonstrate real-time detection of self-interfering electrons in a double quantum dot embedded in an Aharonov-Bohm interferometer, with visibility approaching unity. We use a quantum point contact as a charge detector to perform time-resolved measurements of single-electron tunneling. With increased bias voltage, th...
{ "cite_spans": [] }
10.1021/nl801689t
0807.1881
Time-resolved detection of single-electron interference
[ "S. Gustavsson", "R. Leturcq", "M. Studer", "T. Ihn", "K. Ensslin", "D. C. Driscoll", "A. C. Gossard" ]
[ "cond-mat.mes-hall" ]
2,008
en
Physics
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c109362ef612fc269691ded75c5367241420e348
subsection
1
7
Body
Time-resolved detection of single-electron interference S. Gustavsson simongus@phys.ethz.ch R. Leturcq M. Studer T. Ihn K. Ensslin Solid State Physics Laboratory, ETH Zürich, CH-8093 Zürich, Switzerland D. C. Driscoll A. C. Gossard Materials Departement, University of California, Santa Barbara, CA-93106, USAWe demonstr...
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10.1021/nl801689t
0807.1881
Time-resolved detection of single-electron interference
[ "S. Gustavsson", "R. Leturcq", "M. Studer", "T. Ihn", "K. Ensslin", "D. C. Driscoll", "A. C. Gossard" ]
[ "cond-mat.mes-hall" ]
2,008
en
Physics
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a1a23b3156034a5e901b7b7d4e189af5f3cf72e0
subsection
2
7
Body
Upon arriving in QD2, the electrons are detected in real-time by operating a near-by quantum point contact (QPC) as a charge detector . Coulomb blockade prohibits more than one excess electron to populate the structure, implying that the first electron must leave to the drain before a new one can enter. This enables ti...
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10.1021/nl801689t
0807.1881
Time-resolved detection of single-electron interference
[ "S. Gustavsson", "R. Leturcq", "M. Studer", "T. Ihn", "K. Ensslin", "D. C. Driscoll", "A. C. Gossard" ]
[ "cond-mat.mes-hall" ]
2,008
en
Physics
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a89b5fcba1b14d4248bcc5d2d582d4dee775a07e
subsection
3
7
Body
The solidlines are tunneling rates expected from sequential tunneling,while the dashed line is a fit to the cotunneling model of Eq. ().Parameters are given in the text. The data was taken with B=340~\mathrm {mT}.(c) Energy level configuration of the DQD at the point marked by II in (a, b). Electron transport from sour...
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10.1021/nl801689t
0807.1881
Time-resolved detection of single-electron interference
[ "S. Gustavsson", "R. Leturcq", "M. Studer", "T. Ihn", "K. Ensslin", "D. C. Driscoll", "A. C. Gossard" ]
[ "cond-mat.mes-hall" ]
2,008
en
Physics
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c52bdcefc68ee4ed405e6c39129e5d46a4670298
subsection
4
7
Body
We emphasize that Eq. (REF ) is valid only if \delta _a, \delta _b \gg t_a, t_b and if sequential transport is sufficiently suppressed, i.e. in the range 46~\mathrm {mV} < V_\mathrm {G1} < 48.6~\mathrm {mV} of Fig. REF (b).Coming back to the sketch of Fig. REF (b), we note that the cotunneling configuration of case II ...
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10.1021/nl801689t
0807.1881
Time-resolved detection of single-electron interference
[ "S. Gustavsson", "R. Leturcq", "M. Studer", "T. Ihn", "K. Ensslin", "D. C. Driscoll", "A. C. Gossard" ]
[ "cond-mat.mes-hall" ]
2,008
en
Physics
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b24e6549e2da3606fbcced991580a216cec6f3cb
subsection
5
7
Body
REF (a), i.e., to the energy of the states in QD1. The measurement shows a general shift of the DQD energy with the applied B-field, which we attribute to changes of the orbital wavefunctions in the individual QDs. Within the cotunneling region, \Gamma _\mathrm {in} shows well-defined B-periodic oscillations. At the sa...
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10.1021/nl801689t
0807.1881
Time-resolved detection of single-electron interference
[ "S. Gustavsson", "R. Leturcq", "M. Studer", "T. Ihn", "K. Ensslin", "D. C. Driscoll", "A. C. Gossard" ]
[ "cond-mat.mes-hall" ]
2,008
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Physics
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64890990a69b2223aec41f94ad6f836eda7ba765
subsection
6
7
Body
At V_\mathrm {QPC} = 400~\mathrm {\mu V}, the current through the QPC is approximately 10~\mathrm {nA}. This gives an average time delay between two electrons passing the QPC of e/I_\mathrm {QPC} \sim \! 16~\mathrm {ps}. Since this is ten times larger than the typical cotunneling time, it is unlikely that the electrons...
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10.1021/nl801689t
0807.1881
Time-resolved detection of single-electron interference
[ "S. Gustavsson", "R. Leturcq", "M. Studer", "T. Ihn", "K. Ensslin", "D. C. Driscoll", "A. C. Gossard" ]
[ "cond-mat.mes-hall" ]
2,008
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Physics
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de07131bd3ea57c8c8baa684ad3ee120455c865f
abstract
0
47
Abstract
Granular elasticity, an elasticity theory useful for calculating static stress distribution in granular media, is generalized to the dynamic case by including the plastic contribution of the strain. A complete hydrodynamic theory is derived based on the hypothesis that granular medium turns transiently elastic when def...
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10.1007/s10035-009-0137-3
0807.1883
Granular Solid Hydrodynamics
[ "Yimin Jiang", "Mario Liu" ]
[ "cond-mat.soft" ]
2,008
en
Physics
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97a72897a766444d4fe095e458e9b7f5bbc040a7
subsection
1
47
Introduction
Widespread interests in granular media were aroused among physicists a decade ago, stimulated in large part by review articles revealing the intriguing and improbable fact that something as familiar as sand is still rather poorly understood , , , . The resultant collective efforts have since greatly enhanced our unders...
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10.1007/s10035-009-0137-3
0807.1883
Granular Solid Hydrodynamics
[ "Yimin Jiang", "Mario Liu" ]
[ "cond-mat.soft" ]
2,008
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Physics
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e3ef3b3c0fa00ccf7bc4d7c956dc519ea4b2d3cf
subsection
2
47
Introduction
Transiently elastic media such as polymers are under active consideration at present , , , .The main advantage of the hydrodynamic approach is its stringency. In the Truesdell approach, apart from objectivity, few general constraints exist for the functional dependence of \sigma _{ij} or \partial _t\sigma _{ij}. Theref...
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10.1007/s10035-009-0137-3
0807.1883
Granular Solid Hydrodynamics
[ "Yimin Jiang", "Mario Liu" ]
[ "cond-mat.soft" ]
2,008
en
Physics
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bb2d781756109cd1a8faf58bb652ebe52ea42924
subsection
3
47
Introduction
This is the reason granular media can sustain static stress only when at rest, but looses it gradually when being tapped or sheared. And our assumption is, this happens similarly no matter how the grains jiggle and slide, and we may therefore parameterize their stochastic motion as a scalar T_g. Our guiding notion is t...
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10.1007/s10035-009-0137-3
0807.1883
Granular Solid Hydrodynamics
[ "Yimin Jiang", "Mario Liu" ]
[ "cond-mat.soft" ]
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Physics
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3b136c3f9c7521d11443e7b1492c7adb5a61ee11
subsection
4
47
Introduction
They contain innumerable internal degrees of freedom that are neglected in mesoscopic models , , , , . For instance, phonons contained in individual grains do explore the phase space and arrive at a distribution appropriate for the ambient temperature. Jamming fixes only a few out of many, many degrees of freedom. Real...
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10.1007/s10035-009-0137-3
0807.1883
Granular Solid Hydrodynamics
[ "Yimin Jiang", "Mario Liu" ]
[ "cond-mat.soft" ]
2,008
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90bb30a205a2a519efb96c943050029ee949a318
subsection
5
47
Introduction
Section  presents the formal derivation of the hydrodynamic theory. The resulting equations are then applied to reproduce the hypoplastic model in section . Finally, section  gives a brief summary.
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10.1007/s10035-009-0137-3
0807.1883
Granular Solid Hydrodynamics
[ "Yimin Jiang", "Mario Liu" ]
[ "cond-mat.soft" ]
2,008
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Physics
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a15e8f62ee0ffc18ebdb175fa2a896d358b9dcbd
subsection
6
47
Sand – a Transiently Elastic Medium
Granular media possess different phases that, depending on the grain's ratio of elastic to kinetic energy, may loosely be referred to as gaseous, liquid and solid. Moving fast and being free most of the time, the grains in the gaseous phase have much kinetic, but next to none elastic, energy , , , , . In the denser liq...
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10.1007/s10035-009-0137-3
0807.1883
Granular Solid Hydrodynamics
[ "Yimin Jiang", "Mario Liu" ]
[ "cond-mat.soft" ]
2,008
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Physics
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43c25241098c1efa9fceca9c8308145cc0e39bef
subsection
7
47
Sand – a Transiently Elastic Medium
The elastic coefficient \mathcal {B}, a measure of overall rigidity, is a function of the density \rho . Assuming a uniform \rho (hence a spatially constant \cal B), the stress at the bottom of a sand pile is (as one would expect) maximal at the center. But a stress dip appears if an appropriate nonuniform density is a...
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10.1007/s10035-009-0137-3
0807.1883
Granular Solid Hydrodynamics
[ "Yimin Jiang", "Mario Liu" ]
[ "cond-mat.soft" ]
2,008
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c92d065850ab27a7c52e5073c44ac030502796ae
subsection
8
47
Jamming and Granular Equilibria
Liquid and solid equilibria are first described, then shown to correspond to the unjammed and jammed equilibria of granular media.
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10.1007/s10035-009-0137-3
0807.1883
Granular Solid Hydrodynamics
[ "Yimin Jiang", "Mario Liu" ]
[ "cond-mat.soft" ]
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45a729901ff262bb5e6a1e9784a39e4153b35ed6
subsection
9
47
Liquid Equilibrium
In liquid, the conserved energy density w(s,\rho ,g_i) depends on the densities of entropy s, mass \rho , and momentum g_i=\rho v_i. The dependence on g_i is universal, given simply byw(s,\rho ,g_i)=w_0(s,\rho )+g_i^2/(2\rho ),leaving the rest-frame energy w_0 to contain the material dependent part. Its infinitesimal c...
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10.1007/s10035-009-0137-3
0807.1883
Granular Solid Hydrodynamics
[ "Yimin Jiang", "Mario Liu" ]
[ "cond-mat.soft" ]
2,008
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33d6bb4c7a98b1767bfbbeec5fb93ed8178fc04f
subsection
10
47
Liquid Equilibrium
We focus on Eqs (REF ) here.Including gravitation, the energy is \bar{w}_0=w_0+\phi , with G_k=-\nabla _i\phi the gravitational constant pointing downwards. The generalized chemical potential is\bar{\mu }(\rho )\equiv \partial \bar{w}_0/\partial \rho =\mu +\phi ,while chemical equilibrium, \nabla _i\bar{\mu }=0, is\nab...
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10.1007/s10035-009-0137-3
0807.1883
Granular Solid Hydrodynamics
[ "Yimin Jiang", "Mario Liu" ]
[ "cond-mat.soft" ]
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dea28b92ad7b2b24f96eeef704a5164da513ca8b
subsection
11
47
Solid Equilibrium
In solids, if the subtle effect of mass defects is neglected, density is not an independent variable and varies with the strain (for small strains) as{\rm d}\rho /\rho =-{\rm d}u_{\ell \ell }.Defining \pi _{ij}\equiv -\partial w_0/\partial u_{ij}|_s, we write the change of the energy as{\rm d}w_0(s,u_{ij})=T{\rm d}s-\p...
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10.1007/s10035-009-0137-3
0807.1883
Granular Solid Hydrodynamics
[ "Yimin Jiang", "Mario Liu" ]
[ "cond-mat.soft" ]
2,008
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Physics
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d7c2e64e90002ad9d8958fae560a201deeba1d36
subsection
12
47
Granular Equilibria
Depending on whether T_g is zero or finite, sand flip-flops between the above two types of behavior. The density is an independent variable, because the grains may be differently packaged, leading to a density variation of between 10 and 20% at vanishing deformation. So the energy depends on all three variables,{\rm d}...
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10.1007/s10035-009-0137-3
0807.1883
Granular Solid Hydrodynamics
[ "Yimin Jiang", "Mario Liu" ]
[ "cond-mat.soft" ]
2,008
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532123bb5f47dd1aca1a216960c1c599744ae548
subsection
13
47
Granular Temperature
Granular temperature is not a new concept. Haff, at the same time Jenkins and Savage , , , , , introduced it in the context of granular gas, taking (in an analogy to ideal gas) T_g\sim w_{\rm kin}, where w_{\rm kin} is the kinetic energy density of the grains in a quiescent granular gas. With T_g\equiv \partial w_{\rm ...
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Granular Solid Hydrodynamics
[ "Yimin Jiang", "Mario Liu" ]
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4d8361a66c5f18c9743771e5b1d5169a260d8347
subsection
14
47
The Equilibrium Condition for
The energy change {\rm d}w from all microscopic, implicit variables is generally subsumed as T{\rm d}s, with s the entropy and T\equiv \partial w_0/\partial s its conjugate variable. From this, we divide out the intergranular energy of the random motion of the grains, denoting it as T_g{\rm d}s_g,{\rm d}w_0=T{\rm d}(s-...
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10.1007/s10035-009-0137-3
0807.1883
Granular Solid Hydrodynamics
[ "Yimin Jiang", "Mario Liu" ]
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54e0583acc0b85aeabb7022d45daf8f83edad1e2
subsection
15
47
The Equation of Motion for
Being a macroscopic, non-hydrodynamic variable, s_g must first of all obey a relaxation equation, -{\partial _t}s_g =\gamma \partial f/\partial s_g=\gamma \bar{T}_g. Since this relaxation is typically slow, s_g also displays characteristics of a quasi-conserved quantity, and removal of local accumulations is accounted ...
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0807.1883
Granular Solid Hydrodynamics
[ "Yimin Jiang", "Mario Liu" ]
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en
Physics
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18b301adb04109921d1f5f2fe18012eef4ef5010
subsection
16
47
The Equation of Motion for
As discussed in section REF , these are, in addition, the vanishing of \pi _{ij}, \nabla _j\pi _{ij}, and \bar{T}_g, hence we haveR=\eta v_{ij}^0v_{ij}^0+\zeta v_{\ell \ell }^2+ \kappa (\nabla _iT)^2+\gamma \bar{T}_g^2 \\+\beta (\pi ^0_{ij})^2+\beta _1\pi _{\ell \ell }^2 +\beta ^P(\nabla _j\pi _{ij})^2.Three additional...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 1152, "openalex_id": "", "raw": "P. Kostädt and M. Liu, Three ignored Densities, Frame-independent Thermodynamics, and Broken Galilean Symmetry,, Phys. Rev. E 58, 5535, (1998).", "source_ref_id": "a393ed884fea8e54e6181bb1bf3...
10.1007/s10035-009-0137-3
0807.1883
Granular Solid Hydrodynamics
[ "Yimin Jiang", "Mario Liu" ]
[ "cond-mat.soft" ]
2,008
en
Physics
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298f5787bf2a69e03c6187744ce9cc4dff3a093c
subsection
17
47
The Equation of Motion for
A direct consequence for the stationary case, R_g=0, is\gamma \bar{T}_g^2=\eta _g v_{ij}^0v_{ij}^0+\zeta _g v_{\ell \ell }^2,quantifying how much \bar{T}_g\equiv T_g-T is excited by shear or compressional flows.In dry sand, the granular viscosities \eta _g,\zeta _g probably dominate, while \eta ,\zeta are insignificant...
{ "cite_spans": [] }
10.1007/s10035-009-0137-3
0807.1883
Granular Solid Hydrodynamics
[ "Yimin Jiang", "Mario Liu" ]
[ "cond-mat.soft" ]
2,008
en
Physics
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d082a0e9d8e23050d36158f0d278218489f96236
subsection
18
47
Two Fluctuation-Dissipation Theorems
There are many in the granular community who dispute the validity of the Onsager reciprocity relation in granular media, enlisting any of the following three reasons: (1) The fluctuation-dissipation theorem (fdt) does not hold. (2) The microscopic dynamics is not reversible. (3) Sand is too far off equilibrium.Careful ...
{ "cite_spans": [] }
10.1007/s10035-009-0137-3
0807.1883
Granular Solid Hydrodynamics
[ "Yimin Jiang", "Mario Liu" ]
[ "cond-mat.soft" ]
2,008
en
Physics
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b6a057d73efde4fe601d5e466dd5b03a4abf1015
subsection
19
47
Elastic and Plastic Strain
As discussed in section , the elastic strain u_{ij} accounts for the deformation of individual grains, while their rolling and sliding is described by the plastic strain p_{ij}. Together, they form the total strain\varepsilon _{ij}= u_{ij}+p_{ij}.The elastic energy w(u_{ij}) is a function of u_{ij}, not of \varepsilon ...
{ "cite_spans": [] }
10.1007/s10035-009-0137-3
0807.1883
Granular Solid Hydrodynamics
[ "Yimin Jiang", "Mario Liu" ]
[ "cond-mat.soft" ]
2,008
en
Physics
[ 1301, 45252, 40059, 70, 128766, 177488, 75, 454, 13786, 15426, 7, 100, 8, 5037, 2320, 111, 11651, 162048, 12960, 2363, 21972, 214, 136, 132692, 151552, 390, 32204, 915, 429, 3173, 3622, 26761, 15759, 4759, 1328, 254, 48302, 148, 34, 83, ...
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2efac6abd8d1186840cd2bf9060037db4ebc1ad0
subsection
20
47
Elastic and Plastic Strain
Assuming (for simplicity) a stationary granular temperature, or T_g^2=(\eta _g/\gamma ){v_{ij}v_{ij}}\equiv (\eta _g/\gamma )||v_{s}||^2, see Eq (REF ), we obtain from Eq (REF ) the equation,\partial _t u_{ij}-v_{ij}\sim ||v_{s}||(-u_{ij})\sqrt{\eta _g/\gamma }\,,the rate-independent structure of which closely resemble...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 343, "openalex_id": "", "raw": "D. Kolymbas, Introduction to Hypoplasticity, (Balkema, Rotterdam, 2000).", "source_ref_id": "97f6cb1233d5fba4bffec17c041fd880d02e61d7", "start": 0 }, { "arxiv_id": "", ...
10.1007/s10035-009-0137-3
0807.1883
Granular Solid Hydrodynamics
[ "Yimin Jiang", "Mario Liu" ]
[ "cond-mat.soft" ]
2,008
en
Physics
[ 66596, 134381, 29398, 6635, 140885, 147, 52768, 384, 454, 177, 8353, 304, 4241, 17705, 192, 334, 13786, 3181, 64, 8152, 1957, 864, 11766, 919, 6, 642, 113054, 1295, 28, 5490, 15866, 18, 75, 5072, 9, 34, 16, 24854, 2347, 34515, 181063, ...
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5a668e36645fb5c15f869f5cea5007ce1da771da
subsection
21
47
The Granular Free Energy
As explained in the Introduction, the structure of the hydrodynamic theory is determined by general principles, especially energy and momentum conservation, but the explicit form of the energy w is not. Although w does possess features that it must always satisfy, most of its functional dependence reflects the specific...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 1343, "openalex_id": "", "raw": "R.M. Nedderman, Statics and Kinematics of Granular Materials (Cambridge University Press, Cambridge, 1992).", "source_ref_id": "a1ac6fe1035c4d8c3267497e9460c24453331934", "start": 1092 ...
10.1007/s10035-009-0137-3
0807.1883
Granular Solid Hydrodynamics
[ "Yimin Jiang", "Mario Liu" ]
[ "cond-mat.soft" ]
2,008
en
Physics
[ 189050, 44891, 45646, 111, 70, 64707, 242554, 154453, 83324, 390, 4537, 24702, 48302, 3095, 316, 17467, 1284, 143726, 3173, 148, 83, 959, 158566, 66139, 8110, 11343, 40407, 2684, 123309, 215131, 44961, 29458, 123166, 4912, 717, 54410, 125195, ...
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387d571b25772a9a47cbbf35da840e577ed02302
subsection
22
47
The Granular Free Energy
This neglects effects such as thermal expansion that, however, may be added when necessary.)Being cohesionless, the grains possess no interaction energy, f_0(T,\rho ) is therefore the sum of the free energy in each of the grains,f_0(T,\rho )=\langle F_1(T)/m\rangle \rho ,where F_1 is the free energy of a single grain, ...
{ "cite_spans": [] }
10.1007/s10035-009-0137-3
0807.1883
Granular Solid Hydrodynamics
[ "Yimin Jiang", "Mario Liu" ]
[ "cond-mat.soft" ]
2,008
en
Physics
[ 3293, 124789, 15390, 93425, 42, 2749, 14700, 66, 6889, 1543, 49814, 63559, 16, 6766, 214, 552, 1106, 9393, 70, 162048, 7, 158566, 110, 182809, 48302, 1238, 454, 2389, 618, 497, 83, 127298, 10554, 4092, 23, 12638, 420, 3066, 563, 115187, ...
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1468bc085e9fbed3de605cdffe96764ea9c95998
subsection
23
47
The Elastic Energy
The elastic part of the free energy, Eq (), has previously been successfully tested under varying circumstances, cf. the discussion in section , below Eq (). It is not analytic in the elastic strain, but does contain the lowest order terms. As it takes some deliberation to arrive at its density dependence and the terms...
{ "cite_spans": [] }
10.1007/s10035-009-0137-3
0807.1883
Granular Solid Hydrodynamics
[ "Yimin Jiang", "Mario Liu" ]
[ "cond-mat.soft" ]
2,008
en
Physics
[ 128766, 2831, 70, 4092, 48302, 241, 864, 198395, 65771, 3034, 285, 170420, 40059, 35064, 959, 140815, 177488, 70541, 459, 25617, 12989, 69407, 91755, 54410, 168, 7, 2481, 215131, 77546, 75, 13786, 16916, 6795, 14091, 35975, 11180, 19388, 7157...
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ad7925e0468dc75a369ab8250f9ab4e56a894e7b
subsection
24
47
Density Dependence of
We shall take {\cal B} as density dependent, but not \xi : Since the Coulomb yield line is approximately independent of the density, so must the coefficient \xi be, see Eq (REF ). Granular sound velocity was measured by Hardin and Richart , who found it linear in the void ratio, c\sim 2.17-e. Given Eq (), the velocity...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 294, "openalex_id": "", "raw": "B.O. Hardin and F.E. Richart, Elastic wave velocities in granular soils, J. Soil Mech. Found. Div. ASCE 89: SM1, pp 33-65(1963).", "source_ref_id": "09077849fed4c97706eb81afec1af5f7c1859e8a", ...
10.1007/s10035-009-0137-3
0807.1883
Granular Solid Hydrodynamics
[ "Yimin Jiang", "Mario Liu" ]
[ "cond-mat.soft" ]
2,008
en
Physics
[ 35299, 6827, 335, 168, 7, 2481, 108750, 1284, 959, 5134, 1311, 10391, 6492, 11180, 19388, 13315, 83, 189275, 41371, 8110, 552, 24500, 45964, 864, 919, 14091, 35975, 45730, 191060, 939, 72350, 390, 39391, 73, 136, 52774, 3960, 14037, 192617,...
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cd675daba870ca486bbbc5678d42372e2be6b742
subsection
25
47
Density Dependence of
Theplots are calculated with \rho _{\ell c}^*=0.445\rho _G, \rho _{pc}=0.645\rho _G (implying \rho _{\ell p}=0.555\rho _G), and {\cal B}_0=7000 Mpa, appropriatefor Ham River sand .]Alas, these points are more easily stated than combined in an energy expression, and no continuous \cal B seems feasible: If analytic, \cal...
{ "cite_spans": [] }
10.1007/s10035-009-0137-3
0807.1883
Granular Solid Hydrodynamics
[ "Yimin Jiang", "Mario Liu" ]
[ "cond-mat.soft" ]
2,008
en
Physics
[ 581, 105710, 7, 621, 74481, 3674, 678, 41872, 497, 6796, 501, 8152, 1639, 1369, 121254, 4633, 724, 4, 6, 24854, 57095, 191802, 116120, 915, 145407, 87357, 247, 6827, 335, 454, 111178, 9621, 11, 95307, 2472, 10699, 32547, 19096, 2512, 2684...
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3cf78c9b15395b1fb87e99056af2f7194e945d7d
subsection
26
47
Higher-Order Strain Terms
Next, we consider the unjamming transition in connection with compaction by pressure increase, the fact that denser sand can sustain more compression before getting unjammed, before elastic solutions become unstable: See the dotted line of Fig REF -(a), depicting a well-known empirical formula from soil mechanics , , ,...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 479, "openalex_id": "", "raw": "R.M. Nedderman, Statics and Kinematics of Granular Materials (Cambridge University Press, Cambridge, 1992).", "source_ref_id": "a1ac6fe1035c4d8c3267497e9460c24453331934", "start": 0 ...
10.1007/s10035-009-0137-3
0807.1883
Granular Solid Hydrodynamics
[ "Yimin Jiang", "Mario Liu" ]
[ "cond-mat.soft" ]
2,008
en
Physics
[ 4997, 16916, 51, 145, 58838, 149307, 94878, 94928, 1830, 81147, 51312, 168, 2189, 19096, 831, 205027, 1286, 375, 48448, 8108, 5095, 4806, 128766, 51347, 24209, 2234, 22819, 6872, 20633, 3674, 13315, 119895, 9069, 919, 11, 18695, 69723, 156002...
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ab4aab95896949904c453fabfec22f67fee901c8
subsection
27
47
Higher-Order Strain Terms
Given this lack of reliable data, we decided against the expansion, Eq (REF ), and opted for a flexible “cap function," \cal C of Eq (REF ), capable of accounting for any possible cap-like unjamming transitions,2{\cal C}=1+\tanh [(\Delta _0-\Delta )/\Delta _1], \quad \text{where}\quad \\ \Delta _0=k_1\rho -k_2u_s^2-k_3...
{ "cite_spans": [] }
10.1007/s10035-009-0137-3
0807.1883
Granular Solid Hydrodynamics
[ "Yimin Jiang", "Mario Liu" ]
[ "cond-mat.soft" ]
2,008
en
Physics
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9b4db5e8aed92ba049b4ca74c68c3e7e16a863f2
subsection
28
47
Higher-Order Strain Terms
As linear transformations do not alter the convexity property of any function, we may take the energy as w_7(\rho , \Delta , x_{1-5}) where x_1\equiv \sqrt{2 }u_{xy}, x_2\equiv \sqrt{2}u_{xz}, x_3\equiv \sqrt{2}u_{yz}, x_4\equiv (u_{xx}-u_{zz})/\sqrt{2}, x_5\equiv (u_{xx}-2u_{yy}+u_{zz})/\sqrt{6}. The characteristic po...
{ "cite_spans": [] }
10.1007/s10035-009-0137-3
0807.1883
Granular Solid Hydrodynamics
[ "Yimin Jiang", "Mario Liu" ]
[ "cond-mat.soft" ]
2,008
en
Physics
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9bbb50a28ac87066b8a4321b0636967014a1a029
subsection
29
47
Pressure Contribution From Agitated Grains
Agitated grains are known to exert a pressure in granular liquid. Using the model of ideal gas (better: non-interacting atoms with excluded volumes), with w_2\sim {\rho T_g} denoting the energy density of agitated grains, the pressure expression,P_T(\rho , T_g)\sim {w_2}/({1-\rho /\rho _{cp}}),was employed and found to...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 452, "openalex_id": "", "raw": "L. Bocquet, J. Errami, and T. C. Lubensky, Hydrodynamic Model for a Dynamical Jammed-to-Flowing Transition in Gravity Driven Granular Media, Phys. Rev. Lett., 89, 184301 (2002).", "source_ref_...
10.1007/s10035-009-0137-3
0807.1883
Granular Solid Hydrodynamics
[ "Yimin Jiang", "Mario Liu" ]
[ "cond-mat.soft" ]
2,008
en
Physics
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df553d37060190ab94921a27803e2c306bee3ba8
subsection
30
47
Pressure Contribution From Agitated Grains
For instance, the yield condition of Eq (REF ), with \xi =5/3, now reads\frac{\pi _s}{P_\Delta }= \frac{\pi _s}{P-P_T}\le \sqrt{\frac{6}{5}},implying a smaller maximal \pi _s for given P. On the other hand, the maximal value for the void ratio e is larger when P_T is present: Any given e has a maximal elastic compressi...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 1504, "openalex_id": "", "raw": "P.A. Johnson, X. Jia, Nonlinear dynamics, granular media and dynamic earthquake triggering Nature, 437/6, 871 (2005).", "source_ref_id": "adffca4dec81059527bc28e126d2036b2c1cf502", "sta...
10.1007/s10035-009-0137-3
0807.1883
Granular Solid Hydrodynamics
[ "Yimin Jiang", "Mario Liu" ]
[ "cond-mat.soft" ]
2,008
en
Physics
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d7cdaa41c70ad29a190c18b3a44dd37275c383bc
subsection
31
47
The Edwards Entropy
It is useful, with the free energy obtained in this chapter in mind, to revisit the starting points of Granular Statistical Mechanics (gsm), especially the Edwards entropy . Taking the entropy S(W,V) as a function of the energy W and volume V, or {\rm d}S=(1/T){\rm d}W+(P/T){\rm d}V, it argues that a mechanically stabl...
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10.1007/s10035-009-0137-3
0807.1883
Granular Solid Hydrodynamics
[ "Yimin Jiang", "Mario Liu" ]
[ "cond-mat.soft" ]
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b69c1f17d3eb154175b401876951ed855f1fc492
subsection
32
47
Derivation
We take the conserved energy w(s,s_g,\rho ,g_i,u_{ij}) of granular media to depend on entropy s, granular entropy s_g, density \rho , momentum density g_i, and the elastic strain u_{ij}. Defining the conjugate variables as T\equiv \partial w/\partial s, \bar{T}_g\equiv T_g-T\equiv \partial w/\partial s_g [see Eq (REF )...
{ "cite_spans": [] }
10.1007/s10035-009-0137-3
0807.1883
Granular Solid Hydrodynamics
[ "Yimin Jiang", "Mario Liu" ]
[ "cond-mat.soft" ]
2,008
en
Physics
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45c7065460c7f120249c5909adc690f53e15d69a
subsection
33
47
Derivation
Next, we introduce \sigma ^D_{ij}+\Sigma ^D_{ij}, as\sigma _{ij}\equiv (-\tilde{f}+\mu \rho ) \delta _{ij}-(\sigma ^D_{ij}+\Sigma ^D_{ij})\\ +\pi _{ij}-\pi _{ik}u_{jk}-\pi _{jk}u_{ik},where \tilde{f}\equiv w_0-Ts-\bar{T}_gs_g, as in Eq (REF ,REF ). This is simply a definition of \sigma ^D_{ij}+\Sigma ^D_{ij}, which tra...
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10.1007/s10035-009-0137-3
0807.1883
Granular Solid Hydrodynamics
[ "Yimin Jiang", "Mario Liu" ]
[ "cond-mat.soft" ]
2,008
en
Physics
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28efbb6fd3fea398120367b2064ed646ee3e7356
subsection
34
47
Derivation
We take the first line to yield the energy flux, Q_i, and the next two lines to vanish independently,Q_i&=&Tf_i+\bar{T}_gF_i+\mu \rho v_i +v_j\sigma _{ij}-y_j\pi _{ij}, \\ R&=&f_i^D\nabla _iT+\sigma _{ij}^Dv_{ij} +y_i\nabla _j\pi _{ij} +X_{ij}\pi _{ij}+\gamma \bar{T}_g^2,\\ R_g&=&\Sigma _{ij}^Dv_{ij} +F_i^D\nabla _i\ba...
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10.1007/s10035-009-0137-3
0807.1883
Granular Solid Hydrodynamics
[ "Yimin Jiang", "Mario Liu" ]
[ "cond-mat.soft" ]
2,008
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Physics
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3f6a2407ef4a76445955d3d9752adbceae4ad8e1
subsection
35
47
Derivation
Given f_i^D, F_i^D, \sigma _{ij}^D, \Sigma _{ij}^D, y_i, X_{ij}, the structure of all currents in the set of equation, Eqs (REF ,,,), are known. The question that remains is whether these expressions are unique. For simpler hydrodynamic theories, such as for isotropic liquid, nematic liquid crystal, or elastic solid, t...
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10.1007/s10035-009-0137-3
0807.1883
Granular Solid Hydrodynamics
[ "Yimin Jiang", "Mario Liu" ]
[ "cond-mat.soft" ]
2,008
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a2d778aa9e76bd4e4f59c47b93ba01ef84f0a931
subsection
36
47
Results
Collecting the terms derived above, in section REF , the equations of gsh, with \sigma _{ij} valid to lowest order in strain, are\partial _t \rho +\nabla _i(\rho v_i)=0,\qquad \qquad \quad \\{\rm d}_t u_{ij}=(1-\alpha )v_{ij}-{u _{ij}^0}/\tau -{u_{\ell \ell }\,\delta _{ij}}/{\tau _1}\qquad \\ -(u_{ik}\nabla _jv_k+ \na...
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10.1007/s10035-009-0137-3
0807.1883
Granular Solid Hydrodynamics
[ "Yimin Jiang", "Mario Liu" ]
[ "cond-mat.soft" ]
2,008
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Physics
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587f700fa52f0333024443e6b02d20663db85791
subsection
37
47
Results
This is not true for granular media, which typically possess more involved functional dependence – especially concerning the \bar{T}_g\rightarrow 0 limit, which does not have a counter part in other systems. This is one of the less recognized reasons, we believe, underlying the complexity of granular systems.In section...
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10.1007/s10035-009-0137-3
0807.1883
Granular Solid Hydrodynamics
[ "Yimin Jiang", "Mario Liu" ]
[ "cond-mat.soft" ]
2,008
en
Physics
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