id large_stringlengths 9 16 | title large_stringlengths 1 382 | abstract large_stringlengths 3 6.09k | publish_date date32 | update_date date32 | categories large listlengths 1 13 | authors large_stringlengths 3 62.8k |
|---|---|---|---|---|---|---|
cond-mat/9509166 | Moment of Inertia and Superfluidity of a Trapped Bose Gas | The temperature dependence of the moment of inertia of a dilute Bose gas
confined in a harmonic trap is determined. Deviations from the rigid value, due
to the occurrence of Bose-Einstein condensation, reveal the superfluid
behaviour of the system. In the noninteracting gas these deviations become
important at temperat... | 1995-09-27 | 2009-10-28 | [
"cond-mat"
] | S. Stringari |
cond-mat/9509164 | Oscillatory Thickness Dependence of Magnetic Moments and
interface-induced Changes of the Exchange Coupling in Co/Cu and Co-Ni/Cu
Multilayers | We perform first-principles calculations for the three multilayer systems
(100)-Co_1/Cu_n, -NiCo_2Ni/Cu_n and -Co_4/Cu_n, and find from a comparison x of
the results for system 2 and 3 that amplitude and phase of the exchange
coupling are sensitive to the magnetic-slab/nonmagnetic-spacer interface.
Moreover, we observe... | 1995-09-27 | 2009-10-28 | [
"cond-mat",
"mtrl-th"
] | S. Krompiewski, F. S\"uss, U. Krey |
cond-mat/9509156 | On chiral Hubbard model at strong interaction | One dimensional chiral Hubbard model reduces to the Haldane-Shastry spin
chain at half-filling with large but finite on-site energy $U$.In this talk, we
show that the Gutzwiller-Jastrow wavefunctions are the eigen-states of the
Hubbard model at $U=+\infty$ at less than half-filling. The full energy
spectrum and an infi... | 1995-09-26 | 2008-02-03 | [
"cond-mat"
] | D. F. Wang |
cond-mat/9509161 | Self-Organized Branching Processes: A Mean-Field Theory for Avalanches | We discuss mean-field theories for self-organized criticality and the
connection with the general theory of branching processes. We point out that
the nature of the self-organization is not addressed properly by the previously
proposed mean-field theories. We introduce a new mean-field model that
explicitly takes the b... | 1995-09-26 | 2009-10-28 | [
"cond-mat"
] | Stefano Zapperi, Kent Baekgaard Lauritsen, and H. Eugene Stanley |
cond-mat/9509159 | c-Axis Penetration Depth in the Cuprates: Additional Evidence for
Incoherent Hopping | Measurements of the $c$-axis penetration depth $\lambda_c$ in the cuprates
reveal a low-temperature $T$ dependence which is inconsistent with simple
models of coupling between the CuO$_2$ layers. In this paper, we examine
whether a model based on {\it incoherent} hopping between the layers can
account for this low-$T$ ... | 1995-09-26 | 2007-05-23 | [
"cond-mat"
] | R. J. Radtke and V. N. Kostur (University of Maryland) |
cond-mat/9509162 | Coulomb Blockade-Effects on Quantization of Charge and Persistent
Current in a Luttinger-Liquid Ring | We show that in a ring-shaped Luttinger Liquid (LL) in contact with an
electron reservoir --- the chemical potential in the ring being controlled by a
gate voltage $V_g$ --- both the average ring charge and the persistent current
in the ring are step-like functions of $V_g$ at low temperatures. The step
positions are d... | 1995-09-26 | 2016-08-15 | [
"cond-mat"
] | I. V. Krive, P. Sandstr\"om, R. I. Shekhter, and M. Jonson |
cond-mat/9509158 | Global Bethe lattice consideration of the spin-1 Ising model | The spin-1 Ising model with bilinear and biquadratic exchange interactions
and single-ion crystal field is solved on the Bethe lattice using exact
recursion equations. The general procedure of critical properties investigation
is discussed and full set of phase diagrams are constructed for both positive
and negative bi... | 1995-09-26 | 2009-10-28 | [
"cond-mat"
] | A.Z.Akheyan and N.S.Ananikian |
cond-mat/9509157 | Spectral Flow in Vortex Dynamics of 3He-B and Superconductors | Nondissipative force acting on a vortex in Fermi superfluids and
superconductors is calculated from the spectral flow of fermion zero modes in
the vortex core. The spectral flow effect casts a new light on the problem of
mutual friction in superfluids. We demonstrate that, for vortices in an
isotropic system, the react... | 1995-09-26 | 2010-12-17 | [
"cond-mat",
"hep-th"
] | N.B. Kopnin, G.E. Volovik, and \"U. Parts |
cond-mat/9509163 | Solitons and fractional statistics | Solitons in the continuum limit of the Calogero model are derived and shown
to correspond to one-particle excitations. The statistical mechanics of
exclusion statistics particles is then formulated in terms of a priori
probabilities and a path integral is thereoff constructed. (Talk delivered at
the Trieste April 1995 ... | 1995-09-26 | 2009-10-28 | [
"cond-mat",
"hep-th"
] | A.P. Polychronakos |
cond-mat/9509155 | A Model of Correlated Fermions with $d_{x^2-y^2}$ Superconductivity | Motivated by the phenomenology of the high-Tc cuprates, a two dimensional
fermionic model with attractive interactions is here discussed. The exact
solution to the two particle problem leads to a bound state in the $d_{x^2 -
y^2}$ subspace. Numerical techniques suggest that the model has $d_{x^2 - y^2}$
superconductivi... | 1995-09-25 | 2008-02-03 | [
"cond-mat"
] | Alexander Nazarenko, Adriana Moreo, Jose Riera, and Elbio Dagotto
(NHMFL/FSU) |
cond-mat/9509147 | Universal, finite temperature, crossover functions of the quantum
transition in the Ising chain in a transverse field | We consider finite temperature properties of the Ising chain in a transverse
field in the vicinity of its zero temperature, second order quantum phase
transition. New universal crossover functions for static and dynamic
correlators of the ``spin'' operator are obtained. The static results follow
from an early lattice c... | 1995-09-25 | 2009-10-28 | [
"cond-mat",
"hep-th"
] | Subir Sachdev (Yale University) |
cond-mat/9509151 | Annihilation of Charged Particles | The kinetics of irreversible annihilation of charged particles performing
overdamped motion induced by long-range interaction force, $F(r)\sim
r^{-\lambda}$, is investigated. The system exhibits rich kinetic behaviors
depending on the force exponent $\lambda$. In one dimension we find that the
densities decay as $t^{-1... | 1995-09-25 | 2009-10-28 | [
"cond-mat"
] | I.Ispolatov and P.Krapivsky |
cond-mat/9509153 | Adiabatic Dynamics of Superconducting Quantum Point Contacts | Starting from the quasiclassical equations for non-equilibrium Green's
functions we derive a simple kinetic equation that governs ac Josephson effect
in a superconducting quantum point contact at small bias voltages. In contrast
to existing approaches the kinetic equation is valid for voltages with
arbitrary time depen... | 1995-09-25 | 2009-10-28 | [
"cond-mat"
] | D. Averin, A.Bardas (SUNY at Stony Brook) |
cond-mat/9509173 | Direct test of composite fermion model in quantum Hall systems | We show that neutron scattering and Raman scattering experiments can
unambiguously determine a composite fermion parameter, viz., the effective
number of Landau Levels filled by the composite fermions. For this purpose, one
needs partially polarized or more preferably unpolarized quantum Hall states.
We further find th... | 1995-09-25 | 2009-10-28 | [
"cond-mat"
] | Sudhansu S. Mandal and V. Ravishankar |
cond-mat/9509152 | A New Iterative Perturbation Scheme for Lattice Models with Arbitrary
Filling | We derive a new perturbation scheme for treating the large d limit of lattice
models at arbitrary filling. The results are compared with exact
diagonalization data for the Hubbard model and found to be in good agreement. | 1995-09-25 | 2009-10-28 | [
"cond-mat"
] | Henrik Kajueter and Gabriel Kotliar |
cond-mat/9509148 | Diffusive and ballistic motion in superconducting hybrid structures | We examine transport properties of superconducting hybrid mesoscopic
structures, in both the diffusive and ballistic regimes. For diffusive
structures, analytic results from quasi-classical theory are compared with
predictions from numerical, multiple-scattering calculations performed on small
structures. For all struc... | 1995-09-25 | 2009-10-28 | [
"cond-mat"
] | N.R. Claughton, R. Raimondi, and C.J. Lambert |
cond-mat/9509146 | Critical Level Statistics in Two-dimensional Disordered Electron Systems | The level statistics in the two dimensional disordered electron systems in
magnetic fields (unitary ensemble) or in the presence of strong spin-orbit
scattering (symplectic ensemble) are investigated at the Anderson transition
points. The level spacing distribution functions $P(s)$'s are found to be
independent of the ... | 1995-09-25 | 2009-10-28 | [
"cond-mat"
] | Tomi Ohtsuki and Yoshiyuki Ono |
cond-mat/9509149 | Correlation functions for the 2D random bonds Potts Models | We study the spin-spin and energy-energy correlation functions for the 2D
Ising and 3-states Potts model with random bonds at the critical point. The
procedure employed is the renormalisation group approach of the perturbation
series around the conformal field theories representing the pure models. For
the Ising model,... | 1995-09-25 | 2007-05-23 | [
"cond-mat",
"hep-lat",
"hep-th"
] | Vladimir Dotsenko, Marco Picco and Pierre Pujol |
cond-mat/9509154 | Vortex State in a d-Wave Superconductor | We discuss the physics of the vortex state in a $d$-wave superconductor,
using the phenomenological Ginzburg-Landau theory, where many novel phenomena
arise from the small admixture of the $s$-wave component induced by spatial
variations in the dominant $d$-wave. Properties of an isolated vortex and of
the Abrikosov vo... | 1995-09-25 | 2009-10-28 | [
"cond-mat"
] | M. Franz, C. Kallin, P. I. Soininen, A. J. Berlinsky (McMaster), A. L.
Fetter (Stanford) |
cond-mat/9509150 | Low-temperature nonequilibrium transport in a Luttinger liquid | The temperature-dependent nonlinear conductance for transport of a Luttinger
liquid through a barrier is calculated in the nonperturbative regime for
$g=1/2-\epsilon$, where $g$ is the dimensionless interaction constant. To
describe the low-energy behavior, we perform a leading-log summation of all
diagrams contributin... | 1995-09-25 | 2009-10-28 | [
"cond-mat"
] | Ulrich Weiss, Reinhold Egger and Maura Sassetti |
cond-mat/9509145 | Renormalization-Group Approach to a Three-Legs Fermionic Ladder | We study the spin and charge phase diagram of a three-legs ladder (at zero
temperature) as a function of fermion density and of transverse single-particle
hopping by means of a Renormalization-Group analysis rigorously controlled in
the weak-coupling limit. Periodic boundary conditions in the direction
transverse to th... | 1995-09-24 | 2009-10-28 | [
"cond-mat"
] | Enrico Arrigoni |
cond-mat/9509140 | Rotationally symmetric ordered phase in the three-state
antiferromagnetic Potts model | We investigate the three-state antiferromagnetic Potts model on a simple
cubic lattice with a cluster flipping Monte Carlo simulation algorithm in the
temperature region below the transition into disorder at T_{c1}. We find both
the well established broken-sublattice-symmetry (BSS) phase at low temperature
and a new, r... | 1995-09-22 | 2009-10-28 | [
"cond-mat"
] | Ralf K. Heilmann, Jian-Sheng Wang, Robert H. Swendsen (Department of
Physics, Carnegie Mellon University, Pittsburgh, PA, USA and Computational
Science, National University of Singapore, Singapore, Republic of Singapore) |
cond-mat/9509143 | Quantum duality and Bethe-ansatz for the Hofstadter problem on hexagonal
lattice | The Hofstadter problem is studied on hexagonal lattice. We first establish a
relation between the spectra for the hexagonal lattice and for its dual he
triangular lattice. Following the idea of Faddeev and Kashaev, we then obtain
the Bethe-ansatz equations for this system. | 1995-09-22 | 2009-10-28 | [
"cond-mat"
] | C. A. Piguet, D. F. Wang and C. Gruber |
cond-mat/9509144 | 1D generalized statistics gas: A gauge theory approach | A field theory with generalized statistics in one space dimension is
introduced. The statistics enters the scene through the coupling of the matter
fields to a statistical gauge field, as it happens in the Chern-Simons theory
in two dimensions. We study the particle-hole excitations and show that the
long wave length p... | 1995-09-22 | 2009-10-28 | [
"cond-mat",
"hep-th",
"quant-ph"
] | Silvio J. Rabello |
cond-mat/9509142 | Aging classification in glassy dynamics | We study the out of equilibrium dynamics of several models exhibiting aging.
We attempt at identifying various types of aging systems using a phase space
point of view: we introduce a trial classification, based on the overlap
between two replicas of a system, which evolve together until a certain waiting
time, and are... | 1995-09-22 | 2009-10-28 | [
"cond-mat"
] | A. Barrat, R. Burioni and M. M\'ezard |
cond-mat/9509141 | Critical Dynamics of Magnets | We review our current understanding of the critical dynamics of magnets above
and below the transition temperature with focus on the effects due to the
dipole--dipole interaction present in all real magnets. Significant progress in
our understanding of real ferromagnets in the vicinity of the critical point
has been ma... | 1995-09-22 | 2015-06-25 | [
"cond-mat"
] | Erwin Frey and Franz Schwabl (TU Muenchen) |
cond-mat/9509134 | Quantum Electron Liquids and High-Tc Superconductivity | This entry has been removed since we are an archive and not an advertisement
space. | 1995-09-21 | 2015-06-25 | [
"cond-mat"
] | J.Gonzalez, M.A.Martin-Delgado, G.Sierra and M.A.H.Vozmediano |
cond-mat/9509136 | Analytic expression for Taylor-Couette stability boundary | We analyze the mechanism that determines the boundary of stability in
Taylor-Couette flow. By simple physical argument we derive an analytic
expression to approximate the stability line for all radius ratios and all
speed ratios, for co- and counterrotating cylinders. The expression includes
viscosity and so generalize... | 1995-09-21 | 2009-10-28 | [
"cond-mat"
] | A. Esser and S. Grossmann (University of Marburg) |
cond-mat/9509135 | DC and AC Josephson Effect in a Superconductor-Luttinger
Liquid-Superconductor System | We calculate both the DC and the AC Josephson current through a
one-dimensional system of interacting electrons, connected to two
superconductors by tunnel junctions. We treat the (repulsive) Coulomb
interaction in the framework of the one-channel, spin-$1/2$ Luttinger model.
The Josephson current is obtained for two g... | 1995-09-21 | 2009-10-28 | [
"cond-mat"
] | Rosario Fazio, F. W. J. Hekking, and A.A. Odintsov, 11 pages RevTex,9
figures (hard copy avaliable upon request) |
cond-mat/9509139 | Coulomb Blockade in a Quantum Dot Coupled Strongly to a Lead | We study theoretically a quantum dot in the quantum Hall regime that is
strongly coupled to a single lead via a point contact. We find that even when
the transmission through the point contact is perfect, important features of
the Coulomb blockade persist. In particular, the tunneling into the dot via a
second weakly c... | 1995-09-21 | 2009-10-28 | [
"cond-mat"
] | Hangmo Yi, C.L. Kane |
cond-mat/9509138 | Electronic Theory for the Transition from Fermi-Liquid to
Non-Fermi-Liquid Behavior in High-T$_{c}$ Superconductors | We analyze the breakdown of Fermi-liquid behavior within the 2D Hubbard model
as function of doping using our recently developed numerical method for the
self consistent summation of bubble and ladder diagrams. For larger doping
concentrations the system behaves like a conventional Fermi-liquid and for
intermediate dop... | 1995-09-21 | 2009-10-28 | [
"cond-mat"
] | M. Langer, J. Schmalian, S. Grabowski, and K.H. Bennemann |
cond-mat/9509137 | Spectroscopy of Local Density of States Fluctuations in a Disordered
Conductor (Experiment) | The local density of states of a degenerate semiconductor is investigated at
low magnetic fields. In order to realize this experiment, we designed a
strongly asymmetric double-barrier heterostructure with heavily doped contacts
and study the resonant tunneling transport through the lowest localized
(zero-dimensional) l... | 1995-09-21 | 2009-10-28 | [
"cond-mat"
] | T.Schmidt, R.J.Haug, V.I.Fal'ko, K.v.Klitzing (MPI-Stuttgart)
A.Foerster and H.Lueth (KFA Julich) |
cond-mat/9509133 | Hierarchical Wigner Crystal at the Edge of Quantum Hall Bar | We show that quasiholes persist near the edge of incompressible Quantum Hall
state forming a Wigner structure. The average density of quasiholes is fixed by
electrostatics and decreases slowly with increasing distance from the edge. As
we see from elementary reasoning, their specific arrangement can not be a
regular Wi... | 1995-09-21 | 2009-10-28 | [
"cond-mat"
] | Yuli V. Nazarov |
cond-mat/9509128 | Optical properties along the c axis of YBa_2Cu_3O_{6+x}, for x=0.50 ->
0.95: evolution of the pseudogap | The reflectance of high-quality, unpolished single crystals of
YBa_2Cu_3O_{6+x}, for the doping range x=0.50 -> 0.95, has been measured with
radiation polarized along the c axis from approx 50 cm^{-1} to 5000 cm^{-1}
between 10 K and 300 K. In highly doped (x=0.95) material, the normal-state
conductivity shows a metall... | 1995-09-20 | 2011-02-16 | [
"cond-mat",
"supr-con"
] | C.C. Homes, T. Timusk, D.A. Bonn, R. Liang and W.N. Hardy |
cond-mat/9509121 | Series expansions of the percolation probability for directed square and
honeycomb lattices | We have derived long series expansions of the percolation probability for
site and bond percolation on directed square and honeycomb lattices. For the
square bond problem we have extended the series from 41 terms to 54, for the
square site problem from 16 terms to 37, and for the honeycomb bond problem
from 13 terms to... | 1995-09-20 | 2009-10-28 | [
"cond-mat"
] | Iwan Jensen and Anthony J. Guttmann |
cond-mat/9509126 | Regularisation of functional determinants using boundary perturbations | The formalism which has been developed to give general expressions for the
determinants of differential operators is extended to the physically
interesting situation where these operators have a zero mode which has been
extracted. In the approach adopted here, this mode is removed by a novel
regularisation procedure, w... | 1995-09-20 | 2009-10-28 | [
"cond-mat",
"hep-th"
] | A J McKane and M B Tarlie |
cond-mat/9509132 | Collective Particle Flow through Random Media | A simple model for the nonlinear collective transport of interacting
particles in a random medium with strong disorder is introduced and analyzed. A
finite threshold for the driving force divides the behavior into two regimes
characterized by the presence or absence of a steady-state particle current.
Below this thresh... | 1995-09-20 | 2009-10-28 | [
"cond-mat",
"supr-con"
] | Joe Watson and Daniel S. Fisher (Physics Dept, Harvard Univ) |
cond-mat/9509122 | Self-organizing domain structure in a driven lattice gas | Instead of the homogeneous ordered particle distributions characteristic to
equilibrium systems a self-organizing polydomain structure is found to be
stable at low temperatures in a square lattice-gas model with repulsive nearest
neighbor interaction when the particle jumps are biased by a uniform electric
field. We ha... | 1995-09-20 | 2009-10-28 | [
"cond-mat"
] | Gyorgy Szabo, Attila Szolnoki, Tibor Antal, and Istvan Borsos |
cond-mat/9509129 | Borderline Aggregation Kinetics in ``Dry'' and ``Wet'' Environments | We investigate the kinetics of constant-kernel aggregation which is augmented
by either: (a) evaporation of monomers from finite-mass clusters, or (b)
continuous cluster growth -- \ie, condensation. The rate equations for these
two processes are analyzed using both exact and asymptotic methods. In
aggregation-evaporati... | 1995-09-20 | 2009-10-28 | [
"cond-mat"
] | Paul. L. Krapivsky (CIMS, NYU) and Sidney Redner (BU) |
cond-mat/9509125 | Ordered Phase and Field-Induced Domains in Short-Range Ising Spin Glass | Using a microscopic numerical approach suitable to describe disordered
antiferromagnets, with application to $Fe_{x}Zn_{1-x}F_{2}$, it is shown that
the characteristics of the spin glass phase found for $x=0.25$ is much in
agreement with the scenario predicted by the scaling theory of the droplet
model. | 1995-09-20 | 2019-08-15 | [
"cond-mat"
] | E.P. Raposo and M.D. Coutinho-Filho ( Universidade Federal de
Pernambuco, Recife, BRASIL ) |
cond-mat/9509124 | Distributions of absolute central moments for random walk surfaces | We study periodic Brownian paths, wrapped around the surface of a cylinder.
One characteristic of such a path is its width square, $w^2$, defined as its
variance. Though the average of $w^2$ over all possible paths is well known,
its full distribution function was investigated only recently. Generalising
$w^2$ to $w^{(... | 1995-09-20 | 2009-10-28 | [
"cond-mat"
] | A J McKane and R K P Zia |
cond-mat/9509131 | Shape Fluctuations of a Droplet Containing a Polymer | We consider the problem of an ideal polymer confined in a droplet. When the
droplet radius is smaller than the (unconfined) polymer radius of gyration, the
polymer entropy will depend on the droplet shape. We compute the resulting
surface free energy. Using parameters appropriate for polymers confined in
microemulsions... | 1995-09-20 | 2009-10-28 | [
"cond-mat"
] | M. Goulian, and S.T. Milner |
cond-mat/9509123 | Luttinger liquid behaviour and superconducting correlations in t-J
ladders | The low energy behaviour of the isotropic t--J ladder system is investigated
using exact diagonalization techniques, specifically finding the Drude weight,
the charge velocity and the compressibility. By applying the ideas of Luttinger
liquid theory, we determine the correlation exponent $K_\rho$ which defines the
beha... | 1995-09-20 | 2009-10-28 | [
"cond-mat"
] | C.A.Hayward and D.Poilblanc (Universite Paul Sabatier, Toulouse) |
cond-mat/9509130 | Tunneling edges at strong disorder | Scattering between edge states that bound one-dimensional domains of opposite
potential or flux is studied, in the presence of strong potential or flux
disorder. A mobility edge is found as a function of disorder and energy, and we
have characterized the extended phase. "paper_FINAL.tex" 439 lines, 20366
characters In ... | 1995-09-20 | 2009-10-28 | [
"cond-mat"
] | Jonathan Miller and A.G.Rojo |
cond-mat/9509127 | Theory of interstitial oxygen in silicon and germanium | The interstitial oxygen centers in silicon and germanium are reconsidered and
compared in an analysis based on the first-principles total-energy
determination of the potential-energy surface of the centers, and a calculation
of their respective low energy excitations and infrared absorption spectra. The
total-energy ca... | 1995-09-20 | 2007-05-23 | [
"cond-mat",
"mtrl-th"
] | Emilio Artacho and Felix Yndurain (U. Autonoma, Madrid) |
cond-mat/9509114 | Dynamical Jahn-Teller Effect and Berry Phase in Positively Charged
Fullerene I. Basic Considerations | We study the Jahn-Teller effect of positive fullerene ions $^2$C$_{60}^{+}$
and $^1$C$_{60}^{2+}$. The aim is to discover if this case, in analogy with the
negative ion, possesses a Berry phase or not, and what are the consequences on
dynamical Jahn-Teller quantization. Working in the linear and spherical
approximation... | 1995-09-19 | 2012-10-29 | [
"cond-mat",
"mtrl-th"
] | P. De Los Rios, N. Manini and E. Tosatti (SISSA - Trieste, Italy) |
cond-mat/9509120 | Resonant Photon-Assisted Tunneling Through a Double Quantum Dot: An
Electron Pump From Spatial Rabi Oscillations | The time average of the fully nonlinear current through a double quantum dot,
subject to an arbitrary combination of ac and dc voltages, is calculated
exactly using the Keldysh nonequilibrium Green function technique. When driven
on resonance, the system functions as an efficient electron pump due to Rabi
oscillation b... | 1995-09-19 | 2007-05-23 | [
"cond-mat"
] | Charles A. Stafford and Ned S. Wingreen |
cond-mat/9509110 | Crossover scaling functions and an extended minimal subtraction scheme | A field theoretic renormalization group method is presented which is capable
of dealing with crossover problems associated with a change in the upper
critical dimension. The method leads to flow functions for the parameters and
coupling constants of the model which depend on the set of parameters which
characterize the... | 1995-09-19 | 2015-06-25 | [
"cond-mat"
] | Erwin Frey (TU Muenchen) |
cond-mat/9509112 | The two-dimensional two-component plasma plus background on a sphere :
Exact results | An exact solution is given for a two-dimensional model of a Coulomb gas, more
general than the previously solved ones. The system is made of a uniformly
charged background, positive particles, and negative particles, on the surface
of a sphere. At the special value $\Gamma = 2$ of the reduced inverse
temperature, the c... | 1995-09-19 | 2009-10-28 | [
"cond-mat"
] | P. J. Forrester and B. Jancovici |
cond-mat/9509119 | An Alternative Route to D-wave Superconductivity: the Charge Channel | We demonstrate that a $d_{x^2-y^2}$ superconducting pairing is naturally
associated with the screened Coulomb interaction $V_{eff}({\bf q},\omega)$
within the $CuO_2$ plane of high $T_c$ superconductors. This pairing
instability arises (via the dielectric constant) from wave-vector structure in
$V_{eff}({\bf q},\omega ... | 1995-09-19 | 2007-05-23 | [
"cond-mat"
] | Dong-Zi Liu and K. Levin |
cond-mat/9509115 | Large-scale Simulation of the Two-dimensional Kinetic Ising Model | We present Monte Carlo simulation results for the dynamical critical exponent
$z$ of the two-dimensional kinetic Ising model using a lattice of size $10^6
\times 10^6$ spins. We used Glauber as well as Metropolis dynamics. The
$z$-value of $2.16\pm 0.005$ was calculated from the magnetization and energy
relaxation from... | 1995-09-19 | 2015-06-25 | [
"cond-mat"
] | A. Linke, D.W. Heermann, P. Altevogt, M. Siegert |
cond-mat/9509117 | Ground-State Instabilities in The One-dimensional Penson-Kolb-Hubbard
Model | Different kinds of instabilities (CDW, SDW, SS) in the 1D Hubbard model with
pair-hopping interaction are investigated using an approximate Bethe-Salpeter
equation. The study is performed at any density of electrons and for arbitrary
values of the model parameters. In the absence of the on-site interaction, no
transiti... | 1995-09-19 | 2009-10-28 | [
"cond-mat"
] | A. Belkasri, F.D. Buzatu, (T.C.U., Texas, USA and J.I.N.R., Dubna,
Russia) |
cond-mat/9509118 | NMR relaxation rates for the spin-1/2 Heisenberg chain | The spin-lattice relaxation rate $1/T_1$ and the spin echo decay rate
$1/T_{2G}$ for the spin-$1\over 2$ antiferromagnetic Heisenberg chain are
calculated using quantum Monte Carlo and maximum entropy analytic continuation.
The results are compared with recent analytical calculations by Sachdev. If the
nuclear hyperfin... | 1995-09-19 | 2009-10-28 | [
"cond-mat"
] | Anders W. Sandvik (National High Magnetic Field Laboratory, Florida
State University) |
cond-mat/9509111 | Two-dimensional one-component plasma in a quadrupolar field | The classical two-dimensional one-component plasma is an exactly solvable
model, at some special temperature, even when the one-body potential acting on
the particles has a quadrupolar term. As a supplement to a recent work of Di
Francesco, Gaudin, Itzykson, and Lesage [{\it Int. J. Mod. Phys.} {\bf A9},
4257 (1994)] a... | 1995-09-19 | 2015-06-25 | [
"cond-mat"
] | P.J.Forrester and B.Jancovici |
cond-mat/9509116 | The Aharonov-Bohm Effect in the Fractional Quantum Hall Regime | We have investigated experimentally resonant tunnelling through
single-particle states formed around an antidot by a magnetic field, in the
fractional quantum Hall regime. For 1/3 filling factor around the antidot,
Aharonov-Bohm oscillations are observed with the same magnetic field period as
in the integer quantum Hal... | 1995-09-19 | 2009-10-28 | [
"cond-mat"
] | J.D.F. Franklin, I. Zailer, C.J.B. Ford, P.J. Simpson, J.E.F. Frost,
D.A. Ritchie, M.Y. Simmons and M. Pepper (Cavendish Laboratory, University of
Cambridge, Cambridge, UK) |
cond-mat/9509113 | Universality in some classical Coulomb systems of restricted dimension | Coulomb systems in which the particles interact through the $d$-dimensional
Coulomb potential but are confined in a flat manifold of dimension $d - 1$ are
considered. The Coulomb potential is defined with some boundary condition
involving a characteristic macroscopic distance $W$ in the direction
perpendicular to the m... | 1995-09-19 | 2019-08-17 | [
"cond-mat"
] | P.J.Forrester, B.Jancovici, and G.Tellez |
cond-mat/9509105 | Random Magnetic Impurities and the Landau Problem | The 2-dimensional density of states of an electron is studied for a
Poissonian random distribution of point vortices carrying $\alpha$ flux in unit
of the quantum of flux. It is shown that, for any given density of impurities,
there is a transition, when $\alpha\simeq 0.3-0.4$, from an "almost free"
density of state -w... | 1995-09-18 | 2009-10-28 | [
"cond-mat"
] | Jean Desbois, Cyril Furtlehner and St\'ephane Ouvry (Division de
Physique Th\'eorique, IPN, Orsay, France) |
cond-mat/9509109 | Spontaneous symmetry breaking: exact results for a biased random walk
model of an exclusion process | It has been recently suggested that a totally asymmetric exclusion process
with two species on an open chain could exhibit spontaneous symmetry breaking
in some range of the parameters defining its dynamics. The symmetry breaking is
manifested by the existence of a phase in which the densities of the two
species are no... | 1995-09-18 | 2009-10-28 | [
"cond-mat"
] | C. Godreche, J. M. Luck, M. R. Evans, D. Mukamel, S. Sandow, and E. R.
Speer |
cond-mat/9509104 | Non-uniform deformations in liquid crystalline elastomers | We develop a molecular model of non-uniform deformations within the framework
of liquid crystal rubber elasticity. We show that, similarly to the uniform
case, the theory is not sensitive to the molecular details of polymer liquid
crystal involved and the resulting elastic free energy is quite universal. The
result of ... | 1995-09-18 | 2009-10-28 | [
"cond-mat",
"mtrl-th"
] | E.M. Terentjev, M. Warner and G.C. Verwey |
cond-mat/9509107 | Surface energy and stability of stress-driven discommensurate surface
structures | A method is presented to obtain {\it ab initio} upper and lower bounds to
surface energies of stress-driven discommensurate surface structures, possibly
non-periodic or exhibiting very large unit cells. The instability of the
stressed, commensurate parent of the discommensurate structure sets an upper
bound to its surf... | 1995-09-18 | 2009-10-28 | [
"cond-mat",
"mtrl-th"
] | Emilio Artacho (U. Autonoma, Madrid) and Joerg Zegenhagen
(Max-Planck-Inst. FKF, Stuttgart) |
cond-mat/9509103 | Generalized mean-field study of a driven lattice gas | Generalized mean-field analysis has been performed to study the ordering
process in a half-filled square lattice-gas model with repulsive nearest
neighbor interaction under the influence of a uniform electric field. We have
determined the configuration probabilities on 2-, 4-, 5-, and 6-point clusters
excluding the pos... | 1995-09-18 | 2009-10-28 | [
"cond-mat"
] | Gyorgy Szabo and Attila Szolnoki (Research Institute for Materials
Science, Budapest, Hungary) |
cond-mat/9509108 | A Variational Ground-State for the $\nu=2/3$ Fractional Quantum Hall
Regime | A variational $\nu=2/3$ state, which unifies the sharp edge picture of
MacDonald with the soft edge picture of Chang and of Beenakker is presented and
studied in detail. Using an exact relation between correlation functions of
this state and those of the Laughlin $\nu=1/3$ wavefunction, the correlation
functions of the... | 1995-09-18 | 2015-06-25 | [
"cond-mat"
] | Yigal Meir (Physics Department, Ben Gurion University, Beer Sheva,
ISRAEL and Physics Department, University of California, Santa Barbara, CA) |
cond-mat/9509106 | Charge Transfer Induced Persistent Current and Capacitance Oscillations | The transfer of charge between different regions of a phase-coherent
mesoscopic sample is investigated. Charge transfer from a side branch quantum
dot into a ring changes the persistent current through a sequence of plateaus
of diamagnetic and paramagnetic states. In contrast, a quantum dot embedded in
a ring exhibits ... | 1995-09-18 | 2007-05-23 | [
"cond-mat"
] | M. B\"uttiker and C. A. Stafford |
cond-mat/9509102 | Spectral Statistics: From Disordered to Chaotic Systems | The relation between disordered and chaotic systems is investigated. It is
obtained by identifying the diffusion operator of the disordered systems with
the Perron-Frobenius operator in the general case. This association enables us
to extend results obtained in the diffusive regime to general chaotic systems.
In partic... | 1995-09-17 | 2009-10-28 | [
"cond-mat",
"chao-dyn",
"nlin.CD"
] | Oded Agam, Boris L. Altshuler and Anton V. Andreev |
cond-mat/9509101 | Quasiparticle bands and superconductivity in bilayer cuprates | We analyze the generic features of the energy spectrum for two coupled
CuO$_2$ layers with a realistic extended Hubbard model. The quasiparticle bands
exhibit flat regions near X(Y) points in the Brillouin zone with a large
reduction of the bonding-antibonding splitting, and pinning of extended
van-Hove singularity to ... | 1995-09-16 | 2007-05-23 | [
"cond-mat"
] | A.I. Liechtenstein, O. Gunnarsson, O.K. Andersen, and R.M. Martin
(Max-Planck Institut f\"ur Festk\"orperforschung, Stuttgart) |
cond-mat/9509100 | Friedel oscillations for interacting fermions in one dimension | We study Friedel oscillations in one-dimensional electron liquid for
arbitrary electron-electron interaction and arbitrary impurity strength. For
Luttinger liquid leads, the Friedel oscillations decay as x^-g far away from
the impurity, where g is the interaction constant. For a weak scatterer, a
slower decay is found ... | 1995-09-16 | 2009-10-28 | [
"cond-mat"
] | Reinhold Egger, Hermann Grabert (University Freiburg, Germany) |
cond-mat/9509097 | Gor'kov and Eliashberg Linear Response Theory: Rigorous Derivation and
Limits of Applicability | A rigorous microscopic calculation of the polarizability of disordered
mesoscopic particles within the grand canonical ensemble is given in terms of
the supersymmetry method. The phenomenological result of Gor'kov and Eliashberg
is confirmed. Thus the underlying assumptions of their method are justified.
This encourage... | 1995-09-15 | 2009-10-28 | [
"cond-mat"
] | Ya.M.Blanter and A.D.Mirlin |
cond-mat/9509088 | Anaytical solution of non-resonant multiphoton Janes-Cumings model with
dissipation | A new master equation is derived for the Janes-Cummings model. | 1995-09-15 | 2008-02-03 | [
"cond-mat"
] | L. M. Kuang, Xin Chen, G. H. Chen and M. L. Ge |
cond-mat/9509096 | Self-Avoiding Polymerized Membranes | Recent progresses in the understanding of the scaling behavior of
self-avoiding flexible polymerized membranes (tethered manifolds) are reviewed.
They rely on a new general renormalization group approach for a class of models
with non-local singular interactions. This approach allows to prove the
existence of a epsilon... | 1995-09-15 | 2007-05-23 | [
"cond-mat"
] | Francois David |
cond-mat/9509093 | Transition temperature and a spatial dependence of the superconducting
gap for multilayer high-temperature superconductors | We derive the expressions for the transition temperature $(T_{c})$, and the
spatial dependence of the superconducting gap for a multilayer high-$T_{c}$
superconductor composed of groups of tightly spaced planes separated by a
larger distance. The results are compared with experiment and provide a strong
support for an ... | 1995-09-15 | 2009-10-28 | [
"cond-mat"
] | Krzysztof Byczuk and Jozef Spalek |
cond-mat/9509089 | Supercurrent and its quantum statistical properties in mesoscopic
Josephson junction in presence of non-classical light fields | In this paper, we study the supercurrent in a mesoscopic Josephson junction
(MJJ) and its quantum statistical properties in the presence of nonclassical
light fields. We investigate in detail the influence of external nonclassical
light fields on current-voltage step structures of the MJJ. We also study in
detail quant... | 1995-09-15 | 2007-05-23 | [
"cond-mat"
] | Ke-Man Kuang, Yiwen Wang and Mo-lin Ge |
cond-mat/9509090 | Introduction to Yangian in Physics | This is an introduction to the physical pictures of {\em Yangian} symmetry.
All the discussions are based on the RTT relations which have been known to be
related to the Hamiltonian formulations for quantum integrable systems. The
explicit calculations of {\em Yangian} associated with $gl(2)$ are given
through solving ... | 1995-09-15 | 2007-05-23 | [
"cond-mat"
] | Mo-lin Ge, Kang Xue and Yiwen Wang |
cond-mat/9509092 | Applications of Quantum Group to FQH Effect | We show that there exists quantum group symmetry $ sl_{q}(2) $ in the
fractional quantum Hall effect (FQHE) and this symmetry governs the degeneracy
of ground-state level. Under the periodic boundary condition, the degeneracy of
the ground state is related to the cyclic representation of SL_q(2). We also
discuss the in... | 1995-09-15 | 2007-05-23 | [
"cond-mat"
] | Guang-Hong Chen and Mo-lin Ge |
cond-mat/9509094 | An alternative approach to Jaynes-Cummings model with dissipation at
finite temperature | An alternative approach to the Jaynes-Cummings model (JCM) with dissipation
at a finite enviromental temperature is presented in terms of a new master
equation under Born-Markovian approximations. An analytic solution of the
dissipation JCM is obtained. A variety of physical quantities of interest are
calculated analyt... | 1995-09-15 | 2007-05-23 | [
"cond-mat"
] | Le-man Kuang, Guang-hong Chen, Mo-lin Ge and Xin Chen |
cond-mat/9509091 | Degeneracy of Landau Level and Quantum Group SL_q(2) | We show that there is a kind of quantum group symmetry $ sl_{q}(2) $ in the
usual Landau problem and it is this quantum group symmetry that governs the
degeneracy of Landau levels. We find that under the periodic boundary
condition, the degree of degeneracy of Landau levels is finite, and it just
equals the dimension o... | 1995-09-15 | 2015-06-25 | [
"cond-mat"
] | Guang-Hong Chen, Le-Man Kuang and Mo-lin Ge |
cond-mat/9509099 | Theory of Chiral Order in Random Copolymers | Recent experiments have found that polyisocyanates composed of a mixture of
opposite enantiomers follow a chiral ``majority rule:'' the chiral order of the
copolymer, measured by optical activity, is dominated by whichever enantiomer
is in the majority. We explain this majority rule theoretically by mapping the
random ... | 1995-09-15 | 2009-10-28 | [
"cond-mat",
"chem-ph"
] | J.V. Selinger (Naval Research Laboratory) and R.L.B. Selinger
(National Institute of Standards and Technology) |
cond-mat/9509098 | Studies of Diffusional Mixing in Rotating Drums via Computer Simulations | Particle diffusion in rotating drums is studied via computer simulations
using a full 3-D model which does not involve any arbitrary input parameters.
The diffusion coefficient for single-component systems agree qualitatively with
previous experimental results. On the other hand, the diffusion coefficient for
two-compo... | 1995-09-15 | 2009-10-28 | [
"cond-mat"
] | G.A. Kohring (Research Center Juelich (KFA) ) |
cond-mat/9509087 | Dynamical properties of the single--hole $t$--$J$ model on a 32--site
square lattice | We present results of an exact diagonalization calculation of the spectral
function $A(\bf k, \omega)$ for a single hole described by the $t$--$J$ model
propagating on a 32--site square cluster. The minimum energy state is found at
a crystal momentum ${\bf k} = ({\pi\over 2}, {\pi\over 2})$, consistent with
theory, and... | 1995-09-15 | 2009-10-28 | [
"cond-mat"
] | P. W. Leung and R. J. Gooding |
cond-mat/9509095 | Real-world options: smile and residual risk | We present a theory of option pricing and hedging, designed to address
non-perfect arbitrage, market friction and the presence of `fat' tails. An
implied volatility `smile' is predicted. We give precise estimates of the
residual risk associated with optimal (but imperfect) hedging. | 1995-09-15 | 2016-08-31 | [
"cond-mat"
] | Jean-Philippe Bouchaud, Giulia Iori and Didier Sornette |
cond-mat/9509080 | Long Range Interaction Models and Yangian Symmetry | The generalized Sutherland-Romer models and Yan models with internal spin
degrees are formulated in terms of the Polychronakos' approach and RTT relation
associated to the Yang-Baxter equation in consistent way. The Yangian symmetry
is shown to generate both models. We finally introduce the reflection algebra
K(u) to t... | 1995-09-14 | 2009-10-28 | [
"cond-mat"
] | Mo-lin Ge and Yiwen Wang |
cond-mat/9509084 | Zamolodchikov-Faddeev algebra in 2-component anyons | We investigate Wilczeck's mutual fractional statistical model at the field-
theoretical level. The effective Hamiltonian for the particles is derived by
the canonical procedure, whereas the commutators of the anyonic excitations are
proved to obey the Zamolodchikov-Faddeev algebra. Cases leading to well known
statistic... | 1995-09-14 | 2009-10-28 | [
"cond-mat"
] | Yue-lin Shen and Mo-lin Ge |
cond-mat/9509082 | Localization condition for two-level systems | The dynamics of two-level systems in an external periodic field are
investigated in general. The necessary conditions of localization are obtained
through analysing the time-evolving matrix. It is found that localization is
possible if not only is the dynamics of the system periodic, but also its
period is the same as ... | 1995-09-14 | 2007-05-23 | [
"cond-mat"
] | Hu Cheng, Mo-lin Ge and Jiushu Shao |
cond-mat/9509086 | Superconducting Order Parameter Symmetry in Multi-layer Cuprates | We discuss the allowed order parameter symmetries in multi-layer cuprates and
their physical consequences using highly non-specific forms of the inter- and
intra-plane interactions. Within this framework, the bi-layer case is discussed
in detail with particular attention paid to the role of small orthorhombic
distortio... | 1995-09-14 | 2009-10-28 | [
"cond-mat",
"supr-con"
] | J. Maly, D. Z. Liu, and K. Levin |
cond-mat/9509085 | Statistical Transmutation and Phases of Two-Dimensional Quantum Matter | After surveying the quantum kinematics and dynamics of statistical
transmutation, I show how this concept suggests a phase diagram for the
two-dimensional matter in a magnetic field, as a function of quantum
statistics. I discuss the fundamental properties of quasiparticles in the
different phases, and briefly suggest ... | 1995-09-14 | 2007-05-23 | [
"cond-mat",
"hep-th"
] | Frank Wilczek |
cond-mat/9509081 | Yangian, Truncated Yangian and Quantum Integrable Systems | Based on the RTT relation for a given rational $R$-matrix the {\em Yangian}
and truncated {\em Yangian} are discussed. The former can be used to generate
the long-range interaction models, whereas the latter can be related to the
Goryachev-Chaplygin(GC) gyrostat. The trigonometric extension of the
Goryachev-Chaplygin g... | 1995-09-14 | 2007-05-23 | [
"cond-mat"
] | Mo-lin Ge, Y. W. Wang and K. Xue |
cond-mat/9509079 | Anisotropic Ordering in a Two-Temperature Lattice Gas | We consider a two-dimensional lattice gas model with repulsive nearest- and
next-nearest-neighbor interactions that evolves in time according to
anisotropic Kawasaki dynamics. The hopping of particles along the principal
directions is governed by heat baths at different temperatures. The stationary
states of this non-e... | 1995-09-14 | 2007-05-23 | [
"cond-mat"
] | Attila Szolnoki, Gyorgy Szabo |
cond-mat/9509083 | Quasi-calssical approach to two-level systems with dissipation | The quantum dynamics of two-level systems under classical oscillator heat
bath is mapped to the classical one of a charged particle under harmonic
oscillator potential plus a magnetic field in a plane. The behavior of
eigenstates and tunneling and localization are studied in detail. The broken
symmetry condition and La... | 1995-09-14 | 2008-02-03 | [
"cond-mat"
] | Mo-lin Ge and Lei Wang |
cond-mat/9509076 | Numerical Study of a Mixed Ising Ferrimagnetic System | We present a study of a classical ferrimagnetic model on a square lattice in
which the two interpenetrating square sublattices have spins one-half and one.
This model is relevant for understanding bimetallic molecular ferrimagnets that
are currently being synthesized by several experimental groups. We perform
exact gro... | 1995-09-13 | 2009-10-28 | [
"cond-mat"
] | G. M. Buendia and M. A. Novotny |
cond-mat/9509075 | Particle hopping models and traffic flow theory | This paper shows how particle hopping models fit into the context of traffic
flow theory. Connections between fluid-dynamical traffic flow models, which
derive from the Navier-Stokes-equations, and particle hopping models are shown.
In some cases, these connections are exact and have long been established, but
have nev... | 1995-09-13 | 2009-10-28 | [
"cond-mat",
"adap-org",
"nlin.AO"
] | Kai Nagel (Los Alamos National Laboratory) |
cond-mat/9509074 | Comment on semi-classical approaches to giant magnetoresistance in
magnetic multilayers | Some conceptual issues in the semi-classical approaches to giant
magnetoresistance in magnetic multilayers are discussed. | 1995-09-13 | 2007-05-23 | [
"cond-mat"
] | Yu Shi (Fudan Univ., China) |
cond-mat/9509078 | Dynamical simulation of transport in one-dimensional quantum wires | Transport of single-channel spinless interacting fermions (Luttinger liquid)
through a barrier has been studied by numerically exact quantum Monte Carlo
methods. A novel stochastic integration over the real-time paths allows for
direct computation of nonequilibrium conductance and noise properties. We have
examined the... | 1995-09-13 | 2009-10-28 | [
"cond-mat",
"chem-ph"
] | Kevin Leung, Reinhold Egger, and C.H. Mak (Los Angeles, California;
Fakultat fur Physik; Universitat Freiburg, Germany) |
cond-mat/9509077 | Spin-wave excitation spectra and spectral weights in square lattice
antiferromagnets | Using a recently developed method for calculating series expansions of the
excitation spectra of quantum lattice models, we obtain the spin-wave spectra
for square lattice, $S=1/2$ Heisenberg-Ising antiferromagnets. The calculated
spin-wave spectrum for the Heisenberg model is close to but noticeably
different from a u... | 1995-09-13 | 2009-10-28 | [
"cond-mat"
] | Rajiv R. P. Singh (UC Davis) and Martin P. Gelfand (Colorado State) |
cond-mat/9509066 | Superconductivity in a spin liquid - a one dimensional example | We study a one-dimensional model of interacting conduction electrons with a
two-fold degenerate band away from half filling. The interaction includes an
on-site Coulomb repulsion and Hund's rule coupling. We show that such
one-dimensional system has a divergent Cooper pair susceptibility at T = 0,
provided the Coulomb ... | 1995-09-12 | 2009-10-28 | [
"cond-mat"
] | D. G. Shelton and A. M. Tsvelik |
cond-mat/9509072 | Surface superconductivity and $H_{c3}$ in UPt$_3$ | Surface superconductivity is studied within Ginzburg-Landau theory for two
classes of models for the order parameter of UPt$_{3}$. The first class assumes
two independent one-dimensional order parameters ($AB$ models), while the
second assumes a single two-dimensional order parameter ($E$ models). $H_{c3}$
is calculate... | 1995-09-12 | 2009-10-28 | [
"cond-mat",
"supr-con"
] | Ding Chuan Chen and Anupam Garg |
cond-mat/9509070 | Individual Entanglements in a Simulated Polymer Melt | We examine entanglements using monomer contacts between pairs of chains in a
Brownian-dynamics simulation of a polymer melt. A map of contact positions with
respect to the contacting monomer numbers (i,j) shows clustering in small
regions of (i,j) which persists in time, as expected for entanglements. Using
the ``space... | 1995-09-12 | 2009-10-28 | [
"cond-mat",
"chem-ph"
] | E. Ben-Naim, G.S. Grest, T.A. Witten, A.R.C. Baljon |
cond-mat/9509062 | Quantum Group, Bethe Ansatz and Bloch Electrons in a Magnetic Field | The wave functions for two dimensional Bloch electrons in a uniform magnetic
field at the mid-band points are studied with the help of the algebraic
structure of the quantum group $U_q(sl_2)$. A linear combination of its
generators gives the Hamiltonian. We obtain analytical and numerical solutions
for the wave functio... | 1995-09-12 | 2009-10-28 | [
"cond-mat"
] | Y. Hatsugai(Applied Physics, U-Tokyo), M. Kohmoto(ISSP, U-Tokyo), and
Y.-S. Wu (Physics, U-Tokyo) |
cond-mat/9509071 | Fluctuation-Induced Interactions between Rods on Membranes and
Interfaces | We consider the interaction between two rods embedded in a fluctuating
surface which is governed by either surface tension or rigidity. The
modification of fluctuations by the rods leads to an attractive long-range
interaction that falls off as $1/R^4$ with their separation. The orientational
dependence of the resultin... | 1995-09-12 | 2016-08-31 | [
"cond-mat"
] | R. Golestanian, M. Goulian, and M. Kardar |
cond-mat/9509060 | Dirty Hubbard rings: renormalization group and exact diagonalization
studies | We studied mesoscopic Hubbard rings with impurities using the renormalization
group (RG) technique and the exact diagonalizations. The exact diagonalization
calculations showed that the charge stiffness normalized by the value of clean
system has a peak as a function of electron-electron interactions. Previous RG
analy... | 1995-09-12 | 2007-05-23 | [
"cond-mat"
] | Hiroyuki Mori and Minoru Hamada |
cond-mat/9509061 | Some aspects of the critical behavior of the Two-Neighbor Stochastic
Cellular Automata | Using Pade approximations and Monte Carlo simulations, we study the phase
diagram of the Two-Neighbor Stochastic Cellular Automata, which have two
parameters $p_{1}$ and $p_{2}$ and include the mixed site-bond directed
percolation (DP) as a special case. The phase transition line $p_{1}=p_{1 {\rm
c}}(p_{2})$ has endpoi... | 1995-09-12 | 2007-05-23 | [
"cond-mat"
] | A.Yu. Tretyakov, N. Inui, M. Katori and H. Tsukahara |
cond-mat/9509067 | Random walk on Bethe lattice and hyperbolic geometry | We give the exact solution to the problem of a random walk on the Bethe
lattice through a mapping on an asymmetric random walk on the half-line. We
also study the continuous limit of this model, and discuss in detail the
relation between the random walk on the Bethe lattice and Brownian motion on a
space of constant ne... | 1995-09-12 | 2009-10-28 | [
"cond-mat"
] | Cecile Monthus (SPhT, CE Saclay France) and Chistophe Texier (DPT IPN
Orsay, France) |
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