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/9312042 | Dynamic Fractional Stark Ladders in DC--AC Fields | A single band in a spatially periodic system splits into a series of
quasienergy subbands under the action of DC--AC electric fields. These dynamic
fractional Stark ladders should be observable in an investigation of optical
absorption. | 1993-12-09 | 2008-02-03 | [
"cond-mat"
] | X. -G. Zhao, R. Jahnke, and Q. Niu |
cond-mat/9312043 | Temperature Dependence of the Upper Critical Field in High-Temperature
Superconductors: Localization Effects | It is shown that the anomalous temperature dependence of the orbital part of
the upper critical field $H_{c2}$ observed for epitaxially grown films of
high-temperature superconductor $Bi-Sr-Cu-O$ (in wide temperature interval) can
be satisfactorily explained by the influence of localization effects in
two-dimensional (... | 1993-12-09 | 2007-05-23 | [
"cond-mat"
] | E.Z.Kuchinskii, M.V.Sadovskii |
cond-mat/9312034 | On the Coexistence of Diagonal and off-Diagonal Long-Range Order, a
Monte Carlo Study | The zero temperature properties of interacting 2 dimensional lattice bosons
are investigated. We present Monte Carlo data for soft-core bosons that
demonstrate the existence of a phase in which crystalline long-range order and
off-diagonal long-range order (superfluidity) coexist. We comment on the
difference between h... | 1993-12-08 | 2009-10-22 | [
"cond-mat"
] | Anne van Otterlo and Karl-Heinz Wagenblast |
cond-mat/9312035 | A Singular Perturbation Analysis for \\Unstable Systems with Convective
Nonlinearity | We use a singular perturbation method to study the interface dynamics of a
non-conserved order parameter (NCOP) system, of the reaction-diffusion type,
for the case where an external bias field or convection is present. We find
that this method, developed by Kawasaki, Yalabik and Gunton for the
time-dependant Ginzburg-... | 1993-12-08 | 2009-10-22 | [
"cond-mat"
] | Oliver Sch\"onborn, Sanjay Puri and Rashmi C. Desai |
cond-mat/9312036 | Ising Spin Glass in a Transverse Magnetic Field | We study the three-dimensional quantum Ising spin glass in a transverse
magnetic field following the evolution of the bond probability distribution
under Renormalisation Group transformations. The phase diagram (critical
temperature $T_c$ {\em vs} transverse field $\Gamma$) we obtain shows a finite
slope near $T=0$, in... | 1993-12-08 | 2009-10-22 | [
"cond-mat"
] | Beatriz Boechat, Raimundo R. dos Santos, and M. A. Continentino |
cond-mat/9312029 | Grundstate Properties of the 3D Ising Spin Glass | We study zero--temperature properties of the 3d Edwards--Anderson Ising spin
glass on finite lattices up to size $12^3$. Using multicanonical sampling we
generate large numbers of groundstate configurations in thermal equilibrium.
Finite size scaling with a zero--temperature scaling exponent $y = 0.74 \pm
0.12$ describ... | 1993-12-07 | 2009-10-22 | [
"cond-mat"
] | Bernd A. Berg, Ulrich H.E. Hansmann and Tarik Celik |
cond-mat/9312032 | Continuously Varying Exponents for Oriented Self-Avoiding Walks | A two-dimensional conformal field theory with a conserved $U(1)$ current
$\vec J$, when perturbed by the operator ${\vec J}^{\,2}$, exhibits a line of
fixed points along which the scaling dimensions of the operators with non-zero
$U(1)$ charge vary continuously. This result is applied to the problem of
oriented polymer... | 1993-12-07 | 2009-10-22 | [
"cond-mat",
"hep-th"
] | John Cardy |
cond-mat/9312033 | Resonance Lineshapes in Quasi-One-Dimensional Scattering | An S matrix approach is developed to describe elastic scattering resonances
of systems where the scattered particle is asymptotically confined and the
scattering potential lacks continuous symmetry. Examples are conductance
resonances in microstructures or transmission resonances in waveguide
junctions. The generic res... | 1993-12-07 | 2009-10-22 | [
"cond-mat"
] | J.U.Noeckel and A.D.Stone |
cond-mat/9312030 | Quenched and Negative Hall Effect in Periodic Media: Application to
Antidot Superlattices | We find the counterintuitive result that electrons move in OPPOSITE direction
to the free electron E x B - drift when subject to a two-dimensional periodic
potential. We show that this phenomenon arises from chaotic channeling
trajectories and by a subtle mechanism leads to a NEGATIVE value of the Hall
resistivity for ... | 1993-12-07 | 2009-10-22 | [
"cond-mat",
"chao-dyn",
"nlin.CD"
] | R. Fleischmann, T. Geisel, and R. Ketzmerick |
cond-mat/9312026 | Spin-ladders with spin gaps: A description of a class of cuprates | We investigate the magnetic properties of the Cu-O planes in stoichiometric
Sr$_{n-1}$Cu$_{n+1}$O$_{2n}$ (n=3,5,7,...) which consist of CuO double chains
periodically intergrown within the CuO$_2$ planes. The double chains break up
the two-dimensional antiferromagnetic planes into Heisenberg spin ladders with
$n_r=\fra... | 1993-12-06 | 2009-10-22 | [
"cond-mat"
] | Sudha Gopalan, T. M. Rice and M. Sigrist |
cond-mat/9312023 | Weak Disorder Expansion for the Anderson Model on a Tree | We show how certain properties of the Anderson model on a tree are related to
the solutions of a non-linear integral equation. Whether the wave function is
extended or localized, for example, corresponds to whether or not the equation
has a complex solution. We show how the equation can be solved in a weak
disorder exp... | 1993-12-06 | 2009-10-22 | [
"cond-mat"
] | J. Miller and B. Derrida |
cond-mat/9312028 | Generalized Scaling for Models with Multiple Absorbing States | At a continuous transition into a nonunique absorbing state, particle systems
may exhibit nonuniversal critical behavior, in apparent violation of
hyperscaling. We propose a generalized scaling theory for dynamic critical
behavior at a transition into an absorbing state, which is capable of
describing exponents which v... | 1993-12-06 | 2009-10-22 | [
"cond-mat",
"hep-lat"
] | J.F.F. Mendes, Ronald Dickman, Malte Henkel and M. Ceu Marques |
cond-mat/9312022 | Self-Similarity of Friction Laws | The change of the friction law from a mesoscopic level to a macroscopic level
is studied in the spring-block models introduced by Burridge-Knopoff. We find
that the Coulomb law is always scale invariant. Other proposed scaling laws are
only invariant under certain conditions.} | 1993-12-06 | 2007-05-23 | [
"cond-mat"
] | Maria de Sousa Vieira and Hans J. Herrmann |
cond-mat/9312024 | Critical Exponents for the Metal--Insulator Transition in Disordered
Systems | Non-standard .sty file `equations.sty' now included inline. The critical
exponents of the metal--insulator transition in disordered systems have been
the subject of much published work containing often contradictory results.
Values ranging between $\half$ and $2$ can be found even in the recent
literature. In this pape... | 1993-12-06 | 2009-10-22 | [
"cond-mat"
] | Angus MacKinnon |
cond-mat/9312027 | Driven Diffusion in the Two-Dimensional Lattice Coulomb Gas; A Model for
Flux Flow in Superconducting Networks | We carry out driven diffusion Monte Carlo simulations of the two dimensional
classical lattice Coulomb gas in an applied uniform electric field, as a model
for vortex motion due to an applied d.c. current, in a periodic superconducting
network. A finite-size version of dynamic scaling is used to extract the
dynamic cri... | 1993-12-06 | 2009-10-22 | [
"cond-mat"
] | Jong-Rim Lee and S. Teitel |
cond-mat/9312025 | Fermi-surface properties of the perovskite superconductors Claudius Gros | We calculate Fermi-surface properties of the Cuprate superconductors within
the three-band Hubbard model using a cluster expansion for the proper
self-energy. The Fermi-surface topology is in agreement with angular-resolved
photoemission data for dopings $\sim 20\%$. We discuss possible violations of
the Luttinger sum-... | 1993-12-06 | 2008-02-03 | [
"cond-mat"
] | Roser Valenti |
cond-mat/9312019 | Spectrum and Thermodynamics of the one-dimensional supersymmetric t-J
model with $1/r^2$ exchange and hopping | We derive the spectrum and the thermodynamics of the one-dimensional
supersymmetric t-J model with long range hopping and spin exchange using a set
of maximal-spin eigenstates. This spectrum confirms the recent conjecture that
the asymptotic Bethe-ansatz spectrum is exact. By empirical determining the
spinon degeneraci... | 1993-12-05 | 2015-06-25 | [
"cond-mat",
"hep-th"
] | D. F. Wang, James T. Liu and P. Coleman |
cond-mat/9312020 | Replica Real Space Renormalization Group for Spin Glasses | We construct a real space renormalization group (RG) approach for Ising spin
glasses on hypercubic lattices within the scheme of the Migdal-Kadanoff
approximation using replicas. Our replica symmetric solution yields results
consistent with simple decimation previously obtained and the introduction of
breaking of repli... | 1993-12-05 | 2007-05-23 | [
"cond-mat"
] | J.R.L. de Almeida and S. Coutinho |
cond-mat/9312021 | Correlation Induced Insulator to Metal Transitions | We study a spinless two-band model at half-filling in the limit of infinite
dimensions. The ground state of this model in the non-interacting limit is a
band-insulator. We identify transitions to a metal and to a charge-Mott
insulator, using a combination of analytical, Quantum Monte Carlo, and zero
temperature recursi... | 1993-12-05 | 2009-10-22 | [
"cond-mat"
] | Qimiao Si, M. J. Rozenberg, G. Kotliar, and A. E. Ruckenstein |
cond-mat/9312018 | Quantum Phase Transitions and Conserved Charges | The constraints on the scaling properties of conserved charge densities in
the vicinity of a zero temperature ($T$), second-order quantum phase transition
are studied. We introduce a generalized Wilson ratio, characterizing the
non-linear response to an external field, $H$, coupling to any conserved
charge, and argue t... | 1993-12-04 | 2009-10-22 | [
"cond-mat"
] | Subir Sachdev |
cond-mat/9312016 | On the Emery-Kivelson Solution of the two channel Kondo problem | We consider the two channel Kondo model in the Emery-Kivelson approach, and
calculate the total susceptibility enhancement due to the impurity
$\chi_{imp}=\chi-\chi_{bulk}$. We find that $\chi_{imp}$ exactly vanishes at
the solvable point, in a completely analogous way to the singular part of the
specific heat $C_{imp}... | 1993-12-03 | 2009-10-22 | [
"cond-mat"
] | Anirvan M. Sengupta and Antoine Georges |
cond-mat/9312017 | The Energy-Energy Correlation Function of the Random Bond Ising Model in
Two Dimensions | The energy-energy correlation function of the two-dimensional Ising model
with weakly fluctuating random bonds is evaluated in the large scale limit. Two
correlation lengths exist in contrast to one correlation length in the pure 2D
Ising model: one is finite whereas the other is divergent at the critical
points. The c... | 1993-12-03 | 2007-05-23 | [
"cond-mat"
] | K. Ziegler |
cond-mat/9312014 | Structural Phase Trasformations via Ab-Initio Molecular Dynamics | Available simulation methods, suitable to describe solid-solid phase
transitions occurring upon increasing of presssure and/or temperature, are
based on empirical interatomic potentials: this restriction reduces the
predictive power, and thus the general usefulness of numeric simulations in
this very relevant field. We... | 1993-12-03 | 2016-08-31 | [
"cond-mat"
] | P. Focher, G.L. Chiarotti, M. Bernasconi, E. Tosatti, and M.
Parrinello |
cond-mat/9312015 | Dynamic Domains Above the Ferromagnetic Resonance Instability | A simplified model is introduced and analysed to show, that for the
Landau-Lifshitz equation stable, steady state solutions of domain type exist in
ferromagnetic systems, strongly driven by external transverse fields. These
dynamic domain states are able to describe the drastic reduction of the power
absorption found e... | 1993-12-03 | 2007-05-23 | [
"cond-mat"
] | T. Plefka |
cond-mat/9312007 | Calculating excitation energies with the help of cumulants | Recently, it has been shown that the ground-state energy of a quantum
many-body system can be written in terms of cumulants. In this paper we show
that the energies of excited states can be expressed similarly. These
representations are suitable for various approximation schemes, e.g.,
projection techniques. The explic... | 1993-12-02 | 2007-05-23 | [
"cond-mat"
] | T. Schork and P. Fulde |
cond-mat/9312010 | Effective Field Theory of Electron Motion in the Presence of Random
Magnetic Flux | We construct a nonlinear $\sigma$ model to describe a system of
non-interacting electrons propagating in the presence of random magnetic flux.
We find a term describing the long ranged logarithmic interaction between the
topological density of the non-linear sigma model, and argue that this could
give rise to a Kosterl... | 1993-12-02 | 2009-10-22 | [
"cond-mat"
] | Shoucheng Zhang and Daniel Arovas |
cond-mat/9312012 | Quasi-state decompositions for quantum spin systems | I discuss the concept of quasi-state decompositions for ground states and
equilibrium states of quantum spin systems. Some recent results on the ground
states of a class of one-dimensional quantum spin models are summarized and new
work in progress is presented. I also outline some challenging open problems
and conject... | 1993-12-02 | 2008-02-03 | [
"cond-mat"
] | Bruno Nachtergaele |
cond-mat/9312008 | Theory of the Eigler-swith | We suggest a simple model to describe the reversible field-induced transfer
of a single Xe-atom in a scanning tunneling microscope, --- the Eigler-switch.
The inelasticly tunneling electrons give rise to fluctuating forces on and
damping of the Xe-atom resulting in an effective current dependent temperature.
The rate o... | 1993-12-02 | 2016-08-14 | [
"cond-mat"
] | Mads Brandbyge and Per Hedeg{\aa}rd |
cond-mat/9312013 | Orthogonality catastrophe in a mesoscopic conductor due to a
time-dependent flux | We consider quantum fluctuations of current in a metallic loop induced by
varying magnetic flux. The dependence of the fluctuations on the flux change
$\Phi$ contains a logarithmically divergent term periodic in $\Phi$ with the
period $\Phi_0=hc/e$. The fluctuation is smallest near $\Phi=n\Phi_0$. The
divergence is exp... | 1993-12-02 | 2007-05-23 | [
"cond-mat"
] | H. W. Lee and L. S. Levitov |
cond-mat/9312009 | Density waves of granular flow in a pipe using lattice gas automata | Density waves of granular flow in a pipe using lattice gas automata Gongwen
Peng and Hans J. Herrmann HLRZ, KFA J\"ulich, D--52425 J\"ulich, Germany We use
a lattice gas automaton modelling the formation of density waves of granular
flow through a vertical pipe. It is found that both the dissipation and the
roughness o... | 1993-12-02 | 2009-10-22 | [
"cond-mat"
] | Gongwen Peng and Hans J Herrmann |
cond-mat/9312011 | Extended electronic states in disordered 1-d lattices: an example | We discuss a very simple model of a 1-d disordered lattice, in which {\em
all} the electronic eigenstates are extended. The nature of these states is
examined from several viewpoints, and it is found that the eigenfunctions are
not Bloch functions although they extend throughout the chain. Some typical
wavefunctions ar... | 1993-12-02 | 2009-10-22 | [
"cond-mat"
] | S. Sil, S. N. Karmakar and R. K. Moitra |
cond-mat/9312002 | Exact Diag. Study of the 1D Disordered XXZ Model | We investigate the one-dimensional quantum $XXZ$ model in the presence of
diagonal disorder. Recently the model has been analyzed with the help of
field-theoretical renormalization group methods, and a phase diagram has been
predicted. We study the model with exact diagonalization techniques up to chain
lengths of 16 s... | 1993-12-01 | 2007-05-23 | [
"cond-mat"
] | K. J. Runge and G. T. Zimanyi |
cond-mat/9312001 | Interacting Domain Walls and the Five-Vertex Model | We investigate the thermodynamic and critical properties of an interacting
domain wall model which is derived from the triangular lattice
antiferromagnetic Ising model with the anisotropic nearest and next nearest
neighbor interactions. The model is equivalent to the general five--vertex
model. Diagonalizing the transf... | 1993-12-01 | 2009-10-22 | [
"cond-mat"
] | Jaedong Noh and Doochul Kim |
cond-mat/9312003 | Stability and Kinetics of Step Motion on Crystal Surfaces | The kinetics of monoatomic steps in diffusion-controlled crystal growth and
evaporation processes are investigated analytically using a Green's function
approach. Integro-differential equations of motion for the steps are derived;
and a systematic linear stability analysis is carried out treating
simultaneously perturb... | 1993-12-01 | 2009-10-22 | [
"cond-mat"
] | Fong Liu and H. Metiu |
cond-mat/9312005 | Crossover from the Josephson effect to bulk superconducting flow | The crossover between ideal Josephson behavior and uniform superconducting
flow is studied by solving exactly the Ginzburg-Landau equation for a
one-dimensional superconductor in the presence of an effective delta function
potential of arbitrary strength. As the effective scattering is turned off, the
pairs of Josephso... | 1993-12-01 | 2009-10-22 | [
"cond-mat"
] | Fernando Sols and Jaime Ferrer |
cond-mat/9312006 | Effect of Iodine Doping on Bi$_{2}$Sr$_{2}$Ca$_{1}$Cu$_{2}$O$_{x}$:
Charge Transfer or Interlayer Coupling? | A comparative study has been made of iodine-intercalated
Bi$_{2}$Sr$_{2}$Ca$_{1}$Cu$_{2}$O$_{x}$ single crystal and 1 atm O$_{2}$
annealed Bi$_{2}$Sr$_{2}$Ca$_{1}$Cu$_{1}$O$_{x}$ single crystal using AC
susceptibility measurement, X-ray photoemission (XPS) and angle-resolved
ultraviolet photoemission spectroscopy (ARUP... | 1993-12-01 | 2016-08-14 | [
"cond-mat"
] | Jian Ma (1), P.Alm\'eras (2), R.J.Kelley(1), H.Berger (2), G.
Margaritondo (2), A.Umezawa (3), Marvin L. Cohen (4) and M.Onellion (1)
((1)Dept. of Phys., UW-Madison; (2)EPFL,CH-1015 Lausanne, Switzerland;
(3)ASC, UW-Madison; (4)Dept. of Phys., UC at Berkeley & Materials S.D) |
cond-mat/9311065 | Orbital spins of the collective excitations in Hall liquids | We show that the Chern-Simons-Ginzburg-Landau theory of the quantum Hall
effect needs a modification, because the order parameter in that theory carries
an intrinsic orbital angular momentum. This quantum number contains additional
information about the topological order of the Hall liquids. We propose to
measure this ... | 1993-11-30 | 2009-10-22 | [
"cond-mat"
] | D.H. Lee and X.G. Wen |
cond-mat/9311066 | Phase diagram of the one-dimensional extended Hubbard model with
attractive and/or repulsive interactions at quarter filling | We study the phase diagram of the one dimensional (1D) $U-V$ model at quarter
filling in the most general case where the on-site and first-neighbour
interactions $U$ and $V$ can be both attractive and repulsive. The results have
been obtained using exact diagonalization of small clusters and variational
techniques, as ... | 1993-11-30 | 2009-10-22 | [
"cond-mat"
] | Karlo Penc and Frederic Mila |
cond-mat/9311063 | Lattice Effects in Crystal Evaporation | We study the dynamics of a stepped crystal surface during evaporation, using
the classical model of Burton, Cabrera and Frank, in which the dynamics of the
surface is represented as a motion of parallel, monoatomic steps. The validity
of the continuum approximation treated by Frank is checked against numerical
calculat... | 1993-11-30 | 2009-10-22 | [
"cond-mat"
] | I. Pagonabarraga, J. Villain, I. Elkinani and M.B. Gordon |
cond-mat/9311064 | Renormalization Group Calculation for the Reaction
$kA\rightarrow\emptyset$ | The diffusion-controlled reaction $kA\rightarrow\emptyset$ is known to be
strongly dependent on fluctuations in dimensions $d\le d_c=2/(k-1)$. We develop
a field theoretic renormalization group approach to this system which allows
explicit calculation of the observables as expansions in $\epsilon^{1/(k-1)}$,
where $\ep... | 1993-11-30 | 2009-10-22 | [
"cond-mat"
] | Benjamin P. Lee |
cond-mat/9311062 | Microscopic formulation of the hierarchy of quantized Hall states | Explicit wave functions for the hierarchy of fractionally quantized Hall
states are proposed, and a method for integrating out the quasiparticle
coordinates in the spherical geometry is developed. Their energies and overlaps
with the exact ground states for small numbers of particles with Coulomb
interactions are found... | 1993-11-29 | 2009-10-22 | [
"cond-mat"
] | Martin Greiter |
cond-mat/9311061 | Step edge barriers on GaAs(001) | We investigate the growth kinetics on vicinal GaAs(001) surfaces by making
detailed comparisons between reflection high--energy electron--diffraction
specular intensity measured near in--phase diffraction conditions and the
surface step density obtained from simulations of a solid--on--solid model.
Only by including a ... | 1993-11-29 | 2009-10-22 | [
"cond-mat"
] | Pavel \v{S}milauer and Dimitri D. Vvedensky |
cond-mat/9311059 | Morphological Changes of Small Viscous Droplets under Spreading | Dynamics of spreading of viscous non - volatile fluid droplets on surfaces is
modelled using a solid - on - solid model, which is studied with Monte Carlo
simulations. Tendency for dynamical layering and surface attraction are in part
embedded into the effective dynamics of the model. This allows a description of
the s... | 1993-11-26 | 2009-10-22 | [
"cond-mat"
] | O. Ven\"al\"ainen, T. Ala-Nissila, and K. Kaski |
cond-mat/9311058 | X-ray Absorption Study of Pulsed Laser Deposited Boron Nitride Films | B and N K-edge x-ray absorption spectroscopy measurements have been performed
on three BN thin films grown on Si substrates using ion-assisted pulsed laser
deposition. Comparison of the films' spectra to those of several single-phase
BN powder standards shows that the films consist primarily of $sp^2$ bonds.
Other feat... | 1993-11-26 | 2007-05-23 | [
"cond-mat"
] | A. Chaiken, L.J. Terminello, J. Wong, G.L. Doll and T. Sato |
cond-mat/9311060 | Insulating and Conducting Phases of RbC60 | Optical measurements were performed on thin films of Rb$_{x}$C$_{60}$,
identified by X-ray diffraction as mostly $x=1$ material. The samples were
subjected to various heat treatments, including quenching and slow cooling from
400K. The dramatic increase in the transmission of the quenched samples, and
the relaxation to... | 1993-11-26 | 2009-10-22 | [
"cond-mat"
] | Michael C. Martin, Daniel Koller, Xiaoqun Du, Peter W. Stephens and
Laszlo Mihaly(Department of Physics, SUNY at Stony Brook, Stony Brook, NY) |
cond-mat/9312004 | Overlap, Disorder and Directed Polymers: A Renormalization Group
Approach - | The overlap of a $d+1$ dimensional directed polymer of length $t$ in a random
medium is studied using a Renormalization Group approach. In $d>2$ it vanishes
at $T_c$ for $t\rightarrow \infty$ as $t^{\Sigma}$ where
$\Sigma=[\frac{d-1}{3-2d}]\frac{d}{z}$ and $z$ is the transverse spatial
rescaling exponent. The same form... | 1993-11-25 | 2009-10-22 | [
"cond-mat"
] | Sutapa Mukherji |
cond-mat/9311057 | Dispersion Law of Edge Waves in the Quantum Hall Effect | We present a microscopic description of edge excitations in the quantum Hall
effect which is analogous to Feynman's theory of superfluids. Analytic
expressions for the excitation energies are derived in finite dots. Our
predictions are in excellent agreement with the results of a recent numerical
diagonalization. In th... | 1993-11-25 | 2009-10-22 | [
"cond-mat"
] | S. Giovanazzi, L. Pitaevskii and S. Stringari |
cond-mat/9311056 | Phason modes in spin-density wave in the presence of long-range Coulomb
interaction | We study the effect of long-range Coulomb interaction on the phason in
spin-density wave (SDW) within mean field theory. In the longitudinal limit and
in the absence of SDW pinning the phason is completely absorbed by the plasmon
due to the Anderson-Higgs mechanism. In the presence of SDW pinning or when the
wave vecto... | 1993-11-24 | 2009-10-22 | [
"cond-mat"
] | Attila Virosztek and Kazumi Maki |
cond-mat/9311055 | The three-state Potts model on a triangular lattice | We study the phase diagram of the three-state Potts model on a triangular
lattice with general interactions (ferro/antiferromagnetic) between nearest
neighbor spins. When the interactions along two lattice-vector directions are
antiferromagnetic and infinitely strong, this model becomes equivalent to a
six-vertex model... | 1993-11-24 | 2009-10-22 | [
"cond-mat"
] | Hyunggyu Park |
cond-mat/9311053 | The Quantum Hall Effect in Drag: Inter-layer Friction in Strong Magnetic
Fields | We study the Coulomb drag between two spatially separated electron systems in
a strong magnetic field, one of which exhibits the quantum Hall effect. At a
fixed temperature, the drag mimics the behavior of $\sigma_{xx}$ in the quantum
Hall system, in that it is sharply peaked near the transitions between
neighboring pl... | 1993-11-23 | 2009-10-22 | [
"cond-mat"
] | Efrat Shimshoni and S. L. Sondhi |
cond-mat/9311054 | Conformal Field Theory Approach to Quantum Impurity Problems | A brief review is given of a new method for studying the critical behavior of
quantum impurity problems, based on conformal field theory techniques, which I
developed with Andreas Ludwig. Some results on the overscreened Kondo problem
are reviewed. It is shown that the simple open and periodic fixed points, which
occur... | 1993-11-23 | 2008-02-03 | [
"cond-mat",
"hep-th"
] | Ian Affleck |
cond-mat/9311051 | Parity Effects on Electron Tunneling through Small Superconducting
Islands | Single electron tunneling into small superconducting islands is sensitive to
the gap energy of the excitations created in the process and, hence, depends on
the electron number parity. At low temperature the properties of the system are
2e-periodic in the applied gate voltage, turning e-periodic at higher
temperature. ... | 1993-11-22 | 2009-10-22 | [
"cond-mat"
] | Gerd Sch\"on and A.D. Zaikin |
cond-mat/9311052 | Thin Films of 3He -- Implications on the Identification of 3 He -A | Recently the identification of 3He-A with the axial state has been
questioned. It is suggested that the A-phase can actually be in the axiplanar
state. We point out in the present paper that experiments in a film geometry
may be useful to distinguish the above two possibilities. In particular a
second order phase trans... | 1993-11-22 | 2009-10-22 | [
"cond-mat"
] | S. K. Yip (Northwestern University, U.S.A.) |
cond-mat/9311050 | A Unified Model for Two Localisation Problems: Electron States in
Spin-Degenerate Landau Levels, and in a Random Magnetic Field | A single model is presented which represents both of the two apparently
unrelated localisation problems of the title. The phase diagram of this model
is examined using scaling ideas and numerical simulations. It is argued that
the localisation length in a spin-degenerate Landau level diverges at two
distinct energies, ... | 1993-11-20 | 2011-08-05 | [
"cond-mat"
] | D.K.K. Lee and J.T. Chalker |
cond-mat/9311047 | Breakdown of the Fermi Liquid picture in one dimensional fermion
systems: connection with the energy level statistics | Using the adiabatic switching of interactions, we establish a condition for
the existence of electronic quasiparticles in a Luttinger liquid. It involves a
characteristic interaction strength proportional to the inverse square root of
the system length. An investigation of the exact energy level separation
probability ... | 1993-11-19 | 2009-10-22 | [
"cond-mat"
] | R. M\'elin, B. Dou\c{c}ot and P. Butaud |
cond-mat/9311048 | Noise in an ac biased junction. Non-stationary Aharonov-Bohm effect | We study excess noise in a quantum conductor in the presence of constant
voltage and alternating external field. Due to a two particle interference
effect caused by Fermi correlations the noise is sensitive to the phase of the
time dependent transmission amplitude. We compute spectral density and show
that at T=0 the n... | 1993-11-19 | 2008-04-12 | [
"cond-mat"
] | L.S.Levitov and G.B.Lesovik |
cond-mat/9311049 | Composite Edge States in the $\nu=2/3$ Fractional Quantum Hall Regime | A generalized $\nu=2/3$ state, which unifies the edge-state pictures of
MacDonald and of Beenakker is presented and studied in detail. Using an exact
relation between correlation functions of this state and those of the Laughlin
$\nu=1/3$ wave function, the correlation functions of the $\nu=2/3$ state are
determined vi... | 1993-11-19 | 2009-10-22 | [
"cond-mat"
] | Yigal Meir (Physics Department, University of California, Santa
Barbara, CA) |
cond-mat/9311046 | Universal Spectral Correlation between Hamiltonians with Disorder | We study the correlation between the energy spectra of two disordered
Hamiltonians of the form $H_a=H_{0a}+s_{a}\varphi$ ($a=1,2$) with $H_{0a}$ and
$\varphi$ drawn from random distributions. We calculate this correlation
function explicitly and show that it has a simple universal form for a broad
class of random distr... | 1993-11-18 | 2009-10-22 | [
"cond-mat"
] | E. Br\'ezin, \'Ecole Normale Superieure, and A. Zee (Institute for
Theoretical Physics, UCSB) |
cond-mat/9311044 | Electronic interactions in fullerene molecules | We study the Coulomb interactions in fullerene molecules within a continuum
formalism. The model gives rise to a renormalizable field theory, which has
many similarities to standard quantum electrodynamics. The effective electric
charge at low energies is reduced by screening processes. The associated
renormalization o... | 1993-11-18 | 2007-05-23 | [
"cond-mat"
] | J. Gonzalez, F. Guinea and M. A. H. Vozmediano |
cond-mat/9311045 | Universal Magnetic Properties of Frustrated Quantum Antiferromagnets in
Two Dimensions | We present a theory of frustrated, two-dimensional, quantum antiferromagnets
in the vicinity of a quantum transition from a non-collinear,
magnetically-ordered ground state to a quantum-disordered phase. Using a
sigma-model for bosonic, spin-1/2, spinon fields, we obtain universal scaling
forms for a variety of observa... | 1993-11-18 | 2009-10-22 | [
"cond-mat"
] | A.V. Chubukov, T. Senthil, and S. Sachdev |
cond-mat/9311041 | Invariants of the $1/r^2$ Supersymmetric t-J Models | In this work, we have studied the invariants of motion of two SU(N)
supersymmetric t-J model of $1/r^2$ hopping and exchange in one dimension. The
first model is defined on a lattice of equal spaced sites, and the second on a
non-equal spacing lattice. Using the ``exchange operator formalism'', we are
able to construct... | 1993-11-17 | 2009-10-22 | [
"cond-mat",
"hep-th"
] | D. F. Wang and C. Gruber |
cond-mat/9311042 | Cooper pair tunnelling into a Quantum Hall fluid | Transport through a tunnel junction connecting a superconductor to a
spin-aligned quantum Hall fluid at filling $\nu$ is studied theoretically. The
dominant transport channel at low temperatures is the tunnelling of Cooper
pairs into edge states of the quantum Hall fluid. This process, which is
greatly suppressed at lo... | 1993-11-17 | 2009-10-22 | [
"cond-mat"
] | Matthew P.A. Fisher |
cond-mat/9311043 | Symmetry of the Gap in Bi2212 from Photoemission Spectroscopy | In a recent Letter, Shen et al have detected a large anisotropy of the
superconducting gap in Bi2212, consistent with d-wave symmetry, from
photoemission spectroscopy. Moreover, they claim that the change in their
spectra as a function of aging is also consistent with such an intrepretation.
In this Comment, I show tha... | 1993-11-17 | 2009-10-22 | [
"cond-mat"
] | M. R. Norman |
cond-mat/9311039 | Simulating `Complex' Problems with Quantum Monte Carlo | We present a new quantum Monte Carlo algorithm suitable for generically
complex problems, such as systems coupled to external magnetic fields or anyons
in two spatial dimensions. We find that the choice of gauge plays a nontrivial
role, and can be used to reduce statistical noise in the simulation.
Furthermore, it is f... | 1993-11-16 | 2009-10-22 | [
"cond-mat"
] | Lizeng Zhang, Geoff Canright and Ted Barnes |
cond-mat/9311040 | Tunneling in Quantum Wires: a Boundary Conformal Field Theory Approach | Tunneling through a localized barrier in a one-dimensional interacting
electron gas has been studied recently using Luttinger liquid techniques.
Stable phases with zero or unit transmission occur, as well as critical points
with universal fractional transmission whose properties have only been
calculated approximately,... | 1993-11-16 | 2009-10-22 | [
"cond-mat",
"hep-th"
] | Eugene Wong and Ian Affleck |
cond-mat/9311037 | Quantum Phases of the Shraiman-Siggia Model | We examine phases of the Shraiman-Siggia model of lightly-doped, square
lattice quantum antiferromagnets in a self-consistent, two-loop, interacting
magnon analysis. We find magnetically-ordered and quantum-disordered phases
both with and without incommensurate spin correlations. The quantum disordered
phases have a ps... | 1993-11-16 | 2009-10-22 | [
"cond-mat"
] | Subir Sachdev |
cond-mat/9311038 | Chiral Operator Product Algebra and Edge Excitations of a Fractional
Quantum Hall Droplet | In this paper we study the spectrum of low-energy edge excitations of a
fractional quantum Hall (FQH) droplet. We show how to generate, by conformal
field theory (CFT) techniques, the many-electron wave functions for the edge
states. And we propose to classify the spectrum of the edge states by the same
chiral operator... | 1993-11-16 | 2017-08-23 | [
"cond-mat",
"hep-th"
] | Xiao-Gang Wen, Yong-Shi Wu, and Yasuhiro Hatsugai |
cond-mat/9311036 | Monte Carlo study of a vortex glass model | We describe results of Monte Carlo simulations on a model that seems to have
the necessary ingredients to describe a disordered type-II superconductor in a
magnetic field. We compute the free energy cost to twist the direction of the
phase of the condensate and analyze the results by finite-size scaling. The
results sh... | 1993-11-15 | 2007-05-23 | [
"cond-mat"
] | J. D. Reger and A. P. Young |
cond-mat/9311035 | Spin Gaps and Bilayer Coupling in YBa$_2$Cu$_3$O$_{7-\delta}$ and
YBa$_2$Cu$_4$O$_8$ | We investigate the relevance to the physics of underdoped
YBa$_2$Cu$_3$O$_{\rm 6+x}$ and YBa$_2$Cu$_4$O$_8$ of the quantum critical point
which occurs in a model of two antiferromagnetically coupled planes of
antiferromagnetically correlated spins. We use a Schwinger boson mean field
theory and a scaling analysis to ob... | 1993-11-15 | 2009-10-22 | [
"cond-mat"
] | A. J. Millis and H. Monien |
cond-mat/9311034 | Quantum Heisenberg Chain with Long-Range Ferromagnetic Interactions at
Low Temperature | A modified spin-wave theory is applied to the one-dimensional quantum
Heisenberg model with long-range ferromagnetic interactions. Low-temperature
properties of this model are investigated. The susceptibility and the specific
heat are calculated; the relation between their behaviors and strength of the
long-range inter... | 1993-11-15 | 2009-10-22 | [
"cond-mat"
] | Hiroki Nakano and Minoru Takahashi |
cond-mat/9311033 | The Hubbard Model: Some Rigorous Results and Open Problems | Paper: cond-mat/9311033 The Hubbard model of interacting electrons, like the
Ising model of spin-spin interactions, is the simplest possible model
displaying many ``real world'' features, but it is much more difficult to
analyze qualitatively than the Ising model. After a third of a century of
research, we are still no... | 1993-11-13 | 2008-02-03 | [
"cond-mat"
] | Elliott Lieb |
cond-mat/9311032 | Markov chain analysis of random walks on disordered medium | We study the dynamical exponents $d_{w}$ and $d_{s}$ for a particle diffusing
in a disordered medium (modeled by a percolation cluster), from the regime of
extreme disorder (i.e., when the percolation cluster is a fractal at $p=p_{c}$)
to the Lorentz gas regime when the cluster has weak disorder at $p>p_{c}$ and
the le... | 1993-11-12 | 2009-10-22 | [
"cond-mat"
] | Sonali Mukherjee, Hisao Nakanishi and Norman H. Fuchs |
cond-mat/9311031 | Statistics of self-avoiding walks on randomly diluted lattice | A comprehensive numerical study of self-avoiding walks (SAW's) on randomly
diluted lattices in two and three dimensions is carried out. The critical
exponents $\nu$ and $\chi$ are calculated for various different occupation
probabilities, disorder configuration ensembles, and walk weighting schemes.
These results are a... | 1993-11-12 | 2009-10-22 | [
"cond-mat"
] | M. D. Rintoul, Jangnyeol Moon and Hisao Nakanishi |
cond-mat/9311030 | Effects of Long-Range Coupling on Aggregation | Alternative to the Poisson growth model, numerical simulations of the
two-dimensional biharmonic equation $\nabla^{2*2} u =0$ show that a transition
from dense to multibranched growth is a consequence of the different coupling
between displacements on the pattern formation of fractal aggregates. | 1993-11-12 | 2007-05-23 | [
"cond-mat"
] | E. Canessa and Wei Wang (ICTP-Trieste, Italy and Physics Department,
Nanjing University, People's Republic of China) |
cond-mat/9311028 | Directed Polymers with Random Interaction : An Exactly Solvable Case - | We propose a model for two $(d+1)$-dimensional directed polymers subjected to
a mutual $\delta$-function interaction with a random coupling constant, and
present an exact renormalization group study for this system. The exact
$\beta$-function, evaluated through an $\epsilon(=1-d)$ expansion for second
and third moments... | 1993-11-11 | 2009-10-22 | [
"cond-mat"
] | Sutapa Mukherji and Somendra M. Bhattacharjee |
cond-mat/9311027 | Kinetic Inductance and Penetration Depth of Thin Superconducting Films
Measured by THz Pulse Spectroscopy | We measure the transmission of THz pulses through thin films of YBCO at
temperatures between 10K and 300K. The pulses possess a useable bandwidth
extending from 0.1 -- 1.5 THz (3.3 cm^-1 -- 50 cm^-1). Below T_c we observe
pulse reshaping caused by the kinetic inductance of the superconducting charge
carriers. From tran... | 1993-11-11 | 2009-10-22 | [
"cond-mat"
] | S. D. Brorson, R. Buhleier, J. O. White, I. E. Trofimov, H. -U.
Habermeier, and J. Kuhl |
cond-mat/9311026 | A Simple Formula for the Persistent Current in Disordered 1D Rings:
Parity and Interaction Effects | The general expression for the persistent current of 1D noninteracting
electrons in a disorder potential with smooth scattering data is derived for
zero temperature. On the basis of this expression the parity effects are
discussed. It is shown that the electron-electron interaction may give rise to
an unusual size-depe... | 1993-11-11 | 2009-10-22 | [
"cond-mat"
] | Alexander O.Gogolin, Nikolai V.Prokof'ev |
cond-mat/9311029 | Universal subgap optical conductivity in quasi-one-dimensional Peierls
systems | Quasi-one-dimensional Peierls systems with quantum and thermal lattice
fluctuations can be modeled by a Dirac-type equation with a Gaussian-correlated
off-diagonal disorder. A powerful new method gives the exact disorder-averaged
Green function used to compute the optical conductivity. The strong subgap tail
of the con... | 1993-11-11 | 2009-10-22 | [
"cond-mat"
] | Kihong Kim, Ross H. McKenzie, and John W. Wilkins (The Ohio State
University) |
cond-mat/9311023 | Edge States in Strong Magnetic Field | Energies and wave functions of edge states in twodimensional electron gas are
evaluated for a finite step potential barrier model. The spectrum exhibits
richer structure than observed previously for an infinite barrier model.
Surprisingly, instead of smooth Landau level bending in the vicinity of the
barrier, the level... | 1993-11-10 | 2009-10-22 | [
"cond-mat"
] | I. Bartos and B. Rosenstein |
cond-mat/9311025 | A Mean Field Analysis of One Dimensional Quantum Liquid with Long Range
Interaction | Bi-local mean field theory is applied to one dimensional quantum liquid with
long range $1/r^2$ interaction, which has exact ground state wave function. We
obtain a mean field solution and an effective action which expresses a long
range dynamics. Based on them the ground state energy and correlation functions
are comp... | 1993-11-10 | 2009-10-22 | [
"cond-mat"
] | Kenzo.Ishikawa and Nobuki.Maeda |
cond-mat/9311024 | Sum Rules and Bose-Einstein Condensation | Various sum rules accounting for the coupling between density and particle
excitations and emphasizing in an explicit way the role of the Bose-Einstein
condensation are discussed. Important consequences on the fluctuations of the
particle operator as well as on the structure of elementary excitations are
reviewed. Thes... | 1993-11-10 | 2007-05-23 | [
"cond-mat"
] | S. Stringari |
cond-mat/9311022 | Universal conductivity in the boson Hubbard model in a magnetic field | The universal conductivity at the zero-temperature superconductor-insulator
transition of the two-dimensional boson Hubbard model is studied for cases both
with and without magnetic field by Monte Carlo simulations of the
(2+1)-dimensional classical $XY$-model with disorder represented by random
bonds correlated along ... | 1993-11-10 | 2009-10-22 | [
"cond-mat"
] | Min-Chul Cha and S. M. Girvin |
cond-mat/9311018 | Fermi Edge Singularities and Backscattering in a Weakly Interacting 1D
Electron Gas | The photon-absorption edge in a weakly interacting one-dimensional electron
gas is studied, treating backscattering of conduction electrons from the core
hole exactly. Close to threshold, there is a power-law singularity in the
absorption, $I(\epsilon) \propto \epsilon^{-\alpha}$, with $\alpha = 3/8 +
\delta_+/\pi - \d... | 1993-11-09 | 2009-10-22 | [
"cond-mat"
] | C. L. Kane, K. A. Matveev, and L. I. Glazman |
cond-mat/9311019 | Descete Spectrum of Delocalized States in One-Dimensional Random
Potensial | It is well known$^{1,2}$ that in one-dimensional disordered system all states
of electrons (or any other exitations) are localized. In this letter it is
shown that delocalized states exist in a rather broad class of of simple
models, but a set of delocalized states is not too great, and it does not
contradict this theo... | 1993-11-09 | 2007-05-23 | [
"cond-mat"
] | M. Yu. Lashkevich |
cond-mat/9311020 | Spin Excitations and Sum Rules in the Heisenberg Antiferromagnet | Various bounds for the energy of collective excitations in the Heisenberg
antiferromagnet are presented and discussed using the formalism of sum rules.
We show that the Feynman approximation significantly overestimates (by about
30\% in the $S={1\over2}$ square lattice) the spin velocity due to the non
negligible contr... | 1993-11-09 | 2009-10-22 | [
"cond-mat"
] | S. Stringari |
cond-mat/9311021 | S(k) for Haldane Gap Antiferromagnets: Large-scale Numerical Results vs.
Field Theory and Experiment | The structure function, S(k), for the s=1, Haldane gap antiferromagnetic
chain, is measured accurately using the recent density matrix renormalization
group method, with chain-length 100. Excellent agreement with the nonlinear
$\sigma$ model prediction is obtained, both at $k\approx \pi$ where a single
magnon process d... | 1993-11-09 | 2009-10-22 | [
"cond-mat"
] | E. Sorensen and I. Affleck |
cond-mat/9311017 | Partition Function Zeros for Aperiodic Systems | The study of zeros of partition functions, initiated by Yang and Lee,
provides an important qualitative and quantitative tool in the study of
critical phenomena. This has frequently been used for periodic as well as
hierarchical lattices. Here, we consider magnetic field and temperature zeros
of Ising model partition f... | 1993-11-08 | 2015-06-25 | [
"cond-mat",
"hep-th"
] | M. Baake, U. Grimm and C. Pisani |
cond-mat/9311015 | Molecule Formation and the Farey Tree in the One-Dimensional
Falicov-Kimball Model | The ground state configurations of the one--dimensional Falicov--Kimball
model are studied exactly with numerical calculations revealing unexpected
effects for small interaction strength. In neutral systems we observe molecular
formation, phase separation and changes in the conducting properties; while in
non--neutral ... | 1993-11-08 | 2009-10-22 | [
"cond-mat"
] | C. Gruber, D. Ueltschi and J. J\c{e}drzejewski |
cond-mat/9311014 | Universality of Period Doubling in Coupled Maps | We study the critical behavior of period doubling in two coupled
one-dimensional maps with a single maximum of order $z$. In particurlar, the
effect of the maximum-order $z$ on the critical behavior associated with
coupling is investigated by a renormalization method. There exist three fixed
maps of the period-doubling... | 1993-11-08 | 2009-10-22 | [
"cond-mat"
] | Sang-Yoon Kim |
cond-mat/9311016 | On the Out of Equilibrium Relaxation of the Sherrington - Kirkpatrick
model | We derive analytical results for the large-time relaxation of the Sherrington
- Kirkpatrick model in the thermodynamic limit, starting from a random
configuration. The system never achieves local equilibrium in any fixed sector
of phase-space, but remains in an asymptotic out of equilibrium regime. We
propose as a tool... | 1993-11-08 | 2009-10-22 | [
"cond-mat",
"hep-th"
] | L. F. Cugliandolo and J. Kurchan |
cond-mat/9311013 | Correlated Electrons in High Temperature Superconductors | Theoretical ideas and experimental results concerning high temperature
superconductors are reviewed. Special emphasis is given to calculations carried
out with the help of computers applied to models of strongly correlated
electrons proposed to describe the two dimensional ${\rm Cu O_2}$ planes. The
review also include... | 1993-11-05 | 2009-10-22 | [
"cond-mat"
] | Elbio Dagotto (National High Magnetic Field Laboratory, Florida State
University, Tallahassee, FL, USA) |
cond-mat/9311012 | Effective Action Method for Computing Next to Leading Corrections of
$O(N)$ Models | We compute the corrections of next to leading order in the ${1 \over N}$
expansion to the effective potential of a system described by a Ginzburg-Landau
model with $N$ components and quartic interaction, in the case of spontaneous
symmetry breaking. The method we apply allows to generalize in a simple way the
so-called... | 1993-11-05 | 2009-10-22 | [
"cond-mat",
"hep-th"
] | D. Dominici and U. Marini Bettolo Marconi |
cond-mat/9311011 | Electronic Structure of Fullerene Anions | We study the electronic states of isolated fullerene anions C$^{n-}_{60}$
($1\le n \le 6$) taking into account the effective interaction between
electrons due to exchange of intramolecular phonons. If the vibronic coupling
is strong enough such an effect may overwhelm Hund's rule and lead to an
ordering of levels that ... | 1993-11-04 | 2010-03-25 | [
"cond-mat"
] | L. Bergomi and Th. Jolicoeur |
cond-mat/9311010 | Exact Results of Dimerization Order Parameter in $SU(n)$
Antiferromagnetic Chains | After a proper definition of the dimerization order parameter for a spin-$S$
system, I show that this order parameter in the $SU(n)$ ($n=2S+1$)
antiferromagnetic chains (or equivalently the $SU(2)$ spin-$S$ chains with
Hamiltonians which project out singlet states) is, in the thermodynamic limit,
directly proportional ... | 1993-11-04 | 2009-10-22 | [
"cond-mat"
] | Y. Xian |
cond-mat/9311008 | Resonant Impurity Scattering in a Strongly Correlated Electron Model | Scattering by a single impurity introduced in a strongly correlated
electronic system is studied by exact diagonalization of small clusters. It is
shown that an inert site which is spinless and unable to accomodate holes can
give rise to strong resonant scattering. A calculation of the local density of
state reveals th... | 1993-11-03 | 2009-10-22 | [
"cond-mat"
] | D. Poilblanc, W. Hanke, and D. J. Scalapino |
cond-mat/9311007 | Ground State and Excitations of Disordered Boson Systems | After an introduction to the dirty bosons problem, we present a gaussian
theory for the ground state and excitations. This approach is physically
equivalent to the Bogoliubov approximation. We find that ODLRO can be destroyed
with sufficient disorder. The density of states and localization of the
elementary excitations... | 1993-11-03 | 2009-10-22 | [
"cond-mat"
] | Michael Ma, Pornthep Nisamaneephong and Lizeng Zhang |
cond-mat/9311009 | Reunion of Vicious Walkers: Results from $\epsilon$-Expansion - | The anomalous exponent, $\eta_{p}$, for the decay of the reunion probability
of $p$ vicious walkers, each of length $N$, in $d$ $(=2-\epsilon)$ dimensions,
is shown to come from the multiplicative renormalization constant of a $p$
directed polymer partition function. Using renormalization group(RG) we
evaluate $\eta_{p... | 1993-11-03 | 2009-10-22 | [
"cond-mat"
] | Sutapa Mukherji and Somendra M. Bhattacharjee |
cond-mat/9311006 | Chaotic Cascades with Kolmogorov 1941 Scaling | We define a (chaotic) deterministic variant of random multiplicative cascade
models of turbulence. It preserves the hierarchical tree structure, thanks to
the addition of infinitesimal noise. The zero-noise limit can be handled by
Perron-Frobenius theory, just as the zero-diffusivity limit for the fast dynamo
problem. ... | 1993-11-02 | 2009-10-22 | [
"cond-mat"
] | L. Biferale, M. Blank and U. Frisch |
cond-mat/9311005 | Low-Temperatures Vortex Dynamics in Twinned Superconductors | We discuss the low-temperature dynamics of magnetic flux lines in samples
with a family of parallel twin planes. A current applied along the twin planes
drives flux motion in the direction transverse to the planes and acts like an
electric field applied to {\it one-dimensional} carriers in disordered
semiconductors. As... | 1993-11-01 | 2009-10-22 | [
"cond-mat"
] | M. Cristina Marchetti and Valerii M. Vinokur |
cond-mat/9311003 | Crossover from Fermi Liquid to Non-Fermi Liquid Behavior in a Solvable
One-Dimensional Model | We consider a quantum moany-body problem in one-dimension described by a
Jastrow type, characterized by an exponent $\lambda$ and a parameter $\gamma$.
We show that with increasing $\gamma$, the Fermi Liquid state ($\gamma=0)$
crosses over to non-Fermi liquid states, characterized by effective
"temperature". | 1993-11-01 | 2009-10-22 | [
"cond-mat"
] | Y. Chen and K. A. Muttalib |
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