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/9309036 | Comment on "Microscopic Theory of Periodic Conductances in Narrow
Channels" | In a recent letter Johnson and Payne (JP) have studied the effect of the
electron interaction on the periodic conductance oscillations in narrow
channels based on an exactly solvable model. In this Comment we discuss the
exchange-correlation effect on JP's model using a solvable electron model. We
wish to point out tha... | 1993-09-24 | 2007-05-23 | [
"cond-mat"
] | N. Kawakami |
cond-mat/9309034 | Avalanche size distribution in the Toom interface | We present numerical data of the height-height correlation function and of
the avalanche size distribution for the three dimensional Toom interface. The
height-height correlation function behaves samely as the interfacial
fluctuation width, which diverges logarithmically with space and time for both
unbiased and biased... | 1993-09-22 | 2007-05-23 | [
"cond-mat"
] | H.Jeong, B.Kahng, D.Kim |
cond-mat/9309033 | Classical theory of the Hall-effect in an inhomogeneous magnetic field | Inspired by recent experiments by Geim et al. we discuss the classical theory
of the Hall effect of a 2 dimensional electron gas in an inhomogeneous magnetic
field. The field modulation is in the form of flux tubes created by a
superconductor overlayer. We find that an approach, where the vortices are
treated as indivi... | 1993-09-22 | 2016-08-14 | [
"cond-mat"
] | Kasper Juel Eriksen and Per Hedeg{\aa}rd (Niels Bohr Institute,
Copenhagen) |
cond-mat/9309035 | The superconductor-insulator transition in 2D dirty boson systems | Universal properties of the zero temperature superconductor-insulator
transition in two-dimensional amorphous films are studied by extensive Monte
Carlo simulations of bosons in a disordered medium. We report results for both
short-range and long-range Coulomb interactions for several different points in
parameter spac... | 1993-09-22 | 2009-10-22 | [
"cond-mat"
] | M. Wallin, E. Sorensen, S. M. Girvin, A. P. Young |
cond-mat/9309032 | Numerical Investigation of the Evolution of Sandpiles | The evolution of a pile of granular material is investigated by molecular
dynamics using a new model including nonsphericity of the particles instead of
introducing static friction terms. The angle of repose of the piles as well as
the avalanche statistics gathered by the simulation agree with experimental
results. The... | 1993-09-22 | 2009-10-22 | [
"cond-mat",
"adap-org",
"nlin.AO"
] | Volkhard Buchholtz and Thorsten Poeschel |
cond-mat/9309030 | Exact Dynamical Correlations of the 1/r^2 Model | We present exact results for the dynamical structure function, i.e.~the
density-density correlations for the 1/r^2 system of interacting particles at
three special values of the coupling constant. The results are interpreted in
terms of exact excitations of the model which are available from Bethe's
Ansatz, thereby thr... | 1993-09-21 | 2016-08-31 | [
"cond-mat"
] | E. R. Mucciolo, B. S. Shastry, B. D. Simons, and B. L. Altshuler |
cond-mat/9309031 | Evidence for Spin-Charge Separation in the Two-Dimensional T-J Model | We have calculated high temperature expansions for the momentum distribution
function $n_{\scriptscriptstyle\bf k}$ and the equal time spin and density
correlation functions $S({\bf q})$ and $N({\bf q})$ of the two-dimensional
$t$-$J$ model. On extrapolation to low temperatures we find that
$n_{\scriptscriptstyle\bf k}... | 1993-09-21 | 2009-10-22 | [
"cond-mat"
] | W. O. Putikka, R. L. Glenister, R. R. P. Singh and H. Tsunetsugu |
cond-mat/9309027 | Effective-Medium Theory for the Normal State in Orientationally
Disordered Fullerides | An effective-medium theory for studying the electronic structure of the
orientationally disordered A3C60 fullerides is developed and applied to study
various normal-state properties. The theory is based on a cluster-Bethe-lattice
method in which the disordered medium is modelled by a three-band Bethe
lattice, into whic... | 1993-09-20 | 2009-10-22 | [
"cond-mat"
] | M.S. Deshpande, S.C. Erwin, S. Hong, and E.J. Mele |
cond-mat/9309026 | Do the A4c60 Fullerides Have a Broken-Symmetry Ground State? | Band theory predicts both K3C60 and K4C60 to be metals; various experimental
probes show that while K3C60 is indeed metallic, K4C60 appears to be
insulating. The standard view of this apparent failure of the single-particle
picture is that electron correlation is predominant. We describe an alternative
scenario, motiva... | 1993-09-20 | 2009-10-22 | [
"cond-mat"
] | Steven C. Erwin and Christoph Bruder |
cond-mat/9309028 | Superconductivity Near Phase Separation in Models of Correlated
Electrons | Numerical and analytical studies of several models of correlated electrons
are discussed. Based on exact diagonalization and variational Monte Carlo
techniques, we have found strong indications that the two dimensional t-J model
superconducts near phase separation in the regime of quarter-filling density,
in agreement ... | 1993-09-20 | 2009-10-22 | [
"cond-mat"
] | E. Dagotto, J. Riera, Y. C. Chen, A. Moreo, A. Nazarenko, F. Alcaraz,
and F. Ortolani (Florida State University) |
cond-mat/9309029 | The Thermodynamics and Economics of Waste | Natural resource use and waste production, disposal, and reuse in human
economies are treated in their economic, technological and thermodynamic
aspects. The physical nature of economic production, consumption, saving, and
waste is compared and contrasted with non-human ecologies in terms of entropy
production and evol... | 1993-09-20 | 2008-02-03 | [
"cond-mat"
] | Dallas C. Kennedy |
cond-mat/9309022 | Understanding Far-Infrared Absorption in the S=1 Antiferromagnetic Chain
Compound NENP | Infrared transmission measurements on the $S=1$ antiferromagnetic chain
compound NENP in applied magnetic fields show a sharp absorption line at the
field-shifted Haldane gap. This violates a wave-vector selection rule of the
Hamiltonian normally used for NENP, as the gap excitations occur at the
Brillouin zone boundar... | 1993-09-17 | 2009-10-22 | [
"cond-mat"
] | Partha P.Mitra and Bertrand I. Halperin |
cond-mat/9309024 | Vortex Glass Phase and Universal Susceptibility Variations in Planar
Array of Flux Lines | Some of the properties of the low temperature vortex-glass phase of
randomly-pinned flux lines in 1+1 dimensions are studied. The flux arrays are
found to be sensitive to small changes in external parameters such as the
magnetic field or temperature. These effects are captured by the variations in
the magnetic response... | 1993-09-17 | 2009-10-22 | [
"cond-mat"
] | Terence Hwa and Daniel S. Fisher (Harvard University) |
cond-mat/9309025 | Relaxation Oscillations in Model Sandpiles | We introduce a simple one-dimensional sandpile model that undergoes
relaxation oscillations. A single model can account for self-organized critical
behavior and relaxation oscillations, depending on the manner in which it is
driven, mirroring the experimental situation for real sandpiles. The relaxation
oscillations ar... | 1993-09-17 | 2007-05-23 | [
"cond-mat"
] | J.E.S. Socolar and M.E. Bleich |
cond-mat/9309020 | A New Finite-Size Scaling Approach to Random Walks | We present a new finite-size scaling method for the random walks (RW)
superseeding a previously widely used renormalization group approach, which is
shown here to be inconsistent. The method is valid in any dimension and is
based on the exact solution for the two-point correlation function and on
finite size scaling. A... | 1993-09-16 | 2009-10-22 | [
"cond-mat"
] | Achille Giacometti and Hisao Nakanishi |
cond-mat/9309023 | Charging Effects and Quantum Crossover in Granular Superconductors | The effects of the charging energy in the superconducting transition of
granular materials or Josephson junction arrays is investigated using a
pseudospin one model. Within a mean-field renormalization-group approach, we
obtain the phase diagram as a function of temperature and charging energy. In
contrast to early tre... | 1993-09-16 | 2009-10-22 | [
"cond-mat"
] | E. Granato and M.A. Continentino |
cond-mat/9309021 | Separation of Spin and Charge Quantum Numbers in Strongly Correlated
Systems | In this paper we reexamine the problem of the separation of spin and charge
degrees of freedom in two dimensional strongly correlated systems. We establish
a set of sufficient conditions for the occurence of spin and charge separation.
Specifically, we discuss this issue in the context of the Heisenberg model for
spin-... | 1993-09-16 | 2009-10-22 | [
"cond-mat",
"hep-th"
] | Christopher Mudry and Eduardo Fradkin |
cond-mat/9309019 | Weak Non Self-Averaging Behaviour for Diffusion in a Trapping
Environment | The statistics of equally weighted random paths (ideal polymer) is studied in
$2$ and $3$ dimensional percolating clusters. This is equivalent to diffusion
in the presence of a trapping environment. The number of $N$ step walks follows
a log-normal distribution with a variance growing asymptotically faster than
the mea... | 1993-09-16 | 2009-10-22 | [
"cond-mat"
] | Achille Giacometti and Amos Maritan |
cond-mat/9309018 | Topological Landau-Ginzburg Theory for Vortices in Superfluid $^4$He | We propose a new Landau-Ginzburg theory for arbitrarily shaped vortex strings
in superfluid $^4$He. The theory contains a topological term and directly
describes vortex dynamics. We introduce gauge fields in order to remove
singularities from the Landau-Ginzburg order parameter of the superfluid, so
that two kinds of g... | 1993-09-14 | 2009-10-22 | [
"cond-mat"
] | M. Hatsuda, S. Yahikozawa, P. Ao and D. J. Thouless |
cond-mat/9309015 | Monte Carlo Analysis of a New Interatomic Potential for He | By means of a Quadratic Diffusion Monte Carlo method we have performed a
comparative analysis between the Aziz potential and a revised version of it.
The results demonstrate that the new potential produces a better description of
the equation of state for liquid $^4$He. In spite of the improvement in the
description of... | 1993-09-14 | 2009-10-22 | [
"cond-mat"
] | J. Boronat and J. Casulleras |
cond-mat/9309016 | Anomalous Fluctuations of Directed Polymers in Random Media | A systematic analysis of large scale fluctuations in the low temperature
pinned phase of a directed polymer in a random potential is described. These
fluctuations come from rare regions with nearly degenerate ``ground states''.
The probability distribution of their sizes is found to have a power law tail.
The rare regi... | 1993-09-14 | 2016-08-31 | [
"cond-mat"
] | Terence Hwa and Daniel S. Fisher (Harvard University) |
cond-mat/9309017 | Analysis of Random Number Generators Using Monte Carlo Simulation | Revisions are almost entirely in the introduction and conclusion. Results are
unchanged, however the comments and recommendations on different generators
were changed, and more references were added. | 1993-09-14 | 2009-10-22 | [
"cond-mat",
"hep-lat"
] | P.D. Coddington (Northeast Parallel Architectures Center, Syracuse
University, 111 College Place, Syracuse, NY, U.S.A.) |
cond-mat/9309012 | Persistent Currents in Mesoscopic Hubbard Rings with Spin-Orbit
Interaction | The effect of spin-orbit interaction on persistent currents in mesoscopic
Hubbard rings threaded by an Aharonov-Bohm flux is investigated putting stress
on the orbital magnetism. The non-perturbative treatment of the spin-orbit
interaction developed by Meir {\em et al.} is combined with the Bethe ansatz
solution to dea... | 1993-09-13 | 2009-10-22 | [
"cond-mat"
] | Satoshi Fujimoto and Norio Kawakami |
cond-mat/9309011 | Solitonic excitations in the Haldane phase of a S=1 chain | We study low-lying excitations in the 1D $S=1$ antiferromagnetic
valence-bond-solid (VBS) model. In a numerical calculation on finite systems
the lowest excitations are found to form a discrete triplet branch, separated
from the higher-lying continuum. The dispersion of these triplet excitations
can be satisfactorily r... | 1993-09-13 | 2009-10-22 | [
"cond-mat"
] | G. Fath and J. Solyom |
cond-mat/9309013 | Pair Description of the FQHE with Application to Edge Waves | Pairs of particles of definite total and relative angular momentum provide a
natural description for a two dimensional electron gas in a strong magnetic
field. Two body operators take a simple form when expressed in terms of pair
creation and destruction operators. The pair formalism is applied to the study
of edge wav... | 1993-09-13 | 2007-05-23 | [
"cond-mat"
] | M.Marsili |
cond-mat/9309014 | Properties of Odd Gap Superconductors | A new class of superconductors with the gap function {\it odd} under time
reversal is considered. Some of the physical properties of these
superconductors such as the Meissner effect, composite condensate, gapless
spectrum and transition from the {\it odd} gap superconductor to the BCS state
at lower temperatures are d... | 1993-09-13 | 2009-10-22 | [
"cond-mat"
] | A. V. Balatsky, Elihu Abrahams, D.J. Scalapino, J.R. Schrieffer |
cond-mat/9309010 | Asymptotic Level Spacing of the Laguerre Ensemble: A Coulomb Fluid
Approach | We determine the asymptotic level spacing distribution for the Laguerre
Ensemble in a single scaled interval, $(0,s)$, containing no levels,
$E_{\bt}(0,s)$, via Dyson's Coulomb Fluid approach. For the $\alpha=0$
Unitary-Laguerre Ensemble, we recover the exact spacing distribution found by
both Edelman and Forrester, wh... | 1993-09-10 | 2009-10-22 | [
"cond-mat"
] | Y. Chen and S. M. Manning |
cond-mat/9309009 | Comment on ``Magnetic Susceptibility of the two-dimensional Hubbard
model '' | The observed magnetic spin susceptibility of high-temperature superconductors
such as La$_{2- x}$Sr$_x$CuO$_4$ increases when $x$ increases from zero, i.e.
as one dopes away from half-filling. Recent Monte Carlo simulations of A. Moreo
(Phys. Rev. B {\bf 48}, 3380 (1993)) suggest that this behavior can be
reproduced by... | 1993-09-09 | 2009-10-22 | [
"cond-mat"
] | Liang Chen and A.-M.S. Tremblay (Universit\'e de Sherbrooke) |
cond-mat/9309008 | Effective t-J Hamiltonian for the Copper Oxides | Starting from the Emery model, which is assumed to describe the copper oxygen
planes, and including direct oxygen hopping matrix elements, we have been able
to derive the effective t-J Hamiltonian for the copper orbitals using the
Linked Cluster Expansion Method up to fourth order in the hybridization matrix
element. | 1993-09-09 | 2009-10-22 | [
"cond-mat"
] | J.J. Rodriguez-Nunez and Hans Beck |
cond-mat/9309006 | Charge and Spin Gap Formation in Exactly Solvable Hubbard Chains with
Long-Rang Hopping | We discuss the transition from a metal to charge or spin insulating phases
characterized by the opening of a gap in the charge or spin excitation spectra,
respectively. These transitions are addressed within the context of two exactly
solvable Hubbard and tJ chains with long range, $1/r$ hopping. We discuss the
specifi... | 1993-09-08 | 2009-10-22 | [
"cond-mat"
] | F. Gebhard, A.Girndt, and A.E. Ruckenstein |
cond-mat/9309007 | Exact scaling form for the collapsed 2D polymer phase | It has been recently argued that interacting self-avoiding walks (ISAW) of
length $ \ell , $ in their low temperature phase (i.e. below the $ \Theta
$-point) should have a partition function of the form: $$ Q_{\ell} \sim \mu^{
\ell}_ 0\mu^{ \ell^ \sigma}_ 1\ell^{ \gamma -1}\ , \eqno $$ where $ \mu_ 0(T) $
and $ \mu_ 1(... | 1993-09-08 | 2009-10-22 | [
"cond-mat"
] | Bertrand Duplantier |
cond-mat/9309004 | Instabilities of the Abrikosov-Suhl resonance | We consider the possibility that instabilities of the Abrikosov-Suhl
resonance lead to new fixed point behavior of the Kondo effect in a lattice
environment. In one scenario, a pairing component to the resonant scattering
develops in the Kondo lattice, leading to an odd frequency superconductor. We
discuss experiments ... | 1993-09-02 | 2019-08-15 | [
"cond-mat"
] | P. Coleman, E. Miranda and A. Tsvelik |
cond-mat/9309003 | Weak coupling model for s*- and d-wave superconductivity | The phase diagram of the unconstrained $t-J$ model is calculated using the
random phase approximation. It is found that the extended $s$ and the
$d_{x^2-y^2}$-channels are {\em not} degenerate near half filling. Extended
$s$-pairing with a low $T_c$ occurs only for a band containing less then 0.4
electrons or holes per... | 1993-09-02 | 2008-02-03 | [
"cond-mat"
] | D.van der Marel |
cond-mat/9309001 | Manifolds in random media: Beyond the variational approximation | In this paper we give a closed form expression for the $1/d$ corrections to
the self-energy characterizing the correction function of a manifold in random
media. This amounts to the first correction beyond the variational
approximation. At this time we were able to evaluate this corrections in the
high temperature ``ph... | 1993-09-01 | 2009-10-22 | [
"cond-mat",
"hep-th"
] | Yadin Y. Goldschmidt |
cond-mat/9309002 | Consistent low-energy reduction of the three-band model for copper
oxides with O-O hopping to the effective t-J model | A full three-band model for the CuO$_{2}$ plane with inclusion of all
essential interactions - Cu-O and O-O hopping, repulsion at the copper and
oxygen and between them - is considered. A general procedure of the low-energy
reduction of the primary Hamiltonian to the Hamiltonian of the generalized
$t$-$t'$-$J$ model is... | 1993-09-01 | 2009-10-22 | [
"cond-mat"
] | V.I. Belinicher and A.L. Chernyshev |
cond-mat/9308038 | Dissipative quantum systems modeled by a two level reservoir coupling | The coupling between a quantum dynamical system and a two-level system
reservoir is analysed within the framework of the Feynman-Vernon theory. We
stress the differences between this new reservoir and the well-known bath of
oscillators and show that, in order to obtain the Langevin equation for the
system of interest i... | 1993-08-31 | 2009-10-22 | [
"cond-mat",
"hep-ph"
] | A. O. Caldeira, A. H. Castro Neto and T. Oliveira de Carvalho |
cond-mat/9308037 | Structural Stability and Renormalization Group for Propagating Fronts | A solution to a given equation is structurally stable if it suffers only an
infinitesimal change when the equation (not the solution) is perturbed
infinitesimally. We have found that structural stability can be used as a
velocity selection principle for propagating fronts. We give examples, using
numerical and renormal... | 1993-08-31 | 2009-10-22 | [
"cond-mat",
"chao-dyn",
"nlin.CD"
] | G.C. Paquette, Lin-Yuan Chen, Nigel Goldenfeld, Y. Oono (Physics
Department, University of Illinois at Urbana-Champaign) |
cond-mat/9308036 | The representations of the Hubbard algebra in terms of spin-fermion
operators and motion of a hole in an antiferromagnetic state | The representation of the Hubbard operators in terms of the
spin$-\frac{1}{2}$ operators and the fermion operator with spin$-\frac{1}{2}$
is proposed.
In the low-energy limit this representation is reduced to the representation
following from the Hubbard diagramm technique. In framework of this approach
motion of a h... | 1993-08-27 | 2007-05-23 | [
"cond-mat"
] | V.I.Belinicher and A.L.Chernyshev |
cond-mat/9308035 | Low-energy limit of the three-band model for electrons in a CuO$_{2}$
plane | The three-band model with the O-O direct hopping near to unit filling is
considered. We present the general procedure of reduction of this model to the
low-energy limit. At unit filling the three-band model in the charge-transfer
limit is reduced to the Heisenberg model and we calculate the superexchange
constant. For ... | 1993-08-27 | 2009-10-22 | [
"cond-mat"
] | V.I.Belinicher and A.L.Chernyshev |
cond-mat/9308034 | Reduction of three-band model for copper oxides to single-band
generalized t~-~J model | A three-band model for copper oxides in the region of parameters where the
second hole on the copper has energy close to the first hole on the oxygen is
considered. The exact solution for one hole on a ferromagnetic background of
the ordered copper spins is obtained. A general procedure for transformation of
the primar... | 1993-08-27 | 2009-10-22 | [
"cond-mat"
] | V.I. Belinicher and A.L. Chernyshev |
cond-mat/9308033 | Phase Transition Study of Superconducting Microstructures | The presented results are part of a feasibility study of superheated
superconducting microstructure detectors. The microstructures (dots) were
fabricated using thin film patterning techniques with diameters ranging from
$50\mu$m up to $500\mu$m and thickness of $1\mu$m. We used arrays and single
dots to study the dynam... | 1993-08-27 | 2009-10-22 | [
"cond-mat"
] | C. Berger, et al |
cond-mat/9308032 | Collective Coulomb Blockade in an Array of Quantum Dots: A Mott-Hubbard
Approach | We investigate the electron addition spectrum in a class of Hubbard-like
models which describe arrays of coupled quantum dots. Interdot tunneling leads
to a sequence of two phase transitions separating a region of collective
Coulomb blockade from a region where the Coulomb blockade of individual dots is
maintained and ... | 1993-08-26 | 2007-05-23 | [
"cond-mat"
] | C. A. Stafford and S. Das Sarma |
cond-mat/9308031 | In-Plane Magnetic Field Induced Anisotropy of 2D Fermi Contours and the
Field Dependent Cyclotron Mass | The electronic structure of a 2D gas subjected to a tilted magnetic field,
with a strong component parallel to the GaAs/AlGaAs interface and a weak
component oriented perpendicularly, is studied theoretically. It is shown that
the parallel field component modifies the originally circular shape of a Fermi
contour while ... | 1993-08-25 | 2009-10-22 | [
"cond-mat"
] | L.Smrcka and T.Jungwirth (Institute of Physics ASCR, Prague, Czech
Republic) |
cond-mat/9308030 | The Quartet State of the Two-Dimensional Heisenberg Model with Spin 1/2
on a Square Lattice | The low-energy properties of the two-dimensional Heisenberg model with
spin-$\frac{1}{2}$ on a square lattice are investigated on the basis of the
local dimer order. The lattice is divided into square blocks consisting of the
quartet of spins. The spin variables and the Heisenberg Hamiltonian are
expressed in terms of ... | 1993-08-23 | 2015-06-25 | [
"cond-mat"
] | V.I.Belinicher and L.V.Popovich |
cond-mat/9308028 | Phase separation and pairing in coupled chains and planes | A generalization of the $t-J$ model in a system of two coupled chains or
planes is studied by numerical diagonalization of small clusters. In
particular, the effect of density fluctuations between these one- or
two-dimensional coupled layerson intralayer phase separation and pairing is
analyzed. The most robust signals... | 1993-08-20 | 2009-10-22 | [
"cond-mat"
] | Jose A. Riera (Physics Division, ORNL, Oak Ridge, Tennessee, USA) |
cond-mat/9308029 | Kinetic Theory of Flux Line Hydrodynamics:LIQUID Phase with Disorder | We study the Langevin dynamics of flux lines of high--T$_c$ superconductors
in the presence of random quenched pinning. The hydrodynamic theory for the
densities is derived by starting with the microscopic model for the flux-line
liquid. The dynamic functional is expressed as an expansion in the dynamic
order parameter... | 1993-08-20 | 2009-10-22 | [
"cond-mat"
] | Leo Radzihovsky and Erwin Frey |
cond-mat/9308027 | Cluster diagonalization in systematically expanded Hilbert spaces:
application to models of correlated electrons | A method of cluster diagonalization in a systematically expanded Hilbert
space is described. We discuss some applications of this procedure to models of
high-T_c superconductors, like the t - J and one and three bands Hubbard models
in two dimensions. The results obtained with this method are compared against
results o... | 1993-08-19 | 2009-10-22 | [
"cond-mat"
] | Jose' Riera and Elbio Dagotto |
cond-mat/9308026 | Random Exchange Disorder in the Spin-1/2 XXZ Chain | The one-dimensional XXZ model is studied in the presence of disorder in the
Heisenberg Exchange Integral. Recent predictions obtained from renormalization
group calculations are investigated numerically using a Lanczos algorithm on
chains of up to 18 sites. It is found that in the presence of strong
X-Y-symmetric rando... | 1993-08-18 | 2016-08-31 | [
"cond-mat"
] | Stephan Haas, Jose Riera and Elbio Dagotto |
cond-mat/9308025 | Tuning of the CDW in the Halogen-Bridged Transition-Metal Linear-Chain
Compounds | Local-density-approximation calculations are used to show that the
metal-metal distance along the chains controls the charge-density wave (CDW) in
halogen-bridged transition-metal linear-chain (MX) compounds. The strength of
the CDW can be understood in terms of a two band Su-Schrieffer-Heeger model if
a hard-core ion-... | 1993-08-18 | 2009-10-22 | [
"cond-mat"
] | M. Alouani, J. W. Wilkins, R. C. Albers, and J. M. Wills |
cond-mat/9308024 | Weak-coupling expansions for the attractive Holstein and Hubbard models | Weak-coupling expansions (conserving approximations) are carried out for the
attractive Holstein and Hubbard models (on an infinite-dimensional hypercubic
lattice) that include all bandstructure and vertex correction effects. Quantum
fluctuations are found to renormalize transition temperatures by factors of
order unit... | 1993-08-17 | 2009-10-22 | [
"cond-mat"
] | J. K. Freericks and D. J. Scalapino |
cond-mat/9308023 | Avalanches and Correlations in Driven Interface Depinning | We study the critical behavior of a driven interface in a medium with random
pinning forces by analyzing spatial and temporal correlations in a lattice
model recently proposed by Sneppen [Phys. Rev. Lett. {\bf 69}, 3539 (1992)].
The static and dynamic behavior of the model is related to the properties of
directed perco... | 1993-08-16 | 2009-10-22 | [
"cond-mat"
] | Heiko Leschhorn and Lei-Han Tang |
cond-mat/9308022 | Holes in a Two-Dimensional Quantum Antiferromagnet | A brief review is presented on the studies of the hole motion in a
two--dimensional quantum antiferromagnet. An extended introduction is given to
cover the background of the problem. The quantum Bogoliubov--de Gennes
formalism which treats the local distortion of the spin configuration and the
quantum renormalization p... | 1993-08-13 | 2007-05-23 | [
"cond-mat"
] | Lu YU, Zhao-bin SU, and Yan-min LI |
cond-mat/9308021 | Boundary-induced anisotropy of the avalanches in the sandpile automaton | We study numerically the avalanches in a two--dimensional critical height
sandpile model with sand grains added at the center of the system. Smaller
avalanches near the center of the system are isotropic. Larger avalanches are,
however, affected by the boundary of the system, to a degree that increases
with the avalanc... | 1993-08-13 | 2009-10-22 | [
"cond-mat"
] | Gongwen Peng and Hans Herrmann |
cond-mat/9308020 | Escape of trapped electrons from a helium surface: a dynamical theory | We present a dynamical theory which incorporates the electron-electron
correlations and the effects of external magnetic fields for an electron
escaping from a helium surface. Analytical expressions for the escape rate can
be obtained in various limits. In particular, the tunneling rate with a
parallel magnetic field i... | 1993-08-13 | 2009-10-22 | [
"cond-mat"
] | Ping Ao (University of Washington, Seattle, WA, USA) |
cond-mat/9308019 | Numerical Transfer-Matrix Study of Metastability in the d=2 Ising Model | We apply a generalized numerical transfer-matrix method to the 2-d Ising
ferro- magnet in a nonzero field to obtain complex constrained free energies.
Below $T_c$ certain eigenstates of the transfer matrix are identified as
representing a metastable phase. The imaginary parts of the metastable
constrained free energies... | 1993-08-12 | 2009-10-22 | [
"cond-mat"
] | C.C.A. Guenther, Per Arne Rikvold, and M.A. Novotny |
cond-mat/9308017 | Capacitance of a Double-Heterojunction GaAs/AlGaAs Structure Subjected
to In-Plane Magnetic Fields: Results of Self-Consistent Calculations | The capacitance of a double-heterojunction structure with a wide GaAs undoped
layer embedded between two selectively doped AlGaAs barriers is calculated
self-consistently as a function of intensity of the in-plane magnetic field.
With increasing field intensity the capacitance initially increases and after
reaching a m... | 1993-08-12 | 2009-10-22 | [
"cond-mat"
] | T. Jungwirth, L. Smrcka (Institute of Physics, Acad. of Sci. of Czech
Rep.) |
cond-mat/9308016 | A Commercial Gas Analyzer Adapted for Thermal Desorption Studies | Description of TDS system, easy to implement-low budget (5 fig. on request).
System might be useful to determine oxygen in High Tc superconductors. Paper
accepted in Revista Mexicana de Fisica. | 1993-08-11 | 2007-05-23 | [
"cond-mat"
] | A. L. Cabrera, Erie Morales, L. Altamirano and P. Espinoza |
cond-mat/9308015 | Correlated Mean Field Ansatz for the Kondo Necklace | We study the ground state phase diagram of the pseudospin model introduced by
Doniach to describe the essential physics of Kondo lattices. We use variational
trial states which augment the usual mean field solution by incorporating
various intersite correlations. A composite spin correlation describing the
antiparallel... | 1993-08-11 | 2013-07-22 | [
"cond-mat"
] | H.Y. Kee and P. Fazekas (International Centre for Theoretical Physics,
Trieste, Italy) |
cond-mat/9308014 | Surfactant-Mediated Surface Growth: Nonequilibrium Theory | A number of recent experiments have showed that surfactants can modify the
growth mode of an epitaxial film, suppressing islanding and promoting
layer-by-layer growth. Here a set of coupled equations are introduced to
describe the coupling between a growing interface and a thin surfactant layer
deposited on the top of ... | 1993-08-10 | 2016-11-03 | [
"cond-mat"
] | Albert-Laszlo Barabasi |
cond-mat/9308011 | Universal Scaling of Strong-Field Localization in an Integer Quantum
Hall Liquid | We study the Landau level localization and scaling properties of a disordered
two-dimensional electron gas in the presence of a strong external magnetic
field. The impurities are treated as random distributed scattering centers with
parameterized potentials. Using a transfer matrix for a finite-width strip
geometry, we... | 1993-08-09 | 2009-10-22 | [
"cond-mat"
] | Dongzi Liu and S. Das Sarma |
cond-mat/9308012 | Scaling Behavior of the Activated Conductivity in a Quantum Hall Liquid | We propose a scaling model for the universal longitudinal conductivity near
the mobility edge for the integer quantum Hall liquid. We fit our model with
available experimental data on exponentially activated conductance near the
Landau level tails in the integer quantum Hall regime. We obtain quantitative
agreement bet... | 1993-08-09 | 2009-10-22 | [
"cond-mat"
] | S. Das Sarma and Dongzi Liu |
cond-mat/9308013 | On the Theory of "Odd"-Pairing Superconductors | We consider the model of superconducting pairing with the energy gap function
which is odd over $k-k_{F}$.\ In this case superconductivity is possible even
in the presence of an arbitrarily large point-like repulsion between
electrons,\ which is attractive for the theory of high-temperature
superconductors.\ We discuss... | 1993-08-09 | 2007-05-23 | [
"cond-mat"
] | E.Z.Kuchinskii, M.V.Sadovskii, M.A.Erkabaev |
cond-mat/9308009 | Corner transfer matrix of generalised free Fermion vertex systems | The Hamiltonian limit of the corner transfer matrix (CTM) of a generalised
free Fermion vertex system of finite size leads to a quantum spin Hamiltonian
of the particular form: \[ {\cal H}_N=-\sum_{n=1}^{N-1}\left\{ n\left(
\sigma_n^x\sigma_{n+1}^x
+\lambda\sigma_n^y\sigma_{n+1}^y
+h(\sigma_n^z+\sigma_{n+1}^z)
... | 1993-08-06 | 2008-02-03 | [
"cond-mat"
] | H.-P. Eckle and T. T. Truong |
cond-mat/9308010 | An Exact Diagonalization Demonstration of Incommensurability and Rigid
Band Filling for N Holes in the t-J Model | We have calculated S(q) and the single particle distribution function <n(q)>
for N holes in the t - J model on a non--square sqrt{8} X sqrt{32} 16--site
lattice with periodic boundary conditions; we justify the use of this lattice
in compariosn to those of having the full square symmetry of the bulk. This new
cluster h... | 1993-08-06 | 2009-10-22 | [
"cond-mat"
] | R.J. Gooding, K.J.E. Vos, and P.W. Leung |
cond-mat/9308006 | Bose-Fermi Transformation In Three Dimensional Space | A generalization of the Jordan-Wigner transformation to three (or higher)
dimensions is constructed. The nonlocal mapping of spin to fermionic variables
is expressed as a gauge transformation with topological charge equal to one.
The resulting fermionic theory is minimally coupled to a nonabelian gauge field
in a spont... | 1993-08-05 | 2009-10-22 | [
"cond-mat",
"hep-th"
] | Luis Huerta and Jorge Zanelli |
cond-mat/9308007 | The Rokhsar-Kivelson Model of Quantum Dimers as a Gas of Free Fermionic
Strings | The $2+1$-dimensional quantum dimer model on a square lattice, proposed by
Rokhsar and Kivelson as a theory of layered superconductivity, is shown to be
equivalent to a many-body theory of free, transversely oscillating strings
obeying Fermi statistics. A Jordan-Wigner construction for string field
operators is present... | 1993-08-05 | 2010-11-01 | [
"cond-mat",
"hep-lat",
"hep-th"
] | Peter Orland |
cond-mat/9308008 | On superconducting instability in non-Fermi liquid: scaling approach | The superconducting instability in a non-Fermi liquid in $ d>1$ is
considered. For a particular form of the single particle spectral function with
homogeneous scaling $A(\Lambda k, \Lambda \omega) = \Lambda^{\alpha} A(k,
\omega)$ it is shown that the pair susceptibility is also a scaling function of
temperature with po... | 1993-08-05 | 2009-10-22 | [
"cond-mat"
] | A.V. Balatsky |
cond-mat/9308004 | Scattering Matrix and Excitation Spectrum of the Hubbard Model | We consider the one-dimensional Hubbard model at half filling. We show that
both excitation spectrum and S-matrix are determined by the SO(4) symmetry of
the model. The complete set of excitations is given by the scattering states
four elementary excitations, which form the fundamental representation of
SO(4). We evalu... | 1993-08-04 | 2009-10-22 | [
"cond-mat",
"hep-th"
] | Fabian H.L. Essler and Vladimir E. Korepin |
cond-mat/9308005 | Stochastic Neural Networks with the Weighted Hebb Rule | Neural networks with synaptic weights constructed according to the weighted
Hebb rule, a variant of the familiar Hebb rule, are studied in the presence of
noise(finite temperature), when the number of stored patterns is finite and in
the limit that the number of neurons $N\rightarrow
\infty$. The fact that different ... | 1993-08-04 | 2009-10-22 | [
"cond-mat",
"adap-org",
"nlin.AO"
] | Caren Marzban and Raju Viswanathan |
cond-mat/9308003 | On Toy Aging | We consider the dynamics of a simple one dimensional model and we discuss the
phenomenon of aging (i.e., the strong dependence of the dynamical correlation
functions over the waiting time). Our model is the so-called random random
walk, the toy model of a directed polymer evolving in a random medium. | 1993-08-03 | 2009-10-22 | [
"cond-mat",
"hep-lat",
"hep-th"
] | Enzo Marinari and Giorgio Parisi |
cond-mat/9308002 | Realization of a Spin liquid in a Two Dimensional Quantum
Antiferromagnet | The ground state properties of the two dimensional spatially anisotropic
Heisenberg model are investigated by use of field theory mappings, spin-wave
expansion and Lanczos technique. Evidence for a disorder transition induced by
anisotropy at about $J_y/J_x < 0.1$ is shown. We argue that the disordered
phase is gapless... | 1993-08-03 | 2016-08-31 | [
"cond-mat"
] | A. Parola, S. Sorella and Q. F. Zhong |
cond-mat/9308001 | Numerical Evidence of Luttinger and Fermi Liquid Behaviour in the 2D
Hubbard Model | The two dimensional Hubbard model with a single spin-up electron interacting
with a finite density of spin-down electrons is studied using the quantum
Monte Carlotechnique, a new conjugate gradient method for the evaluation of
the Edwards wavefunction ansatz, and the standard second order perturbation
theory. We perf... | 1993-08-02 | 2009-10-22 | [
"cond-mat"
] | Sandro Sorella |
cond-mat/9307067 | Variational bound for the energy of two-dimensional quantum
antiferromagnet | We obtain the variational upper bound for the ground- state energy of
two-dimensional antiferromagnetic Heisenberg model on a square lattice at
arbitrary value of the anisotropy parameter using the two-dimensional
generalization of Jordan-Wigner transformation. Our result can be considered as
an upper bound for the per... | 1993-08-01 | 2007-05-23 | [
"cond-mat"
] | A.A.Ovchinnikov |
cond-mat/9307066 | There are No Unfilled Shells in Hartree-Fock Theory | Hartree-Fock theory is supposed to yield a picture of atomic shells which may
or may not be filled according to the atom's position in the periodic table. We
prove that shells are always completely filled in an exact Hartree-Fock
calculation. Our theorem generalizes to any system having a two-body
interaction that, lik... | 1993-07-30 | 2009-10-22 | [
"cond-mat"
] | V. Bach, E.H. Lieb, M. Loss and J.P. Solovej |
cond-mat/9307064 | Deterministic Models for Traffic Jams | We study several deterministic one-dimensional traffic models. For integer
positions and velocities we find the typical high and low density phases
separated by a simple transition. If positions and velocities are continuous
variables the model shows self-organized criticality driven by the slowest car. | 1993-07-30 | 2009-10-22 | [
"cond-mat"
] | Kai Nagel, Hans J. Herrmann |
cond-mat/9307063 | Decoupling in the 1D frustrated quantum XY model and Josephson junction
ladders: Ising critical behavior | A generalization of the one-dimensional frustrated quantum XY model is
considered in which the inter and intra-chain coupling constants of the two
infinite XY (planar rotor) chains have different strengths. The model can
describe the superconductor to insulator transition due to charging effects in
a ladder of Josephso... | 1993-07-29 | 2009-10-22 | [
"cond-mat"
] | E. Granato |
cond-mat/9307059 | Renormalization and Hyperscaling for Self-Avoiding Manifold Models | The renormalizability of the self-avoiding manifold (SAM) Edwards model is
established. We use a new short distance multilocal operator product expansion
(MOPE), which extends methods of local field theories to a large class of
models with non-local singular interactions. This validates the direct
renormalization metho... | 1993-07-29 | 2009-10-22 | [
"cond-mat",
"hep-th"
] | F. David, B. Duplantier and E. Guitter |
cond-mat/9307061 | Quantum Chemistry, Anomalous Dimensions, and the Breakdown of Fermi
Liquid Theory in Strongly Correlated Systems | We formulate a local picture of strongly correlated systems as a Feynman sum
over atomic configurations. The hopping amplitudes between these atomic
configurations are identified as the renormalization group charges, which
describe the local physics at different energy scales. For a metallic system
away from half-filli... | 1993-07-29 | 2015-06-25 | [
"cond-mat"
] | Gabriel Kotliar and Qimiao Si |
cond-mat/9307062 | Spin Dynamics in the Normal State of High T_c Superconductors | We summarize our recent theoretical studies on the spin dynamics in the
normal state of the metallic cuprates. The contrasting wave vector dependence
of the dynamical spin structure factor $S({\bf q}, \omega )$ in LaSrCuO and
YBaCuO systems are attributed to the differences in the fermiology, in
conjunction with strong... | 1993-07-29 | 2015-06-25 | [
"cond-mat"
] | Qimiao Si |
cond-mat/9307060 | Metallic Non-Fermi Liquid Phases of an Extended Hubbard Model in
Infinite Dimensions | We study an extended Hubbard model in the limit of infinite dimensions and
its zero dimensional counterpart, a generalized asymmetric Anderson model. In
the impurity model we find three kinds of mixed valence states: a) the usual
strong coupling state in which a resonance forms at the Fermi level; b) a weak
coupling st... | 1993-07-29 | 2009-10-22 | [
"cond-mat"
] | Qimiao Si and Gabriel Kotliar |
cond-mat/9307065 | Chaos in short-range spin glasses | The nature of static chaos in Ising spin glasses is studied. For the problem
of chaos with magnetic field, scaling relations in the case of the SK model and
short-range models are presented. Our results also suggest that if there is de
Almeida-Thouless line then it is similar to that of mean-field theory for d=4
and cl... | 1993-07-29 | 2007-05-23 | [
"cond-mat"
] | Felix Ritort |
cond-mat/9307058 | Elastic anomaly of heavy fermion systems in a crystalline field II | An elastic anomaly, observed in the heavy Fermi liquid state of Ce alloys
(for example, CeCu_6 and CeTe), is analyzed by using the infinite-U Anderson
lattice model. Four atomic energy levels are assumed for f-electrons. Two of
them are mutually degenerate. A small crystalline splitting 2 Delta is assumed
between two e... | 1993-07-28 | 2007-05-23 | [
"cond-mat"
] | Kikuo Harigaya and G. A. Gehring (Department of Physics, University of
Sheffield, Sheffield, United Kingdom) |
cond-mat/9307057 | A comparison of FQHE quasi-electron trial wave functions on the disk | The various proposals for FQHE quasi-electron trial wave functions are
reconsidered. In a short-range model for the electronic interaction, the energy
expectation values of four different trial wave functions are calculated at
filling factor $\frac{1}{3}$ for up to ten electrons in the disk geometry.
Jain's trial wave ... | 1993-07-28 | 2007-05-23 | [
"cond-mat"
] | M. Kasner and W. Apel |
cond-mat/9307056 | Phase Transitions and Vortex Line Entanglement in a Model High
Temperature Superconductor | Monte Carlo simulations of the uniformly frustrated 3d XY model are used to
model vortex line fluctuations in high temperature superconductors in an
applied magnetic field. We find two distinct phase transitions. At a lower
T_{c\perp}, the vortex lattice melts and coherence is lost in planes
perpendicular to the magnet... | 1993-07-27 | 2009-10-22 | [
"cond-mat"
] | Ying-Hong Li and S. Teitel |
cond-mat/9307055 | Holons in Chiral Spin-Liquids: Statistics and Pairing | We study Gutzwiller-projected variational wavefunctions for charged, spinless
holon excitations in chiral spin liquids. We find that these states describe
anyons, with a statistical phase $\Phi_s$ that is continuously adjustable
between $0$ and $\pi/2$, depending on a variational parameter. The statistical
flux attache... | 1993-07-27 | 2016-08-31 | [
"cond-mat"
] | D.M. Deaven, D.S. Rokhsar, A. Barbieri (Physics Dept UCB, Berkeley,
CA) |
cond-mat/9307054 | Density Waves in Granular Flow: A Kinetic Wave Approach | It was recently observed that sand flowing down a vertical tube sometimes
forms a traveling density pattern in which a number of regions with high
density are separated from each other by regions of low density. In this work,
we consider this behavior from the point of view of kinetic wave theory.
Similar density patte... | 1993-07-26 | 2016-08-14 | [
"cond-mat"
] | Jysoo Lee and Michael Leibig (HLRZ-KFA J\"ulich, Postfach 1913, W-5170
J\"ulich, Germany) |
cond-mat/9307053 | Generalizations of the KPZ equation (minor changes to enable easy
latexing) | We generalize the KPZ equation to an O(3) $N=2j+1$ component model. In the
limit $N \to \infty$ we show that the mode coupling equations become exact.
Solving these approximately we find that the dynamic exponent $z$ increases
from $3/2$ for $d=1$ to $2$ at the dimension $d\approx3.6$. For $d=1$ it can be
shown analyti... | 1993-07-26 | 2008-02-03 | [
"cond-mat"
] | J. P. Doherty, M. A. Moore, J. M. Kim and A. J. Bray |
cond-mat/9307051 | Resonant Tunneling and the Pauli Principle | A new method based on modified optical Bloch equations is proposed for
studying resonant tunneling in semiconductor heterostructures. The method
manifestly takes account of electrons' statistics, which enables to investigate
the influence of the Pauli principle on resonant tunneling in presence of
inelastic scattering.... | 1993-07-25 | 2007-05-23 | [
"cond-mat"
] | S. A. Gurvitz, H. J. Lipkin, and Ya. S. Prager |
cond-mat/9307052 | Extended states in 1D lattices: application to quasiperiodic copper-mean
chain | The question of the conditions under which 1D systems support extended
electronic eigenstates is addressed in a very general context. Using real space
renormalisation group arguments we discuss the precise criteria for determining
the entire spertrum of extended eigenstates and the corresponding
eigenfunctions in disor... | 1993-07-24 | 2009-10-22 | [
"cond-mat"
] | S. Sil, S. N. Karmakar, R. K. Moitra and Arunava Chakrabarti |
cond-mat/9307048 | Finite-Wavevector Electromagnetic Response of Fractional Quantized Hall
States | A fractional quantized Hall state with filling fraction $\nu = p/(2mp+1)$ can
be modeled as an integer quantized Hall state of transformed fermions,
interacting with a Chern-Simons field. The electromagnetic response function
for these states at arbitrary frequency and wavevector can be calculated using
a semiclassical... | 1993-07-21 | 2009-10-22 | [
"cond-mat"
] | Steven H. Simon and Bertrand I. Halperin |
cond-mat/9307050 | Locally Disordered Lattices in Strong ac Electric Fields | We develop a formalism to study the role of local defects in tight binding
systems in the presence of a strong external ac electric field. It is found
that the appearance and disappearance of localized states, as well as their
localization lengths, can be controlled by the amplitude or frequency of the
driving field. T... | 1993-07-21 | 2009-10-22 | [
"cond-mat"
] | D. Hone and M. Holthaus |
cond-mat/9307046 | Quantum Critical Scaling in a Moderately Doped Antiferromagnet | Using high temperature expansions for the equal time correlator $S(q)$ and
static susceptibility $\chi(q)$ for the t-J model, we present evidence for
quantum critical (QC), $z\!=\!1$, behavior at intermediate temperatures in a
broad range of $t/J$ ratio, doping, and temperatures. We find that the
dynamical susceptibili... | 1993-07-21 | 2009-10-22 | [
"cond-mat"
] | Alexander Sokol, Rodney L. Glenister, and Rajiv R.P. Singh |
cond-mat/9307049 | Local Density of States and Level Width for Wannier-Stark Ladders | The local density of states \rho(x,E) is calculated for a Bloch electron in
an electric field. Depending on the system size, we can see one or more
sequences of Wannier-Stark ladders in \rho(x,E), with Lorentz type level widths
and apparent spatial localization of the states. Our model is a chain of delta
function pote... | 1993-07-21 | 2009-10-22 | [
"cond-mat"
] | M.C.Chang and Q.Niu |
cond-mat/9307047 | What Does The Korringa Ratio Measure? | We present an analysis of the Korringa ratio in a dirty metal, emphasizing the case where a Stoner enhancement of the uniform susceptibilty is present. We find that the relaxation rates are significantly enhanced by disorder, and that the inverse problem of determining the bare density of states from a study of the cha... | 1993-07-21 | 2025-07-04 | [
"cond-mat"
] | B. Sriram Shastry (AT& T Bell Laboratories, Murray Hill, New Jersey), Elihu Abrahams (Serin Physics Laboratory, Rutgers University, Piscataway, New Jersey) |
cond-mat/9307044 | A Gaussian Theory of Superfluid--Bose-Glass Phase Transition | We show that gaussian quantum fluctuations, even if infinitesimal, are
sufficient to destroy the superfluidity of a disordered boson system in 1D and
2D. The critical disorder is thus finite no matter how small the repulsion is
between particles. Within the gaussian approximation, we study the nature of
the elementary ... | 1993-07-20 | 2009-10-22 | [
"cond-mat"
] | P Nisamaneephong, L. Zhang and M. Ma |
cond-mat/9307043 | Adsorption of Line Segments on a Square Lattice | We study the deposition of line segments on a two-dimensional square lattice.
The estimates for the coverage at jamming obtained by Monte-Carlo simulations
and by $7^{th}$-order time-series expansion are successfully compared. The
non-trivial limit of adsorption of infinitely long segments is studied, and the
lattice c... | 1993-07-20 | 2009-10-22 | [
"cond-mat"
] | B. Bonnier, M. Hontebeyrie, Y. Leroyer, C. Meyers, E. Pommiers |
cond-mat/9307042 | Thouless number and spin diffusion in quantum Heisenberg ferromagnets | Using an analogy between the conductivity tensor of electronic systems and
the spin stiffness tensor of spin systems, we introduce the concept of the
Thouless number $g_0$ and the dimensionless frequency dependent conductance $g(
\omega )$ for quantum spin models. It is shown that spin diffusion implies the
vanishing o... | 1993-07-20 | 2015-06-25 | [
"cond-mat"
] | Peter Kopietz |
cond-mat/9307045 | Dynamics of Interfaces in Superconductors | The dynamics of an interface between the normal and superconducting phases
under nonstationary external conditions is studied within the framework of the
time-dependent Ginzburg-Landau equations of superconductivity, modified to
include thermal fluctuations. An equation of motion for the interface is
derived in two ste... | 1993-07-20 | 2009-10-22 | [
"cond-mat"
] | Alan T. Dorsey |
cond-mat/9307040 | Evolution of Magnetic Properties of Lightly Doped Copper Oxides | We study how doping destroys the AF order in the layered cuprates within the
framework of the charge--transfer insulator concept. We use the criterion of
stability of the AF background to show that the stability problem is one of the
main issues in any correspondence between results for the $t-J$ model and, say,
the th... | 1993-07-19 | 2007-05-23 | [
"cond-mat"
] | L. P. Gor'kov (1), V. Nikos Nicopoulos (2), and Pradeep Kumar (2) ((1)
National High Magnetic Field Laboratory and (2) University of Florida) |
cond-mat/9307041 | Fractional Quantum Hall Effect, Cranked Harmonic Oscillator, and
Classical Periodic Orbits | A two-dimensional harmonic oscillator, when rotated by the oscillator
frequency, generates Landau-like levels. A further cranking results in
condensates and gaps resembling the fractional quantum Hall effect. For a
filling fraction $\nu=p/q$, with $q$ odd, the model predicts that the gap is
proportional to $\sqrt{n_{e}... | 1993-07-19 | 2007-05-23 | [
"cond-mat"
] | R.K.Bhaduri, Shuxi Li, Kaori Tanakaa and J.C.Waddington |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.