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Reaction-diffusion processes and metapopulation models in heterogeneous
networks: Dynamical reaction-diffusion processes and meta-population models are
standard modeling approaches for a wide variety of phenomena in which local
quantities - such as density, potential and particles - diffuse and interact
according to ... | cond-mat_stat-mech |
Many-body Localization with Dipoles: Systems of strongly interacting dipoles offer an attractive platform to study
many-body localized phases, owing to their long coherence times and strong
interactions. We explore conditions under which such localized phases persist
in the presence of power-law interactions and supple... | cond-mat_stat-mech |
Financial Modeling and Option Theory with the Truncated Levy Process: In recent studies the truncated Levy process (TLP) has been shown to be very
promising for the modeling of financial dynamics. In contrast to the Levy
process, the TLP has finite moments and can account for both the previously
observed excess kurtosi... | cond-mat_stat-mech |
Thermodynamics of feedback controlled systems: We compute the entropy reduction in feedback controlled systems due to the
repeated operation of the controller. This was the lacking ingredient to
establish the thermodynamics of these systems, and in particular of Maxwell's
demons. We illustrate some of the consequences ... | cond-mat_stat-mech |
Dynamics and correlations in Motzkin and Fredkin spin chains: The Motzkin and Fredkin quantum spin chains are described by frustration-free
Hamiltonians recently introduced and studied because of their anomalous
behaviors in the correlation functions and in the entanglement properties. In
this paper we analyze their qu... | cond-mat_stat-mech |
Interevent time distribution, burst, and hybrid percolation transition: Critical phenomena of a second-order percolation transition are known to be
independent of cluster merging or pruning process. However, those of a hybrid
percolation transition (HPT), mixed properties of both first-order and
second-order transition... | cond-mat_stat-mech |
A new effective-field technique for the ferromagnetic spin-1 Blume-Capel
model in a transverse crystal field: A new approximating technique is developed so as to study the quantum
ferromagnetic spin-1 Blume-Capel model in the presence of a transverse crystal
field in the square lattice. Our proposal consists of appro... | cond-mat_stat-mech |
From Linear to Nonlinear Responses of Thermal Pure Quantum States: We propose a self-validating scheme to calculate the unbiased responses of
quantum many-body systems to external fields of arbibraty strength at any
temperature. By switching on a specified field to a thermal pure quantum state
of an isolated system, an... | cond-mat_stat-mech |
Evaluating the RiskMetrics Methodology in Measuring Volatility and
Value-at-Risk in Financial Markets: We analyze the performance of RiskMetrics, a widely used methodology for
measuring market risk. Based on the assumption of normally distributed returns,
the RiskMetrics model completely ignores the presence of fat t... | cond-mat_stat-mech |
q-Gaussians in the porous-medium equation: stability and time evolution: The stability of $q$-Gaussian distributions as particular solutions of the
linear diffusion equation and its generalized nonlinear form,
$\pderiv{P(x,t)}{t} = D \pderiv{^2 [P(x,t)]^{2-q}}{x^2}$, the
\emph{porous-medium equation}, is investigated t... | cond-mat_stat-mech |
Nonlinear transport in inelastic Maxwell mixtures under simple shear
flow: The Boltzmann equation for inelastic Maxwell models is used to analyze
nonlinear transport in a granular binary mixture in the steady simple shear
flow. Two different transport processes are studied. First, the rheological
properties (shear an... | cond-mat_stat-mech |
Bose-Einstein Condensation, the Lambda Transition, and Superfluidity for
Interacting Bosons: Bose-Einstein condensation and the $\lambda$-transition are described in
molecular detail for bosons interacting with a pair potential. New phenomena
are identified that are absent in the usual ideal gas treatment. Monte Carl... | cond-mat_stat-mech |
Refrustration and competing orders in the prototypical Dy2Ti2O7 spin ice
material: Spin ices, frustrated magnetic materials analogous to common water ice, are
exemplars of high frustration in three dimensions. Recent experimental studies
of the low-temperature properties of the paradigmatic Dy$_2$Ti$_2$O$_7$ spin
ice... | cond-mat_stat-mech |
Scaling functions and amplitude ratios for the Potts model on an
uncorrelated scale-free network: We study the critical behaviour of the $q$-state Potts model on an
uncorrelated scale-free network having a power-law node degree distribution
with a decay exponent $\lambda$. Previous data show that the phase diagram of... | cond-mat_stat-mech |
A Fluid Dynamic Model for the Movement of Pedestrians: A kind of fluid dynamic description for the collective movement of
pedestrians is developed on the basis of a Boltzmann-like gaskinetic model. The
differences between these pedestrian specific equations and those for ordinary
fluids are worked out, for example conc... | cond-mat_stat-mech |
Synchronization and directed percolation in coupled map lattices: We study a synchronization mechanism, based on one-way coupling of
all-or-nothing type, applied to coupled map lattices with several different
local rules. By analyzing the metric and the topological distance between the
two systems, we found two differe... | cond-mat_stat-mech |
Effects of the randomly distributed magnetic field on the phase diagrams
of the transverse Ising thin film: The effect of the zero centered Gaussian random magnetic field distribution
on the phase diagrams and ground state magnetizations of the transverse Ising
thin film has been investigated. As a formulation, the d... | cond-mat_stat-mech |
Phase separation in a wedge. Exact results: The exact theory of phase separation in a two-dimensional wedge is derived
from the properties of the order parameter and boundary condition changing
operators in field theory. For a shallow wedge we determine the passage
probability for an interface with endpoints on the bou... | cond-mat_stat-mech |
Phase separation in fluids exposed to spatially periodic external fields: We consider the liquid-vapor type phase transition for fluids confined within
spatially periodic external fields. For a fluid in d=3 dimensions, the periodic
field induces an additional phase, characterized by large density modulations
along the ... | cond-mat_stat-mech |
An extended scaling analysis of the S=1/2 Ising ferromagnet on the
simple cubic lattice: It is often assumed that for treating numerical (or experimental) data on
continuous transitions the formal analysis derived from the Renormalization
Group Theory can only be applied over a narrow temperature range, the "critical... | cond-mat_stat-mech |
Jamming vs. Caging in Three Dimensional Jamming Percolation: We investigate a three-dimensional kinetically-constrained model that
exhibits two types of phase transitions at different densities. At the jamming
density $ \rho_J $ there is a mixed-order phase transition in which a finite
fraction of the particles become ... | cond-mat_stat-mech |
Landauer's erasure principle in non-equilibrium systems: In two recent papers, Maroney and Turgut separately and independently show
generalisations of Landauer's erasure principle to indeterministic logical
operations, as well as to logical states with variable energies and entropies.
Here we show that, although Turgut... | cond-mat_stat-mech |
Stochastic PDEs: domain formation in dynamic transitions: Spatiotemporal evolution in the real Ginzburg-Landau equation is studied with
space-time noise and a slowly increasing critical parameter. Analytical
estimates for the characteristic size of the domains formed in a slow sweep
through the critical point agree wit... | cond-mat_stat-mech |
Three lemmas on the dynamic cavity method: We study the dynamic cavity method for dilute kinetic Ising models with
synchronous update rules. For the parallel update rule we find for fully
asymmetric models that the dynamic cavity equations reduce to a Markovian
dynamics of the (time-dependent) marginal probabilities. F... | cond-mat_stat-mech |
Exactly solvable model of stochastic heat engine: Optimization of power,
its fluctuations and efficiency: We investigate a stochastic heat engine based on an over-damped particle
diffusing on the positive real axis in an externally driven time-periodic
log-harmonic potential. The periodic driving is composed of two i... | cond-mat_stat-mech |
Transport coefficients for hard-sphere relativistic gas: Transport coefficients are of crucial importance in theoretical as well as
experimental studies. Despite substantial research on classical hard
sphere/disk gases in low and high density regimes, a thorough investigation of
transport coefficients for massive relat... | cond-mat_stat-mech |
Extended loop algorithm for pyrochlore Heisenberg spin models with
spin-ice type degeneracy: application to spin-glass transition in
antiferromagnets coupled to local lattice distortions: For Ising spin models which bear the spin-ice type macroscopic
(quasi-)degeneracy, conventional classical Monte Carlo (MC) simul... | cond-mat_stat-mech |
Towards lattice-gas description of low-temperature properties above the
Haldane and cluster-based Haldane ground states of a mixed spin-(1,1/2)
Heisenberg octahedral chain: The rich ground-state phase diagram of the mixed spin-(1,1/2) Heisenberg
octahedral chain was previously elaborated from effective mixed-spin H... | cond-mat_stat-mech |
Precision-dissipation trade-off for driven stochastic systems: In this paper, I derive a closed expression for how precisely a small-scaled
system can follow a pre-defined trajectory, while keeping its dissipation below
a fixed limit. The total amount of dissipation is approximately inversely
proportional to the expect... | cond-mat_stat-mech |
On the CFT describing the spin clusters in 2d Potts model: We have considered clusters of like spin in the Q-Potts model, the spin Potts
clusters. Using Monte Carlo simulations, we studied these clusters on a square
lattice with periodic boundary conditions for values of Q in [1,4]. We continue
the work initiated with ... | cond-mat_stat-mech |
Fidelity susceptibility of the quantum Ising model in the transverse
field: The exact solution: We derive an exact closed-form expression for fidelity susceptibility of the
quantum Ising model in the transverse field. We also establish an exact
one-to-one correspondence between fidelity susceptibility in the ferromag... | cond-mat_stat-mech |
Breaking of scale invariance in the time dependence of correlation
functions in isotropic and homogeneous turbulence: In this paper, we present theoretical results on the statistical properties
of stationary, homogeneous and isotropic turbulence in incompressible flows in
three dimensions. Within the framework of the... | cond-mat_stat-mech |
Metastable states in the FPU system: In this letter we report numerical results giving, as a function of time, the
energy fluctuation of a Fermi-Pasta-Ulam system in dynamical contact with a
heat bath, the initial data of the FPU system being extracted from a Gibbs
distribution at the same temperature of the bath. The ... | cond-mat_stat-mech |
One-dimensional Superdiffusive Heat Propagation Induced by Optical
Phonon-Phonon Interactions: It is known that one-dimensional anomalous heat propagation is usually
characterized by a L\'{e}vy walk superdiffusive spreading function with two
side peaks located on the fronts due to the finite velocity of acoustic
phon... | cond-mat_stat-mech |
Two-stage random sequential adsorption of discorectangles and disks on a
two-dimensional surface: The different variants of two-stage random sequential adsorption (RSA) models
for packing of disks and discorectangles on a two-dimensional (2D) surface were
investigated. In the SD model, the discorectangles were first ... | cond-mat_stat-mech |
Ergodicity of non-Hamiltonian equilibrium systems: It is well known that ergodic theory can be used to formally prove a weak
form of relaxation to equilibrium for finite, mixing, Hamiltonian systems. In
this Letter we extend this proof to any dynamics that preserves a mixing
equilibrium distribution. The proof uses an ... | cond-mat_stat-mech |
Self-tuning of threshold for a two-state system: A two-state system (TSS) under time-periodic perturbations (to be regarded as
input signals) is studied in connection with self-tuning (ST) of threshold and
stochastic resonance (SR). By ST, we observe the improvement of signal-to-noise
ratio (SNR) in a weak noise region... | cond-mat_stat-mech |
Frustration of signed networks: How does it affect the thermodynamic
properties of a system?: Signed networks with positive and negative interaction are widely observed in
the real systems. The negative links would induce frustration, then affect
global properties of the system. Based on previous studies, frustration... | cond-mat_stat-mech |
Symmetry Hierarchy and Thermalization Frustration in Graphene
Nanoresonators: As the essential cause of the intrinsic dissipation that limits the quality
of graphene nanoresonators, intermodal energy transfer is also a key issue in
thermalization dynamics. Typically systems with larger initial energy demand
shorter t... | cond-mat_stat-mech |
Dissipation, interaction and relative entropy: Many thermodynamic relations involve inequalities, with equality if a process
does not involve dissipation. In this article we provide equalities in which
the dissipative contribution is shown to involve the relative entropy (a.k.a.
Kullback-Leibler divergence). The proces... | cond-mat_stat-mech |
Extended-range percolation in complex networks: Classical percolation theory underlies many processes of information transfer
along the links of a network. In these standard situations, the requirement for
two nodes to be able to communicate is the presence of at least one
uninterrupted path of nodes between them. In a... | cond-mat_stat-mech |
Counterintuitive effect of gravity on the heat capacity of a metal
sphere: re-examination of a well-known problem: A well-known high-school problem asking the final temperature of two spheres
that are given the same amount of heat, one lying on a table and the other
hanging from a thread, is re-examined. The conventi... | cond-mat_stat-mech |
Optimal traffic organisation in ants under crowded conditions: Efficient transportation, a hot topic in nonlinear science, is essential for
modern societies and the survival of biological species. Biological evolution
has generated a rich variety of successful solutions, which have inspired
engineers to design optimize... | cond-mat_stat-mech |
Evidence of Unconventional Universality Class in a Two-Dimensional
Dimerized Quantum Heisenberg Model: The two-dimensional $J$-$J^\prime$ dimerized quantum Heisenberg model is
studied on the square lattice by means of (stochastic series expansion) quantum
Monte Carlo simulations as a function of the coupling ratio
\h... | cond-mat_stat-mech |
Quantum quench dynamics in the transverse-field Ising model: A numerical
expansion in linked rectangular clusters: We study quantum quenches in the transverse-field Ising model defined on
different lattice geometries such as chains, two- and three-leg ladders, and
two-dimensional square lattices. Starting from fully ... | cond-mat_stat-mech |
Velocity Distribution for Strings in Phase Ordering Kinetics: The continuity equations expressing conservation of string defect charge can
be used to find an explicit expression for the string velocity field in terms
of the order parameter in the case of an O(n) symmetric time-dependent
Ginzburg-Landau model. This expr... | cond-mat_stat-mech |
Preparation of a quantum state with one molecule at each site of an
optical lattice: Ultracold gases in optical lattices are of great interest, because these
systems bear a great potential for applications in quantum simulations and
quantum information processing, in particular when using particles with a
long-range ... | cond-mat_stat-mech |
Probabilistic Breakdown Phenomenon at On-Ramp Bottlenecks in Three-Phase
Traffic Theory: A nucleation model for the breakdown phenomenon in freeway free traffic flow
at an on-ramp bottleneck is presented. This model, which can explain empirical
results on the breakdown phenomenon, is based on assumptions of three-pha... | cond-mat_stat-mech |
Bound states of the $φ^4$ model via the nonperturbative
renormalization group: Using the nonperturbative renormalization group, we study the existence of
bound states in the symmetry-broken phase of the scalar $\phi^4$ theory in all
dimensions between two and four and as a function of the temperature. The
accurate de... | cond-mat_stat-mech |
Crossovers in the dynamics of supercooled liquids probed by an amorphous
wall: We study the relaxation dynamics of a binary Lennard-Jones liquid in the
presence of an amorphous wall generated from equilibrium particle
configurations. In qualitative agreement with the results presented in Nature
Phys. {\bf 8}, 164 (20... | cond-mat_stat-mech |
The influence of absorbing boundary conditions on the transition path
times statistics: We derive an analytical expression for the transition path time (TPT)
distribution for a one-dimensional particle crossing a parabolic barrier. The
solution is expressed in terms of the eigenfunctions and eigenvalues of the
associ... | cond-mat_stat-mech |
Internal energy and condensate fraction of a trapped interacting Bose
gas: We present a semiclassical two-fluid model for an interacting Bose gas
confined in an anisotropic harmonic trap and solve it in the experimentally
relevant region for a spin-polarized gas of Rb-87 atoms, obtaining the
temperature dependence of... | cond-mat_stat-mech |
Probability distributions for polymer translocation: We study the passage (translocation) of a self-avoiding polymer through a
membrane pore in two dimensions. In particular, we numerically measure the
probability distribution Q(T) of the translocation time T, and the distribution
P(s,t) of the translocation coordinate... | cond-mat_stat-mech |
Understanding conserved amino acids in proteins: It has been conjectured that evolution exerted pressure to preserve amino
acids bearing thermodynamic, kinetic, and functional roles. In this letter we
show that the physical requirement to maintain protein stability gives rise to
a sequence conservatism pattern that is ... | cond-mat_stat-mech |
Relativistic diffusion of particles with a continuous mass spectrum: We discuss general positivity conditions necessary for a definition of a
relativistic diffusion on the phase space. We show that Lorentz covariant
random vector fields on the forward cone $p^{2}\geq 0$ lead to a definition of
a generator of Lorentz co... | cond-mat_stat-mech |
Kinetic Equationins in the Theory of Normal Fermi Liquid: On the bases of the improved approximation for the spectral function of
one-particle states the Landau-Silin kinetic equations for the normal Fermi
liquids of neutral and electrically charged particles are shown to be valid at
finite temperature above the temper... | cond-mat_stat-mech |
Transition state theory applied to self-diffusion of hard spheres: A description in terms of transition rates among cells is used to analyze
self-diffusion of hard spheres in the fluid phase. Cell size is assumed much
larger than the mean free path. Transition state theory is used to obtain an
equation that matches num... | cond-mat_stat-mech |
Log-Poisson Statistics and Extended Self-Similarity in Driven
Dissipative Systems: The Bak-Chen-Tang forest fire model was proposed as a toy model of turbulent
systems, where energy (in the form of trees) is injected uniformly and
globally, but is dissipated (burns) locally. We review our previous results on
the mode... | cond-mat_stat-mech |
Phase statistics and the Hamiltonian: Modern statistical thermodynamics retains the concepts employed by Landau of
the order parameter and a functional depending on it, now called the
Hamiltonian. The present paper investigates the limits of validity for the use
of the functional to describe the statistical correlation... | cond-mat_stat-mech |
Structure and Randomness of Continuous-Time Discrete-Event Processes: Loosely speaking, the Shannon entropy rate is used to gauge a stochastic
process' intrinsic randomness; the statistical complexity gives the cost of
predicting the process. We calculate, for the first time, the entropy rate and
statistical complexity... | cond-mat_stat-mech |
Enhanced stochastic oscillations in autocatalytic reactions: We study a simplified scheme of $k$ coupled autocatalytic reactions,
previously introduced by Togashi and Kaneko. The role of stochastic
fluctuations is elucidated through the use of the van Kampen system-size
expansion and the results compared with direct st... | cond-mat_stat-mech |
Blocking temperature in magnetic nano-clusters: A recent study of nonextensive phase transitions in nuclei and nuclear
clusters needs a probability model compatible with the appropriate Hamiltonian.
For magnetic molecules a representation of the evolution by a Markov process
achieves the required probability model that... | cond-mat_stat-mech |
Classical and Quantum Fluctuation Theorems for Heat Exchange: The statistics of heat exchange between two classical or quantum finite
systems initially prepared at different temperatures are shown to obey a
fluctuation theorem. | cond-mat_stat-mech |
A Cluster Expansion for Dipole Gases: We give a new proof of the well-known upper bound on the correlation function
of a gas of non-overlapping dipoles of fixed length and discrete orientation
working directly in the charge representation, instead of the more usual
sine-Gordon representation. | cond-mat_stat-mech |
Dynamical signatures of molecular symmetries in nonequilibrium quantum
transport: Symmetries play a crucial role in ubiquitous systems found in Nature. In this
work, we propose an elegant approach to detect symmetries by measuring quantum
currents. Our detection scheme relies on initiating the system in an
anti-symme... | cond-mat_stat-mech |
Progressive quenching --- Ising chain models: Of the Ising spin chain with the nearest neighbor or up to the second nearest
neighbor interactions, we fixed progressively either a single spin or a pair of
neighboring spins at the value they took. Before the subsequent fixation, the
unquenched part of the system is equil... | cond-mat_stat-mech |
Kinetic Theory and Hydrodynamics for a Low Density Gas: Many features of real granular fluids under rapid flow are exhibited as well
by a system of smooth hard spheres with inelastic collisions. For such a
system, it is tempting to apply standard methods of kinetic theory and
hydrodynamics to calculate properties of in... | cond-mat_stat-mech |
Optimization and Growth in First-Passage Resetting: We combine the processes of resetting and first-passage to define
\emph{first-passage resetting}, where the resetting of a random walk to a fixed
position is triggered by a first-passage event of the walk itself. In an
infinite domain, first-passage resetting of isotr... | cond-mat_stat-mech |
Mean trapping time for an arbitrary node on regular hyperbranched
polymers: The regular hyperbranched polymers (RHPs), also known as Vicsek fractals, are
an important family of hyperbranched structures which have attracted a wide
spread attention during the past several years. In this paper, we study the
first-passag... | cond-mat_stat-mech |
Thermodynamic model for the glass transition: deeply supercooled liquids
as mixtures of solid-like and liquid-like micro-regions: For a deeply supercooled liquid just above its glass transition temperature,
we present a simple thermodynamic model, where the deeply supercooled liquid is
assumed to be a mixture of soli... | cond-mat_stat-mech |
Systematic perturbation approach for a dynamical scaling law in a
kinetically constrained spin model: The dynamical behaviours of a kinetically constrained spin model
(Fredrickson-Andersen model) on a Bethe lattice are investigated by a
perturbation analysis that provides exact final states above the nonergodic
trans... | cond-mat_stat-mech |
Statistical mechanical approach of complex networks with weighted links: Systems which consist of many localized constituents interacting with each
other can be represented by complex networks. Consistently, network science has
become highly popular in vast fields focusing on natural, artificial and social
systems. We ... | cond-mat_stat-mech |
Effective interaction between guest charges immersed in 2D jellium: The model under study is an infinite 2D jellium of pointlike particles with
elementary charge $e$, interacting via the logarithmic potential and in thermal
equilibrium at the inverse temperature $\beta$. Two cases of the coupling
constant $\Gamma\equiv... | cond-mat_stat-mech |
Ballistic aggregation: a solvable model of irreversible many particles
dynamics: The adhesive dynamics of a one-dimensional aggregating gas of point particles
is rigorously described. The infinite hierarchy of kinetic equations for the
distributions of clusters of nearest neighbours is shown to be equivalent to a
sys... | cond-mat_stat-mech |
Vicinal surface growth: bunching and meandering instabilities: The morphology of a growing crystal surface is studied in the case of an
unstable two-dimensional step flow. Competition between bunching and meandering
of steps leads to a variety of patterns characterized by their respective
instability growth rates. The ... | cond-mat_stat-mech |
Entropies for complex systems: generalized-generalized entropies: Many complex systems are characterized by non-Boltzmann distribution
functions of their statistical variables. If one wants to -- justified or not
-- hold on to the maximum entropy principle for complex statistical systems
(non-Boltzmann) we demonstrate ... | cond-mat_stat-mech |
Open statistical ensemble and surface phenomena: In the present work we investigate a new statistical ensemble, which seems
logical to be entitled the open one, for the case of a one-component system of
ordinary particles. Its peculiarity is in complementing the consideration of a
system with the inclusion of a certain... | cond-mat_stat-mech |
An Explicit Form of the Equation of Motion of the Interface in
Bicontinuous Phases: The explicit form of the interface equation of motion derived assuming a
minimal surface is extended to general bicontinuous interfaces that appear in
the diffusion limited stage of the phase separation process of binary mixtures.
The... | cond-mat_stat-mech |
The thermal denaturation of DNA studied with neutron scattering: The melting transition of deoxyribonucleic acid (DNA), whereby the strands of
the double helix structure completely separate at a certain temperature, has
been characterized using neutron scattering. A Bragg peak from B-form fibre DNA
has been measured as... | cond-mat_stat-mech |
Exact Density Functionals in One Dimension: We propose a new and general method for deriving exact density functionals in
one dimension for lattice gases with finite-range pairwise interactions.
Corresponding continuum functionals are derived by applying a proper limiting
procedure. The method is based on a generalised... | cond-mat_stat-mech |
Quantum critical systems with dissipative boundaries: We study the effects of dissipative boundaries in many-body systems at
continuous quantum transitions, when the parameters of the Hamiltonian driving
the unitary dynamics are close to their critical values. As paradigmatic
models, we consider fermionic wires subject... | cond-mat_stat-mech |
Ripening and Focusing of Aggregate Size Distributions with Overall
Volume Growth: We explore the evolution of the aggregate size distribution in systems where
aggregates grow by diffusive accretion of mass. Supersaturation is controlled
in such a way that the overall aggregate volume grows linearly in time.
Classical... | cond-mat_stat-mech |
Irreversible mesoscale fluctuations herald the emergence of dynamical
phases: We study fluctuating field models with spontaneously emerging dynamical
phases. We consider two typical transition scenarios associated with
parity-time symmetry breaking: oscillatory instabilities and critical
exceptional points. An analyt... | cond-mat_stat-mech |
Nonadditivity in Quasiequilibrium States of Spin Systems with Lattice
Distortion: It is pointed out that there exists a short-range interacting system, i.e.
the elastic spin model, which is extensive but nonadditive. It is numerically
shown that, depending on the statistical ensemble, the specific heat or the
suscept... | cond-mat_stat-mech |
Majority Rule Dynamics in Finite Dimensions: We investigate the long-time behavior of a majority rule opinion dynamics
model in finite spatial dimensions. Each site of the system is endowed with a
two-state spin variable that evolves by majority rule. In a single update
event, a group of spins with a fixed (odd) size i... | cond-mat_stat-mech |
Macroscopic Fluctuation Theory and Current Fluctuations in Active
Lattice Gases: We study the current large deviations for a lattice model of interacting
active particles displaying a motility-induced phase separation (MIPS). To do
this, we first derive the exact fluctuating hydrodynamics of the model in the
large sy... | cond-mat_stat-mech |
From regular to growing small-world networks: We propose a growing model which interpolates between one-dimensional regular
lattice and small-world networks. The model undergoes an interesting phase
transition from large to small world. We investigate the structural properties
by both theoretical predictions and numeri... | cond-mat_stat-mech |
Reference Distribution Functions for Magnetically Confined Plasmas from
the Minimum Entropy Production Theorem and the MaxEnt Principle, subject to
the Scale-Invariant Restrictions: We derive the expression of the reference distribution function for
magnetically confined plasmas far from the thermodynamic equilibri... | cond-mat_stat-mech |
Division of Labor as the Result of Phase Transition: The emergence of labor division in multi-agent system is analyzed by the
method of statistical physics. Considering a system consists of N homogeneous
agents. Their behaviors are determined by the returns from their production.
Using the Metropolis method in statisti... | cond-mat_stat-mech |
Quantum Stochastic Synchronization: We study within the spin-boson dynamics the synchronization of quantum
tunneling with an external periodic driving signal. As a main result we find
that at a sufficiently large system-bath coupling strength (Kondo parameter
a>1) the thermal noise plays a constructive role in yielding... | cond-mat_stat-mech |
Reply to Comment on Nonlocal quartic interactions and universality
classes in perovskite manganites: Comment [arXiv:cond-mat.stat.mech., 1602.02087v1 (2016)] has raised questions
claiming that the nonlocal model Hamiltonian presented in [Phys. Rev. E 92,
012123 (2015)] is equivalent to the standard (short-ranged) \Ph... | cond-mat_stat-mech |
Comment on ``Fragmented Condensate Ground State of Trapped Weakly
Interacting Bosons in Two Dimensions": Recently Liu et al. [PRL 87, 030404 (2001)] examined the lowest state of a
weakly-interacting Bose-Einstein condensate. In addition to other interesting
results, using the method of the pair correlation function, ... | cond-mat_stat-mech |
A comprehensive scenario of the thermodynamic anomalies of water using
the TIP4P/2005 model: The striking behavior of water has deserved it to be referred to as an
"anomalous" liquid. The water anomalies are greatly amplified in metastable
(supercooled/stretched) regions. This makes difficult a complete experimental
... | cond-mat_stat-mech |
Nonstandard entropy production in the standard map: We investigate the time evolution of the entropy for a paradigmatic
conservative dynamical system, the standard map, for different values of its
controlling parameter $a$. When the phase space is sufficiently ``chaotic''
(i.e., for large $|a|$), we reproduce previous ... | cond-mat_stat-mech |
Thermodynamics of emergent structure in active matter: Active matter is rapidly becoming a key paradigm of out-of-equilibrium soft
matter exhibiting complex collective phenomena, yet the thermodynamics of such
systems remain poorly understood. In this letter we study the nonequilbrium
thermodynamics of large scale acti... | cond-mat_stat-mech |
Nonlinear integral equations for thermodynamics of the sl(r+1)
Uimin-Sutherland model: We derive traditional thermodynamic Bethe ansatz (TBA) equations for the
sl(r+1) Uimin-Sutherland model from the T-system of the quantum transfer
matrix. These TBA equations are identical to the ones from the string
hypothesis. Nex... | cond-mat_stat-mech |
Phase diagram and structural diversity of the densest binary sphere
packings: The densest binary sphere packings have historically been very difficult to
determine. The only rigorously known packings in the alpha-x plane of sphere
radius ratio alpha and relative concentration x are at the Kepler limit alpha =
1, wher... | cond-mat_stat-mech |
Size Segregation of Granular Matter in Silo Discharges: We present an experimental study of segregation of granular matter in a
quasi-two dimensional silo emptying out of an orifice. Size separation is
observed when multi-sized particles are used with the larger particles found in
the center of the silo in the region o... | cond-mat_stat-mech |
Size effects on generation recombination noise: We carry out an analytical theory of generation-recombination noise for a two
level resistor model which goes beyond those presently available by including
the effects of both space charge fluctuations and diffusion current. Finite
size effects are found responsible for t... | cond-mat_stat-mech |
General Structural Results for Potts Model Partition Functions on
Lattice Strips: We present a set of general results on structural features of the $q$-state
Potts model partition function $Z(G,q,v)$ for arbitrary $q$ and temperature
Boltzmann variable $v$ for various lattice strips of arbitrarily great width
$L_y$ v... | cond-mat_stat-mech |
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