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Ground state of the hard-core Bose gas on lattice I. Energy estimates: We investigate the properties of the ground state of a system of interacting
bosons on regular lattices with coordination number $k\geq 2$. The interaction
is a pure, infinite, on-site repulsion. Our concern is to give an improved
upper bound on the... | cond-mat_stat-mech |
Beyond quantum microcanonical statistics: Descriptions of molecular systems usually refer to two distinct theoretical
frameworks. On the one hand the quantum pure state, i.e. the wavefunction, of
an isolated system which is determined to calculate molecular properties and to
consider the time evolution according to the... | cond-mat_stat-mech |
Chains of Viscoelastic Spheres: Given a chain of viscoelastic spheres with fixed masses of the first and last
particles. We raise the question: How to chose the masses of the other
particles of the chain to assure maximal energy transfer? The results are
compared with a chain of particles for which a constant coefficie... | cond-mat_stat-mech |
Nonequilibrium statistical mechanics and entropy production in a
classical infinite system of rotators: We analyze the dynamics of a simple but nontrivial classical Hamiltonian
system of infinitely many coupled rotators. We assume that this infinite system
is driven out of thermal equilibrium either because energy is... | cond-mat_stat-mech |
Optimized Monte Carlo Method for glasses: A new Monte Carlo algorithm is introduced for the simulation of supercooled
liquids and glass formers, and tested in two model glasses. The algorithm is
shown to thermalize well below the Mode Coupling temperature and to outperform
other optimized Monte Carlo methods. Using the... | cond-mat_stat-mech |
Heat Transport in low-dimensional systems: Recent results on theoretical studies of heat conduction in low-dimensional
systems are presented. These studies are on simple, yet nontrivial, models.
Most of these are classical systems, but some quantum-mechanical work is also
reported. Much of the work has been on lattice ... | cond-mat_stat-mech |
Spontaneous and induced dynamic correlations in glass-formers II: Model
calculations and comparison to numerical simulations: We study in detail the predictions of various theoretical approaches, in
particular mode-coupling theory (MCT) and kinetically constrained models
(KCMs), concerning the time, temperature, and ... | cond-mat_stat-mech |
Non-equilibrium tube length fluctuations of entangled polymers: We investigate the nonequilibrium tube length fluctuations during the
relaxation of an initially stretched, entangled polymer chain. The
time-dependent variance $\sigma^2$ of the tube length follows in the early-time
regime a simple universal power law $\s... | cond-mat_stat-mech |
Leaf-excluded percolation in two and three dimensions: We introduce the \emph{leaf-excluded} percolation model, which corresponds to
independent bond percolation conditioned on the absence of leaves (vertices of
degree one). We study the leaf-excluded model on the square and simple-cubic
lattices via Monte Carlo simula... | cond-mat_stat-mech |
Identifying Functional Thermodynamics in Autonomous Maxwellian Ratchets: We introduce a family of Maxwellian Demons for which correlations among
information bearing degrees of freedom can be calculated exactly and in compact
analytical form. This allows one to precisely determine Demon functional
thermodynamic operatin... | cond-mat_stat-mech |
Work fluctuations of self-propelled particles in the phase separated
state: We study the large deviations of the distribution P(W_\tau) of the work
associated with the propulsion of individual active brownian particles in a
time interval \tau, in the region of the phase diagram where macroscopic phase
separation take... | cond-mat_stat-mech |
Quenching along a gapless line: A different exponent for defect density: We use a new quenching scheme to study the dynamics of a one-dimensional
anisotropic $XY$ spin-1/2 chain in the presence of a transverse field which
alternates between the values $h+\de$ and $h-\de$ from site to site. In this
quenching scheme, the... | cond-mat_stat-mech |
Dynamics of Rod like Particles in Supercooled Liquids -- Probing Dynamic
Heterogeneity and Amorphous Order: Probing dynamic and static correlation in glass-forming supercooled liquids
has been a challenge for decades in spite of extensive research. Dynamic
correlation which manifests itself as Dynamic Heterogeneity i... | cond-mat_stat-mech |
Iterated Conformal Dynamics and Laplacian Growth: The method of iterated conformal maps for the study of Diffusion Limited
Aggregates (DLA) is generalized to the study of Laplacian Growth Patterns and
related processes. We emphasize the fundamental difference between these
processes: DLA is grown serially with constant... | cond-mat_stat-mech |
Path statistics, memory, and coarse-graining of continuous-time random
walks on networks: Continuous-time random walks (CTRWs) on discrete state spaces, ranging from
regular lattices to complex networks, are ubiquitous across physics, chemistry,
and biology. Models with coarse-grained states, for example those employ... | cond-mat_stat-mech |
A systematic $1/c$-expansion of form factor sums for dynamical
correlations in the Lieb-Liniger model: We introduce a framework for calculating dynamical correlations in the
Lieb-Liniger model in arbitrary energy eigenstates and for all space and time,
that combines a Lehmann representation with a $1/c$ expansion. Th... | cond-mat_stat-mech |
Folding transitions in three-dimensional space with defects: A model describing the three-dimensional folding of the triangular lattice on
the face-centered cubic lattice is generalized allowing the presence of defects
corresponding to cuts in the two-dimensional network. The model can be
expressed in terms of Ising-li... | cond-mat_stat-mech |
Exact Markovian kinetic equation for a quantum Brownian oscillator: We derive an exact Markovian kinetic equation for an oscillator linearly
coupled to a heat bath, describing quantum Brownian motion. Our work is based
on the subdynamics formulation developed by Prigogine and collaborators. The
space of distribution fu... | cond-mat_stat-mech |
Statistical properties of the laser beam propagating in a turbulent
medium: We examine statistical properties of a laser beam propagating in a turbulent
medium. We prove that the intensity fluctuations at large propagation distances
possess Gaussian probability density function and establish quantitative
criteria for... | cond-mat_stat-mech |
Preface: Long-range Interactions and Synchronization: Spontaneous synchronization is a general phenomenon in which a large
population of coupled oscillators of diverse natural frequencies self-organize
to operate in unison. The phenomenon occurs in physical and biological systems
over a wide range of spatial and tempor... | cond-mat_stat-mech |
Spontaneous cold-to-hot heat transfer in Knudsen gas: It is well known that, when in a thermal bath, a Knudsen gas may reach a
nonequilibrium steady state; often, this is not treated as a thermodynamic
problem. Here, we show that if incorporated in a large-sized setup, such a
phenomenon has nontrivial consequences and ... | cond-mat_stat-mech |
Mean-Field Approximation for Spacing Distribution Functions in Classical
Systems: We propose a mean-field method to calculate approximately the spacing
distribution functions $p^{(n)}(s)$ in 1D classical many-particle systems. We
compare our method with two other commonly used methods, the independent
interval approx... | cond-mat_stat-mech |
Hyperuniformity of Quasicrystals: Hyperuniform systems, which include crystals, quasicrystals and special
disordered systems, have attracted considerable recent attention, but rigorous
analyses of the hyperuniformity of quasicrystals have been lacking because the
support of the spectral intensity is dense and discontin... | cond-mat_stat-mech |
The effect of memory and active forces on transition path times
distributions: An analytical expression is derived for the transition path time distribution
for a one-dimensional particle crossing of a parabolic barrier. Two cases are
analyzed: (i) A non-Markovian process described by a generalized Langevin
equation ... | cond-mat_stat-mech |
Non-Debye relaxations: The characteristic exponent in the excess wings
model: The characteristic (Laplace or L\'evy) exponents uniquely characterize
infinitely divisible probability distributions. Although of purely mathematical
origin they appear to be uniquely associated with the memory functions present
in evoluti... | cond-mat_stat-mech |
Random Deposition Model with a Constant Capture Length: We introduce a sequential model for the deposition and aggregation of
particles in the submonolayer regime. Once a particle has been randomly
deposited on the substrate, it sticks to the closest atom or island within a
distance \ell, otherwise it sticks to the dep... | cond-mat_stat-mech |
Dimensionality effects in restricted bosonic and fermionic systems: The phenomenon of Bose-like condensation, the continuous change of the
dimensionality of the particle distribution as a consequence of freezing out of
one or more degrees of freedom in the low particle density limit, is
investigated theoretically in th... | cond-mat_stat-mech |
Critical Casimir effects in 2D Ising model with curved defect lines: This work is aimed at studying the influence of critical Casimir effects on
energetic properties of curved defect lines in the frame of 2D Ising model. Two
types of defect curves were investigated. We start with a simple task of
globule formation from... | cond-mat_stat-mech |
Velocity and Speed Correlations in Hamiltonian Flocks: We study a $2d$ Hamiltonian fluid made of particles carrying spins coupled to
their velocities. At low temperatures and intermediate densities, this
conservative system exhibits phase coexistence between a collectively moving
droplet and a still gas. The particle d... | cond-mat_stat-mech |
Universal dimensional crossover of domain wall dynamics in ferromagnetic
films: The magnetic domain wall motion driven by a magnetic field is studied in
(Ga,Mn)As and (Ga,Mn)(As,P) films of different thicknesses. In the thermally
activated creep regime, a kink in the velocity curves and a jump of the
roughness expone... | cond-mat_stat-mech |
Master equation approach to the stochastic accumulation dynamics of
bacterial cell cycle: The mechanism of bacterial cell size control has been a mystery for decades,
which involves the well-coordinated growth and division in the cell cycle. The
revolutionary modern techniques of microfluidics and the advanced live i... | cond-mat_stat-mech |
The asymptotic Bethe ansatz solution for one-dimensional SU(2) spinor
bosons with finite range Gaussian interactions: We propose a one-dimensional model of spinor bosons with SU(2) symmetry and a
two-body finite range Gaussian interaction potential. We show that the model is
exactly solvable when the width of the int... | cond-mat_stat-mech |
Critical behavior of the Coulomb-glass model in the zero-disorder limit:
Ising universality in a system with long-range interactions: The ordering of charges on half-filled hypercubic lattices is investigated
numerically, where electroneutrality is ensured by background charges. This
system is equivalent to the $s = ... | cond-mat_stat-mech |
Reply to Comment on Effect of polydispersity on the ordering transition
of adsorbed self-assembled rigid rods: We comment on the nature of the ordering transition of a model of equilibrium
polydisperse rigid rods, on the square lattice, which is reported by Lopez et
al. to exhibit random percolation criticality in th... | cond-mat_stat-mech |
Percolation of sticks: effect of stick alignment and length dispersity: Using Monte Carlo simulation, we studied the percolation of sticks, i.e.
zero-width rods, on a plane paying special attention to the effects of stick
alignment and their length dispersity. The stick lengths were distributed in
accordance with log-n... | cond-mat_stat-mech |
Supercooled liquids are Fickian yet non-Gaussian: Reply to "Comment on 'Fickian non-Gaussian diffusion in glass-forming
liquids' ".
In [ArXiv:2210.07119v1], Berthier et al. questioned the findings of our
letter [Phys. Rev. Lett. 128, 168001 (2022)], concerning the existence and the
features of Fickian non-Gaussian di... | cond-mat_stat-mech |
Velocity Distributions in Homogeneously Cooling and Heated Granular
Fluids: We study the single particle velocity distribution for a granular fluid of
inelastic hard spheres or disks, using the Enskog-Boltzmann equation, both for
the homogeneous cooling of a freely evolving system and for the stationary
state of a un... | cond-mat_stat-mech |
Modified Thirring model beyond the excluded-volume approximation: Long-range interacting systems may exhibit ensemble inequivalence and can
possibly attain equilibrium states under completely open conditions, for which
energy, volume and number of particles simultaneously fluctuate. Here we
consider a modified version ... | cond-mat_stat-mech |
Microscopic View on Short-Range Wetting at the Free Surface of the
Binary Metallic Liquid Gallium-Bismuth: An X-ray Reflectivity and Square
Gradient Theory Study: We present an x-ray reflectivity study of wetting at the free surface of the
binary liquid metal gallium-bismuth (Ga-Bi) in the region where the bulk pha... | cond-mat_stat-mech |
Learning nonequilibrium control forces to characterize dynamical phase
transitions: Sampling the collective, dynamical fluctuations that lead to nonequilibrium
pattern formation requires probing rare regions of trajectory space. Recent
approaches to this problem based on importance sampling, cloning, and spectral
app... | cond-mat_stat-mech |
Stationary State Skewness in Two Dimensional KPZ Type Growth: We present numerical Monte Carlo results for the stationary state properties
of KPZ type growth in two dimensional surfaces, by evaluating the finite size
scaling (FSS) behaviour of the 2nd and 4th moments, $W_2$ and $W_4$, and the
skewness, $W_3$, in the Ki... | cond-mat_stat-mech |
Properties of Higher-Order Phase Transitions: Experimental evidence for the existence of strictly higher-order phase
transitions (of order three or above in the Ehrenfest sense) is tenuous at
best. However, there is no known physical reason why such transitions should
not exist in nature. Here, higher-order transitions... | cond-mat_stat-mech |
Percolation in random environment: We consider bond percolation on the square lattice with perfectly correlated
random probabilities. According to scaling considerations, mapping to a random
walk problem and the results of Monte Carlo simulations the critical behavior
of the system with varying degree of disorder is go... | cond-mat_stat-mech |
Dynamical systems on large networks with predator-prey interactions are
stable and exhibit oscillations: We analyse the stability of linear dynamical systems defined on sparse,
random graphs with predator-prey, competitive, and mutualistic interactions.
These systems are aimed at modelling the stability of fixed poin... | cond-mat_stat-mech |
Domino effect for world market fluctuations: In order to emphasize cross-correlations for fluctuations in major market
places, series of up and down spins are built from financial data. Patterns
frequencies are measured, and statistical tests performed. Strong
cross-correlations are emphasized, proving that market move... | cond-mat_stat-mech |
Physics-informed Bayesian inference of external potentials in classical
density-functional theory: The swift progression of machine learning (ML) has not gone unnoticed in the
realm of statistical mechanics. ML techniques have attracted attention by the
classical density-functional theory (DFT) community, as they ena... | cond-mat_stat-mech |
Simulation of heat transport in low-dimensional oscillator lattices: The study of heat transport in low-dimensional oscillator lattices presents a
formidable challenge. Theoretical efforts have been made trying to reveal the
underlying mechanism of diversified heat transport behaviors. In lack of a
unified rigorous tre... | cond-mat_stat-mech |
Phase diagrams and critical behavior of the quantum spin-1/2 XXZ model
on diamond-type hierarchical lattices: In this paper, the phase diagrams and the critical behavior of the spin-1/2
anisotropic XXZ ferromagnetic model (the anisotropic parameter
{\Delta}\in(-\infty,1]) on two kinds of diamond-type hierarchical (DH... | cond-mat_stat-mech |
Hybrid soft-mode and off-center Ti model of barium titanate: It has been recently established by NMR techniques that in the high
temperature cubic phase of BaTiO$_3$ the Ti ions are not confined to the high
symmetry cubic sites, but rather occupy one of the eight off-center positions
along the $[111]$ directions. The o... | cond-mat_stat-mech |
Unequal Intra-layer Coupling in a Bilayer Driven Lattice Gas: The system under study is a twin-layered square lattice gas at half-filling,
being driven to non-equilibrium steady states by a large, finite `electric'
field. By making intra-layer couplings unequal we were able to extend the phase
diagram obtained by Hill,... | cond-mat_stat-mech |
Effect of Elastic Deformations on the Critical Behavior of Disordered
Systems with Long-Range Interactions: A field-theoretic approach is applied to describe behavior of
three-dimensional, weakly disordered, elastically isotropic, compressible
systems with long-range interactions at various values of a long-range
int... | cond-mat_stat-mech |
Comment on "Fluctuation Theorem Uncertainty Relation" and "Thermodynamic
Uncertainty Relations from Exchange Fluctuation Theorems": In recent letter [Phys.~Rev.~Lett {\bf 123}, 110602 (2019)], Y.~Hasegawa and
T.~V.~Vu derived a thermodynamic uncertainty relation. But the bound of their
relation is loose. In this comm... | cond-mat_stat-mech |
Screening of an electrically charged particle in a two-dimensional
two-component plasma at $Γ=2$: We consider the thermodynamic effects of an electrically charged impurity
immersed in a two-dimensional two-component plasma, composed by particles with
charges $\pm e$, at temperature $T$, at coupling $\Gamma=e^2/(k_B T... | cond-mat_stat-mech |
Emergent non-Hermitian physics in generalized Lotka-Volterra model: In this paper, we study the non-Hermitian physics emerging from a
predator-prey ecological model described by a generalized Lotka-Volterra
equation. In the phase space, this nonlinear equation exhibits both chaotic and
localized dynamics, which are sep... | cond-mat_stat-mech |
Identification of a polymer growth process with an equilibrium
multi-critical collapse phase transition: the meeting point of swollen,
collapsed and crystalline polymers: We have investigated a polymer growth process on the triangular lattice where
the configurations produced are self-avoiding trails. We show that ... | cond-mat_stat-mech |
Inequalities generalizing the second law of thermodynamics for
transitions between non-stationary states: We discuss the consequences of a variant of the Hatano-Sasa relation in which
a non-stationary distribution is used in place of the usual stationary one. We
first show that this non-stationary distribution is rel... | cond-mat_stat-mech |
Interaction-disorder competition in a spin system evaluated through the
Loschmidt Echo: The interplay between interactions and disorder in closed quantum many-body
systems is relevant for thermalization phenomenon. In this article, we address
this competition in an infinite temperature spin system, by means of the
Lo... | cond-mat_stat-mech |
A field-theoretic approach to nonequilibrium work identities: We study nonequilibrium work relations for a space-dependent field with
stochastic dynamics (Model A). Jarzynski's equality is obtained through
symmetries of the dynamical action in the path integral representation. We
derive a set of exact identities that g... | cond-mat_stat-mech |
Finite temperature theory of the trapped two dimensional Bose gas: We present a Hartree-Fock-Bogoliubov (HFB) theoretical treatment of the
two-dimensional trapped Bose gas and indicate how semiclassical approximations
to this and other formalisms have lead to confusion. We numerically obtain
results for the fully quant... | cond-mat_stat-mech |
Criticality of natural absorbing states: We study a recently introduced ladder model which undergoes a transition
between an active and an infinitely degenerate absorbing phase. In some cases
the critical behaviour of the model is the same as that of the branching
annihilating random walk with $N\geq 2$ species both wi... | cond-mat_stat-mech |
Uncovering the secrets of the 2d random-bond Blume-Capel model: The effects of bond randomness on the ground-state structure, phase diagram
and critical behavior of the square lattice ferromagnetic Blume-Capel (BC)
model are discussed. The calculation of ground states at strong disorder and
large values of the crystal ... | cond-mat_stat-mech |
A generalized thermodynamics for power-law statistics: We show that there exists a natural way to define a condition of generalized
thermal equilibrium between systems governed by Tsallis thermostatistics, under
the hypotheses that i) the coupling between the systems is weak, ii) the
structure functions of the systems ... | cond-mat_stat-mech |
Directed transport in equilibrium : analysis of the dimer model with
inertial terms: We have previously shown an analysis of our dimer model in the over-damped
regime to show directed transport in equilibrium. Here we analyze the full
model with inertial terms present to establish the same result. First we derive
the... | cond-mat_stat-mech |
Finite-temperature properties of quasi-2D Bose-Einstein condensates: Using the finite-temperature path integral Monte Carlo method, we investigate
dilute, trapped Bose gases in a quasi-two dimensional geometry. The quantum
particles have short-range, s-wave interactions described by a hard-sphere
potential whose core r... | cond-mat_stat-mech |
Finite size induced phenomena in 2D classical spin models: We make a short overview of the recent analytic and numerical studies of the
classical two-dimensional XY and Heisenberg models at low temperatures. Special
attention is being paid to an influence of finite system size L on the
peculiarities of the low-temperat... | cond-mat_stat-mech |
Quench dynamics and scaling laws in topological nodal loop semimetals: We employ quench dynamics as an effective tool to probe different
universality classes of topological phase transitions. Specifically, we study a
model encompassing both Dirac-like and nodal loop criticalities. Examining the
Kibble-Zurek scaling of ... | cond-mat_stat-mech |
Zero temperature coarsening in Ising model with asymmetric second
neighbour interaction in two dimensions: We consider the zero temperature coarsening in the Ising model in two
dimensions where the spins interact within the Moore neighbourhood. The
Hamiltonian is given by $H = - \sum_{<i,j>}{S_iS_j} - \kappa
\sum_{<i... | cond-mat_stat-mech |
Correlation Matrix Spectra: A Tool for Detecting Non-apparent
Correlations?: It has been shown that, if a model displays long-range (power-law) spatial
correlations, its equal-time correlation matrix of this model will also have a
power law tail in the distribution of its high-lying eigenvalues. The purpose
of this l... | cond-mat_stat-mech |
Resetting with stochastic return through linear confining potential: We consider motion of an overdamped Brownian particle subject to stochastic
resetting in one dimension. In contrast to the usual setting where the particle
is instantaneously reset to a preferred location (say, the origin), here we
consider a finite t... | cond-mat_stat-mech |
Criterion for phase separation in one-dimensional driven systems: A general criterion for the existence of phase separation in driven
one-dimensional systems is proposed. It is suggested that phase separation is
related to the size dependence of the steady-state currents of domains in the
system. A quantitative criteri... | cond-mat_stat-mech |
Non-equilibrium steady state and induced currents of a
mesoscopically-glassy system: interplay of resistor-network theory and Sinai
physics: We introduce an explicit solution for the non-equilibrium steady state (NESS)
of a ring that is coupled to a thermal bath, and is driven by an external hot
source with log-wid... | cond-mat_stat-mech |
Interplay between writhe and knotting for swollen and compact polymers: The role of the topology and its relation with the geometry of biopolymers
under different physical conditions is a nontrivial and interesting problem.
Aiming at understanding this issue for a related simpler system, we use Monte
Carlo methods to i... | cond-mat_stat-mech |
The Enskog equation for confined elastic hard spheres: A kinetic equation for a system of elastic hard spheres or disks confined by
a hard wall of arbitrary shape is derived. It is a generalization of the
modified Enskog equation in which the effects of the confinement are taken into
account and it is supposed to be va... | cond-mat_stat-mech |
Socioeconomic agents as active matter in nonequilibrium Sakoda-Schelling
models: How robust are socioeconomic agent-based models with respect to the details
of the agents' decision rule? We tackle this question by considering an
occupation model in the spirit of the Sakoda-Schelling model, historically
introduced to ... | cond-mat_stat-mech |
Critical, crossover, and correction-to-scaling exponents for isotropic
Lifshitz points to order $\boldsymbol{(8-d)^2}$: A two-loop renormalization group analysis of the critical behaviour at an
isotropic Lifshitz point is presented. Using dimensional regularization and
minimal subtraction of poles, we obtain the expa... | cond-mat_stat-mech |
Investigating Extreme Dependences: Concepts and Tools: We investigate the relative information content of six measures of dependence
between two random variables $X$ and $Y$ for large or extreme events for
several models of interest for financial time series. The six measures of
dependence are respectively the linear c... | cond-mat_stat-mech |
Tensor Networks: Phase transition phenomena on hyperbolic and fractal
geometries: One of the challenging problems in the condensed matter physics is to
understand the quantum many-body systems, especially, their physical mechanisms
behind. Since there are only a few complete analytical solutions of these
systems, sev... | cond-mat_stat-mech |
Competition Between Exchange and Anisotropy in a Pyrochlore Ferromagnet: The Ising-like spin ice model, with a macroscopically degenerate ground
state, has been shown to be approximated by several real materials. Here we
investigate a model related to spin ice, in which the Ising spins are replaced
by classical Heisenb... | cond-mat_stat-mech |
Accessing power-law statistics under experimental constraints: Over the last decades, impressive progresses have been made in many
experimental domains, e.g. microscopic techniques such as single-particle
tracking, leading to plethoric amounts of data. In a large variety of systems,
from natural to socio-economic, the ... | cond-mat_stat-mech |
Modelling High-frequency Economic Time Series: The minute-by-minute move of the Hang Seng Index (HSI) data over a four-year
period is analysed and shown to possess similar statistical features as those
of other markets. Based on a mathematical theorem [S. B. Pope and E. S. C.
Ching, Phys. Fluids A {\bf 5}, 1529 (1993)]... | cond-mat_stat-mech |
The three-state Potts antiferromagnet on plane quadrangulations: We study the antiferromagnetic 3-state Potts model on general (periodic)
plane quadrangulations $\Gamma$. Any quadrangulation can be built from a dual
pair $(G,G^*)$. Based on the duality properties of $G$, we propose a new
criterion to predict the phase ... | cond-mat_stat-mech |
Metropolis Monte Carlo algorithm based on the reparametrization
invariance: We introduce a modification of the well-known Metropolis importance sampling
algorithm by using a methodology inspired on the consideration of the
reparametrization invariance of the microcanonical ensemble. The most important
feature of the ... | cond-mat_stat-mech |
The Putative Liquid-Liquid Transition is a Liquid-Solid Transition in
Atomistic Models of Water, Part II: This paper extends our earlier studies of free energy functions of density
and crystalline order parameters for models of supercooled water, which allows
us to examine the possibility of two distinct metastable l... | cond-mat_stat-mech |
Understanding probability and irreversibility in the Mori-Zwanzig
projection operator formalism: Explaining the emergence of stochastic irreversible macroscopic dynamics from
time-reversible deterministic microscopic dynamics is one of the key problems
in philosophy of physics. The Mori-Zwanzig projection operator fo... | cond-mat_stat-mech |
Competition between Short-Ranged Attraction and Short-Ranged Repulsion
in Crowded Configurational Space; A Lattice Model Description: We describe a simple nearest-neighbor Ising model that is capable of
supporting a gas, liquid, crystal, in characteristic relationship to each
other. As the parameters of the model are... | cond-mat_stat-mech |
Statistical Properties of the Final State in One-dimensional Ballistic
Aggregation: We investigate the long time behaviour of the one-dimensional ballistic
aggregation model that represents a sticky gas of N particles with random
initial positions and velocities, moving deterministically, and forming
aggregates when ... | cond-mat_stat-mech |
Network Mutual Information and Synchronization under Time
Transformations: We investigate the effect of general time transformations on the phase
synchronization (PS) phenomenon and the mutual information rate (MIR) between
pairs of nodes in dynamical networks. We demonstrate two important results
concerning the inva... | cond-mat_stat-mech |
A Random Force is a Force, of Course, of Coarse: Decomposing Complex
Enzyme Kinetics with Surrogate Models: The temporal autocorrelation (AC) function associated with monitoring order
parameters characterizing conformational fluctuations of an enzyme is analyzed
using a collection of surrogate models. The surrogates ... | cond-mat_stat-mech |
Thermodynamics of the Noninteracting Bose Gas in a Two-Dimensional Box: Bose-Einstein condensation (BEC) of a noninteracting Bose gas of N particles
in a two-dimensional box with Dirichlet boundary conditions is studied.
Confirming previous work, we find that BEC occurs at finite N at low
temperatures T without the occ... | cond-mat_stat-mech |
Finite size spectrum of the staggered six-vertex model with
$U_q(\mathfrak{sl}(2))$-invariant boundary conditions: The finite size spectrum of the critical $\mathbb{Z}_2$-staggered spin-$1/2$
XXZ model with quantum group invariant boundary conditions is studied. For a
particular (self-dual) choice of the staggering t... | cond-mat_stat-mech |
Manifestation of Random First Order Transition theory in Wigner glasses: We use Brownian dynamics simulations of a binary mixture of highly charged
spherical colloidal particles to illustrate many of the implications of the
Random First Order Transition (RFOT) theory (PRA 40 1045 (1989)), which is the
only theory that ... | cond-mat_stat-mech |
How a local active force modifies the structural properties of polymers: We study the dynamics of a polymer, described as a variant of a Rouse chain,
driven by an active terminal monomer (head). The local active force induces a
transition from a globule-like to an elongated state, as revealed by the study
of the end-to... | cond-mat_stat-mech |
On the Surface Tensions of Binary Mixtures: For binary mixtures with fixed concentrations of the species, various
relationships between the surface tensions and the concentrations are briefly
reviewed. | cond-mat_stat-mech |
Phase transition in a one-dimensional Ising ferromagnet at
zero-temperature under Glauber dynamics with a synchronous updating mode: In the past decade low-temperature Glauber dynamics for the one-dimensional
Ising system has been several times observed experimentally and occurred to be
one of the most important theo... | cond-mat_stat-mech |
The non-equilibrium phase transition of the pair-contact process with
diffusion: The pair-contact process 2A->3A, 2A->0 with diffusion of individual particles
is a simple branching-annihilation processes which exhibits a phase transition
from an active into an absorbing phase with an unusual type of critical
behaviou... | cond-mat_stat-mech |
Universal microstructure and mechanical stability of jammed packings: Jammed packings' mechanical properties depend sensitively on their detailed
local structure. Here we provide a complete characterization of the pair
correlation close to contact and of the force distribution of jammed
frictionless spheres. In particu... | cond-mat_stat-mech |
Response to a small external force and fluctuations of a passive
particle in a one-dimensional diffusive environment: We investigate the long time behavior of a passive particle evolving in a
one-dimensional diffusive random environment, with diffusion constant $D$. We
consider two cases: (a) The particle is pulled f... | cond-mat_stat-mech |
Topological footprints of the 1D Kitaev chain with long range
superconducting pairings at a finite temperature: We study the 1D Kitaev chain with long range superconductive pairing terms at
a finite temperature where the system is prepared in a mixed state in
equilibrium with a heat reservoir maintained at a constant... | cond-mat_stat-mech |
Field-induced dynamics in the quantum Brownian oscillator: An exact
treatment: We consider a quantum linear oscillator coupled to a bath in equilibrium at
an arbitrary temperature and then exposed to an external field arbitrary in
form and strength. We then derive the reduced density operator in closed form
of the co... | cond-mat_stat-mech |
Localization threshold of Instantaneous Normal Modes from level-spacing
statistics: We study the statistics of level-spacing of Instantaneous Normal Modes in a
supercooled liquid. A detailed analysis allows to determine the mobility edge
separating extended and localized modes in the negative tail of the density of
s... | cond-mat_stat-mech |
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