Results 31 to 40 of about 132,756 (302)
Some speculations about local thermalization of nonequilibrium extended quantum systems
Condensed Matter Physics, 2023 We discuss the possibility of defining an emergent local temperature in extended quantum many-body systems evolving out of equilibrium. For the most simple case of free-fermionic systems, we give an explicit formula for the effective temperature in the ...
M. Coppola, D. Karevski
doaj +1 more source
Thermodynamics, Statistical Mechanics and Entropy
Entropy, 2017 The proper definition of thermodynamics and the thermodynamic entropy is discussed in the light of recent developments. The postulates for thermodynamics are examined critically, and some modifications are suggested to allow for the inclusion of long ...
Robert H. Swendsen
doaj +1 more source
Statistical mechanics of the neocortex
Progress in Biophysics and Molecular Biology, 2009 We analyze neocortical dynamics using field theoretic methods for non-equilibrium statistical processes. Assuming the dynamics is Markovian, we introduce a model that describes both neural fluctuations and responses to stimuli. We show that at low spiking rates, neocortical activity exhibits a dynamical phase transition which is in the universality ...
Michael A, Buice, Jack D, Cowan
openaire +2 more sources
Statistical Mechanics of Voting [PDF]
Physical Review Letters, 1998 Decision procedures aggregating the preferences of multiple agents can produce cycles and hence outcomes which have been described heuristically as `chaotic'. We make this description precise by constructing an explicit dynamical system from the agents' preferences and a voting rule. The dynamics form a one dimensional statistical mechanics model; this
Meyer, David A., Brown, Thad A.
openaire +2 more sources
ComputationWe are interested in determining the physics bound for the detection of signals in modern digital radio frequency (RF) hardware. Classical signal theory (Kalman filters) requires that the signal-to-noise power ratio (SNR) >10, but this is not the physics
Peter D. Morley
doaj +1 more source
Statistical Mechanics of Nonequilibrium Liquids
, 2007 "There is a symbiotic relationship between theoretical nonequilibrium statistical mechanics on the one hand and the theory and practice of computer simulation on the other.
Evans, Denis J +4 more
core +1 more source
Work statistics in stochastically driven systems
New Journal of Physics, 2014 We identify the conditions under which a stochastic driving that induces energy changes into a system coupled with a thermal bath can be treated as a work source.
Gatien Verley +2 more
doaj +1 more source
Statistical Mechanics of Crabgrass
The Annals of Probability, 1989 The authors investigate the time evolution of the contact branching particle processes on \({\mathbb{Z}}^ d/M=\{(x_ 1/M,...,x_ d/M)\}\in {\mathbb{R}}^ d,\) \(x\in {\mathbb{Z}}^ d\). The critical rate of births \(\lambda_ c(M)>0\) is introduced, \(\lambda_ c(M)=\inf \{\lambda:\) the contact process survives with positive probability\(\}\).
Bramson, M., Durrett, R., Swindle, G.
openaire +2 more sources
Is Kaniadakis κ-generalized statistical mechanics general?
Physics Letters B, 2023 In this Letter we introduce some field-theoretic approach for computing the critical properties of systems undergoing continuous phase transitions governed by the κ-generalized statistics, namely κ-generalized statistical field theory.
T.F.A. Alves +4 more
doaj +1 more source
Statistical Mechanics Involving Fractal Temperature
Fractal and Fractional, 2019 In this paper, the Schrödinger equation involving a fractal time derivative is solved and corresponding eigenvalues and eigenfunctions are given. A partition function for fractal eigenvalues is defined.
Alireza Khalili Golmankhaneh
doaj +1 more source