Results 71 to 80 of about 7,867 (174)
Stochastic Thermodynamics of Ecosystems
Brazilian Journal of PhysicsWe investigate the thermodynamics as well as the population dynamics of ecosystems based on a stochastic approach in which the number of individuals of the several species of the ecosystem are treated as stochastic variables. The several species are connected by feeding relationships that are understood as unidirectional processes in which a certain ...
Tomè, Tânia, de Oliveira, Mário J.
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Modern Stochastic Thermodynamics
, 2011 An increased interest in using equilibrium thermodynamics as an independent macrotheory can be observed in recent years. From a fundamental standpoint, thermodynamics gives an universal macrodescription of nature in which using specific micromodels of objects is unnecessary.
Sukhanov, A. D., Golubjeva, O. N.
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Statistical Physics of the Inflaton Decaying in an Inhomogeneous Random Environment
Advances in High Energy Physics, 2018 We derive a stochastic wave equation for an inflaton in an environment of an infinite number of fields. We study solutions of the linearized stochastic evolution equation in an expanding universe.
Z. Haba
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Stochastic thermodynamics of micromagnetics
Journal of Statistical Mechanics: Theory and ExperimentAbstract In this work, we study the stochastic thermodynamics of micro-magnetic systems. We first formulate the stochastic dynamics of micro-magnetic systems by incorporating noises into the Landau–Lifshitz (LL) equation, which describes the irreversible and deterministic dynamics of magnetic moments. The resulting stochastic LL equation
Ding, Mingnan, Wu, Jun, Xing, Xiangjun
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Physical Review XWe discuss a connection between a generative model, called the diffusion model, and nonequilibrium thermodynamics for the Fokker-Planck equation, called stochastic thermodynamics.
Kotaro Ikeda +3 more
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Thermodynamics of exponential Kolmogorov–Nagumo averages
New Journal of Physics, 2023 This paper investigates generalized thermodynamic relationships in physical systems where relevant macroscopic variables are determined by the exponential Kolmogorov–Nagumo average.
Pablo A Morales +2 more
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Classification of complex systems by their sample-space scaling exponents
New Journal of Physics, 2018 The nature of statistics, statistical mechanics and consequently the thermodynamics of stochastic systems is largely determined by how the number of states W ( N ) depends on the size N of the system. Here we propose a scaling expansion of the phasespace
Jan Korbel, Rudolf Hanel, Stefan Thurner
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On the von Neumann entropy of a bath linearly coupled to a driven quantum system
New Journal of Physics, 2015 The change of the von Neumann entropy of a set of harmonic oscillators initially in thermal equilibrium and interacting linearly with an externally driven quantum system is computed by adapting the Feynman–Vernon influence functional formalism.
Erik Aurell, Ralf Eichhorn
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Stochastic Thermodynamics: A Dynamical Systems Approach
Entropy, 2017 In this paper, we develop an energy-based, large-scale dynamical system model driven by Markov diffusion processes to present a unified framework for statistical thermodynamics predicated on a stochastic dynamical systems formalism. Specifically, using a
Tanmay Rajpurohit, Wassim M. Haddad
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Stochastic thermodynamics: principles and perspectives [PDF]
The European Physical Journal B, 2008 Stochastic thermodynamics provides a framework for describing small systems like colloids or biomolecules driven out of equilibrium but still in contact with a heat bath. Both, a first-law like energy balance involving exchanged heat and entropy production entering refinements of the second law can consistently be defined along single stochastic ...
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