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Can the macroscopic fluctuation theory be quantized? [PDF]

open access: yesJournal of Physics A: Mathematical and Theoretical, 2021
Abstract The macroscopic fluctuation theory (MFT) is an effective framework to describe transports and their fluctuations in classical out-of-equilibrium diffusive systems. Whether the MFT may be extended to the quantum realm and which form this extension may take is yet terra incognita but is a timely question.
Bernard, Denis
openaire   +5 more sources

Shifted Brownian Fluctuation Game

open access: yesMathematics, 2022
This article analyzes the behavior of a Brownian fluctuation process under a mixed strategic game setup. A variant of a compound Brownian motion has been newly proposed, which is called the Shifted Brownian Fluctuation Process to predict the turning ...
Song-Kyoo (Amang) Kim
doaj   +3 more sources

Speed limits to fluctuation dynamics

open access: yesCommunications Physics
Fluctuation dynamics of an experimentally measured observable offer a primary signal for nonequilibrium systems, along with dynamics of the mean. While universal speed limits for the mean have actively been studied recently, constraints for the speed of ...
Ryusuke Hamazaki
doaj   +3 more sources

Anisothermal chemical reactions: Onsager--Machlup and macroscopic fluctuation theory [PDF]

open access: yes, 2021
We study a micro and macroscopic model for chemical reactions with feedback between reactions and temperature of the solute. The first result concerns the quasipotential as the large-deviation rate of the microscopic invariant measure.
Renger, D. R. Michiel
core   +1 more source

Field theory of fluctuations in glasses [PDF]

open access: yesThe European Physical Journal E, 2011
We develop a field-theoretical description of dynamical heterogeneities and fluctuations in supercooled liquids close to the (avoided) MCT singularity. Using quasi-equilibrium arguments we eliminate time from the description and we completely characterize fluctuations in the beta regime.
S. Franz   +3 more
openaire   +5 more sources

Two-Person Stochastic Duel with Energy Fuel Constraint Ammo

open access: yesMathematics, 2023
This paper deals with a novel variation of the versatile stochastic duel game that incorporates an energy fuel constraint into a two-player duel game. The energy fuel not only measures the vitality of players but also determines the power of the shooting
Song-Kyoo (Amang) Kim
doaj   +1 more source

Discrete and Continuous Operational Calculus in N-Critical Shocks Reliability Systems with Aging under Delayed Information

open access: yesMathematics, 2023
We study a reliability system subject to occasional random shocks of random magnitudes W0,W1,W2,… occurring at times τ0,τ1,τ2,…. Any such shock is harmless or critical dependent on Wk≤H or Wk>H, given a fixed threshold H.
Jewgeni H. Dshalalow, Hend Aljahani
doaj   +1 more source

Theory of Critical Fluctuations [PDF]

open access: yesPhysical Review, 1949
A macroscopic system is subdivided into cells of identical size and shape arranged in a regular spatial array. The method of canonical ensembles would consider one of the cells, schematizing the rest into a "reservoir." The present "cellular method" treats the cells on an equal footing and is appropriate to deal with the fluctuations near the critical ...
Klein, M. J., Tisza, L.
openaire   +1 more source

Random Walk Analysis in a Reliability System under Constant Degradation and Random Shocks

open access: yesAxioms, 2021
In this paper, we study a reliability system subject to occasional random shocks hitting an underlying device in accordance with a general marked point process with position dependent marking.
Jewgeni H. Dshalalow, Ryan T. White
doaj   +1 more source

Fluctuating quantum kinetic theory

open access: yesPhysical Review B, 2022
17pp
T. R. Kirkpatrick, D. Belitz
openaire   +2 more sources

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