Results 81 to 90 of about 23,766 (167)
Yet another surprise in the problem of classical diamagnetism [PDF]
, 2009 The well known Bohr-van Leeuwen Theorem states that the orbital diamagnetism of classical charged particles is identically zero in equilibrium. However, results based on real space-time approach using the classical Langevin equation predicts non-zero ...
A. M. JAYANNAVAR +5 more
core +2 more sources
Work as an external quantum observable and an operational quantum work fluctuation theorem
Physical Review Research, 2020 We propose a definition of externally measurable quantum work in driven systems. Work is given as a quantum observable on a control device which is forcing the system and can be determined without knowledge of the system Hamiltonian H[over ̂]_{S}.
Konstantin Beyer +2 more
doaj +1 more source
Equilibrium stochastic delay processes
New Journal of Physics, 2022 Stochastic processes with temporal delay play an important role in science and engineering whenever finite speeds of signal transmission and processing occur.
Viktor Holubec +3 more
doaj +1 more source
Fluctuation-dissipation considerations and damping models for ferromagnetic materials
, 2005 The role of fluctuation-dissipation relations (theorems) for the magnetization dynamics with Landau-Lifshitz-Gilbert and Bloch-Bloembergen damping terms are discussed.
A. G. Gurevich +14 more
core +1 more source
Fluctuation theorems for multitime processes
Physical Review A, 2022 14 pages, 2 ...
openaire +2 more sources
Emergence of fluctuation relations in UNO
Physical Review ResearchIn the last two decades, fluctuation theorems have been proved formally and demonstrated experimentally for several variables (such as entropy production, work, or flux) and different noises causing the fluctuations (of either thermal or other origin ...
Peter Sidajaya +3 more
doaj +1 more source
From Global to Local Fluctuation Theorems [PDF]
, 2001 The Gallavotti-Cohen fluctuation theorem suggests a general symmetry in the fluctuations of the entropy production, a basic concept in the theory of irreversible processes, based on results in the theory of strongly chaotic maps. We study this symmetry
Maes, Christian +2 more
core +3 more sources
From free energy measurements to thermodynamic inference in nonequilibrium small systems
New Journal of Physics, 2015 Fluctuation theorems (FTs), such as the Crooks or Jarzynski equalities (JEs), have become an important tool in single-molecule biophysics where they allow experimentalists to exploit thermal fluctuations and measure free-energy differences from non ...
A Alemany +2 more
doaj +1 more source
Quantum nonequilibrium equalities with absolute irreversibility
New Journal of Physics, 2015 We derive quantum nonequilibrium equalities in absolutely irreversible processes. Here by absolute irreversibility we mean that in the backward process the density matrix does not return to the subspace spanned by those eigenvectors that have nonzero ...
Ken Funo, Yûto Murashita, Masahito Ueda
doaj +1 more source
Nonequilibrium thermodynamics of erasure with superconducting flux logic
Physical Review Research, 2020 We implement a thermal-fluctuation-driven logical bit reset on a superconducting flux logic cell. We show that the logical state of the system can be continuously monitored with only a small perturbation to the thermally activated dynamics at 500 mK.
Olli-Pentti Saira +7 more
doaj +1 more source