Zobrazeno 1 - 10
of 33
pro vyhledávání: '"Ding, Mingnan"'
In this work, we study the stochastic dynamics of micro-magnetics interacting with a spin-current torque. We extend the previously constructed stochastic Landau-Lifshitz equation to the case with spin-current torque, and verify the conditions of deta
Externí odkaz:
http://arxiv.org/abs/2406.02220
We study stochastic thermodynamics of over-damped Brownian motion in a flowing fluid. Unlike some previous works, we treat the effects of the flow field as a non-conservational driving force acting on the Brownian particle. This allows us to apply th
Externí odkaz:
http://arxiv.org/abs/2404.13845
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 Landau-Lifshitz (LL) equation, which describes the irreversible and dete
Externí odkaz:
http://arxiv.org/abs/2404.13612
We study stochastic thermodynamics of a Brownian particle which is subjected to a temperature gradient and is confined by an external potential. We first formulate an over-damped Ito-Langevin theory in terms of local temperature, friction coefficient
Externí odkaz:
http://arxiv.org/abs/2308.15764
Autor:
Ding, Mingnan, Xing, Xiangjun
Publikováno v:
Quantum 6, 694 (2022)
Path integrals constitute powerful representations for both quantum and stochastic dynamics. Yet despite many decades of intensive studies, there is no consensus on how to formulate them for dynamics in curved space, or how to make them covariant wit
Externí odkaz:
http://arxiv.org/abs/2107.14562
Assuming time-scale separation, a simple and unified theory of thermodynamics and stochastic thermodynamics is constructed for small classical systems strongly interacting with its environment in a controllable fashion. The total Hamiltonian is decom
Externí odkaz:
http://arxiv.org/abs/2105.14539
Many versions of Thermodynamic Uncertainty Relations (TUR) have recently been discovered, which impose lower bounds on relative fluctuations of integrated currents in irreversible dissipative processes, and suggest that there may be fundamental limit
Externí odkaz:
http://arxiv.org/abs/2105.14544
Autor:
Ding, Mingnan, Xing, Xiangjun
Using the recently developed covariant Ito-Langevin dynamics, we develop a non-equilibrium thermodynamic theory for small systems coupled to multiplicative noises. The theory is based on Ito-calculus, and is fully covariant under time-independent non
Externí odkaz:
http://arxiv.org/abs/2105.14534
Publikováno v:
Phys. Rev. Research 2, 043222 (2020)
We study an information-based mechanism of self-propulsion in noisy environment. An information swimmer maintains directional motion by periodically measuring its velocity and accordingly adjusting its friction coefficient. Assuming that the measurem
Externí odkaz:
http://arxiv.org/abs/2008.05832
Publikováno v:
Phys. Rev. Research 2, 033381 (2020)
The multi-dimensional non-linear Langevin equation with multiplicative Gaussian white noises in Ito's sense is made covariant with respect to non-linear transform of variables. The formalism involves no metric or affine connection, works for systems
Externí odkaz:
http://arxiv.org/abs/2007.16131