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- Chinese Academy of SciencesCN41 papers
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- National Astronomical ObservatoriesCN11 papers
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7 papers · 1 filter
Efficiency at maximum power of Feynman's ratchet as a heat engine
Z. C. Tu
The maximum power of Feynman's ratchet as a heat engine and the corresponding efficiency () are investigated by optimizing both the internal parameter and the external load…
Optimal path of diffusion over the saddle point and fusion of massive nuclei
Chun-Yang Wang, Ying Jia, Jing-Dong Bao
Diffusion of a particle passing over the saddle point of a two-dimensional quadratic potential is studied via a set of coupled Langevin equations and the expression for the passing…
The Third Law of Quantum Thermodynamics in the Presence of Anomalous Couplings
Chun-Yang Wang, Jing-Dong Bao
The quantum thermodynamic functions of a harmonic oscillator coupled to a heat bath through velocity-dependent coupling are obtained analytically. It is shown that both the free en…
State transition of a non-Ohmic damping system in a corrugated plane
Kun Lü, Jing-Dong Bao
Anomalous transport of a particle subjected to non-Ohmic damping of the power in a tilted periodic potential is investigated via Monte Carlo simulation of generalized Langevin…
Intermediate dynamics between Newton and Langevin
Jing-Dong Bao, Yi-Zhong Zhuo, Fernando A. Oliveira +1
A dynamics between Newton and Langevin formalisms is elucidated within the framework of the generalized Langevin equation. For thermal noise yielding a vanishing zero-frequency fri…
Geometric properties of two-dimensional O(n) loop configurations
Chengxiang Ding, Xiaofeng Qian, Youjin Deng +2
We study the fractal geometry of O() loop configurations in two dimensions by means of scaling and a Monte Carlo method, and compare the results with predictions based on the Co…