评论:相互作用粒子过阻尼运动的热统计学[ arXiv:1008.1421]
Comment on: Thermostatistics of Overdamped Motion of Interacting Particles [arXiv:1008.1421]
摘要:
在最近的一篇论文中,Phys. Rev. Lett. 105 260601(2010)[arXiv:1008.1421],Andrade等人,他认为,在T=0时被限制在抛物阱中的经典粒子按照Tsallis统计分布。为了证明他们的观点,作者进行了分子动力学模拟。在这里,我们证明Andrade等人的模型可以精确求解。T=0时粒子的分布与Tsallis熵无关,而仅仅由力平衡决定。
英文摘要:
In a recent paper, Phys. Rev. Lett. 105 260601 (2010) [arXiv:1008.1421], Andrade et al., argued that classical particles confined in a parabolic trap at T=0 distribute themselves in accordance with the Tsallis statistics. To prove their point the authors performed molecular dynamics simulations. Here we show that the model of Andrade et al. can be solved exactly. The distribution of particles at T=0 has nothing to do with the Tsallis entropy and is determined simply by the force balance.
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