Random matrices and condensation into multiple states.

Random matrices and condensation into multiple states.
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随机矩阵和凝结成多种状态

DOI:
10.1103/physreve.97.032133
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发表时间:
2018
期刊:
Physical review. E
影响因子:
--
通讯作者:
A. Engel
A. Engel
中科院分区:
--
文献类型:
--
作者:
S. Sadeghi;A. Engel

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在目前的工作中,我们采用无序系统的统计力学的方法来调查的静态性质的凝聚成多个国家在一个一般的框架。我们的目的是显示如何典型的随机相互作用矩阵的性质发挥了至关重要的作用,体现凝聚态的统计。特别是,在热力学极限的冷凝态的分数的解析表达式,提供了确认的结果的平均数共存的物种在一个随机锦标赛游戏。我们还研究了凝聚问题与相关随机支付矩阵的零和博弈之间的相互作用。
In the present work, we employ methods from statistical mechanics of disordered systems to investigate static properties of condensation into multiple states in a general framework. We aim at showing how typical properties of random interaction matrices play a vital role in manifesting the statistics of condensate states. In particular, an analytical expression for the fraction of condensate states in the thermodynamic limit is provided that confirms the result of the mean number of coexisting species in a random tournament game. We also study the interplay between the condensation problem and zero-sum games with correlated random payoff matrices.
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