States of Classical Statistical Mechanics

States of Classical Statistical Mechanics
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经典统计力学的现状

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发表时间:
1967
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通讯作者:
D. Ruelle
D. Ruelle
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作者:
D. Ruelle

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在经典统计力学中,无穷大系统的状态通常用它的关联函数来描述。我们在这里特别讨论其他的描述:(1)B* 代数上的一个状态;(2)密度分布的集合;(3)场论;(4)无限多粒子的构形空间上的一个测度。我们考虑这些不同的描述之间的关系,并证明,在非常一般的条件下,一个状态的积分表示为对应于纯相位的“极值不变状态”的叠加。
A state of an infinite system in classical statistical mechanics is usually described by its correlation functions. We discuss here other descriptions in particular: as (1) a state on a B* algebra; (2) a collection of density distributions; (3) a field theory; (4) a measure on a ``space of configurations of infinitely many particles.' We consider the relations between these various descriptions and prove, under very general conditions, an integral representation of a state as superposition of ``extremal invariant states' corresponding to pure thermodynamical phases.