Density Matrices Arising from Incomplete Measurements
作者： Eyvind H. Wichmann
DOI: 10.1063/1.1704014
关键词: Statistical physics 、 Canonical ensemble 、 Mathematics 、 Grand canonical ensemble 、 Quantum statistical mechanics 、 Partition function (statistical mechanics) 、 Statistical ensemble 、 Open statistical ensemble 、 Classical mechanics 、 Circular ensemble 、 Microcanonical ensemble
摘要: The problem of how to associate a statistical ensemble quantum mechanical system with an incomplete set measured averages is discussed. view adhered in this note that the most chaotic consistent reasonable choice ensemble. properties are studied rigorously for case when associated finite‐dimensional Hilbert space. results extended heuristically some particular ensembles many‐boson and many‐fermion systems.
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