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Disjointness of β-KMS states with different chemical potential

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Abstract

The disjointness of β-KMS states with different chemical potential is proved. Accordingly, states with different chemical potential are in different superselection sectors so that the chemical potential is a classical observable.

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  1. Laboratory of Physical Chemistry, Swiss Federal Institute of Technology, CH-8092, Zurich, Switzerland

    U. Müller-Herold

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  1. U. Müller-Herold
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Müller-Herold, U. Disjointness of β-KMS states with different chemical potential. Lett Math Phys 4, 45–48 (1980). https://doi.org/10.1007/BF00419804

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  • DOI: https://doi.org/10.1007/BF00419804

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