Spontaneous translation symmetry breakdown for quantum lattice systems (Q1093861)
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scientific article; zbMATH DE number 4024056
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Spontaneous translation symmetry breakdown for quantum lattice systems |
scientific article; zbMATH DE number 4024056 |
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Spontaneous translation symmetry breakdown for quantum lattice systems (English)
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1985
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We study the set of equilibrium states for quantum lattice states in the presence of a translation symmetry of the model. We derive a characterization of the spontaneous breaking of this symmetry, i.e. the decomposition of an invariant equilibrium state into a mixture of noninvariant equilibrium states, in terms of the separability in mean energy of these states for a class of perturbed dynamics.
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Choquet simplex
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invariant mean
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symmetry breakdown
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equilibrium states for quantum lattice states
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translation symmetry
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decomposition of an invariant equilibrium state into a mixture of noninvariant equilibrium states
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separability in mean energy
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0.8926799
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0.88795674
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0.8632115
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0.8618673
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0.86043864
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0.85784227
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0.85769886
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