Quantum Statistical Mechanics of Spin Systems in the Coherent State Representation
نویسندگان
چکیده
منابع مشابه
Statistical Mechanics of Quantum Spin Systems. Ill
In the algebraic formulation the thermodynamic pressure, or free energy, of a spin system is a convex continuous function P defined on a Banach space ~3 of translationally invariant interactions. We prove that each tangent functional to the graph of P defines a set of translationally invariant thermodynamic expectation values, l~Iore precisely each tangent functional defines a translationally i...
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The well-known Poisson Summation Formula is analysed from the perspective of the coherent state systems associated with the Heisenberg–Weyl group. In particular, it is shown that the Poisson Summation Formula may be viewed abstractly as a relation between two sets of bases (Zak bases) arising as simultaneous eigenvectors of two commuting unitary operators in which geometric phase plays a key ro...
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ژورنال
عنوان ژورنال: Progress of Theoretical Physics
سال: 1986
ISSN: 1347-4081,0033-068X
DOI: 10.1143/ptp.76.52