Quantum \(n\)-vector anharmonic crystal. I: \(1/n\)-expansion

DOI10.1007/s002200050668zbMath0936.47045OpenAlexW2094275917MaRDI QIDQ1809241

N. Angelescu, Valentin A. Zagrebnov, André F. Verbeure

Publication date: 16 December 1999

Published in: Communications in Mathematical Physics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s002200050668

zbMATH Keywords

distributions of the displacementfinite-volume quantum \(n\)-vector anharmonic crystalGibbs canonical stateHartree-Fock systemsquared displacement fluctuation operators

Mathematics Subject Classification ID

Applications of operator theory in the physical sciences (47N50) General mathematical topics and methods in quantum theory (81Q99)

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