Authors: Stolze, Joachim
Leschke, Hajo
Moraweck, Michael
Title: Unity-resolving states and generalised Golden-Thompson bounds on partition functions
Language (ISO): en
Abstract: It is shown that certain sets of normalised unity-resolving (e.g. coherent) states in Hilbert space serve to generate upper bounds on the partition function of a given Hamiltonian in that space. These bounds may be viewed as generalisations of bounds derived previously by Golden, Thompson, Hepp and Lieb (see Phys. Rev. A, vol.8, p.2517, 1973). The new bounds are compared to the original Golden-Thompson bound by proving several theorems and by computing explicit examples.
URI: http://hdl.handle.net/2003/25415
http://dx.doi.org/10.17877/DE290R-3324
Publishers Link: http://t1.physik.tu-dortmund.de/stolze/publications/JPA_13_1311.pdf
Issue Date: 1980-04-01
Rights: Copyright © 1980 Institute of Physics
Publisher: Institute of Physics
URL: http://dx.doi.org/10.1088/0305-4470/13/4/023
Citation: Leschke, Hajo; Stolze, Joachim; Moraweck, Michael: Unity-resolving states and generalised Golden-Thompson bounds on partition functions. In: Journal of Physics A Nr. 4, Jg. 13(1980), S. 1311-1324, doi:10.1088/0305-4470/13/4/023.
Appears in Collections:Stolze, Joachim Prof. Dr.

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