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Field theory of the two-dimensional ising model: II. Nonlocal specific heat (1981)

Ferrell, Richard A.

Springer

Journal of statistical physics 25 (1981), S. 361-366

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ISSN: 1572-9613

Schlagwort(e): Ising model ; field theory ; specific heat, nonlocality ; wave number dependence ; spectral function ; analytic continuation

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract The nonlocal specific heat is calculated for the two-dimensional Ising model and found to be identical to that found by Bray for the four-dimensional model. Furthermore, it is noted that analytic continuation in terms of a spectral function provides an especially simple description of the nonlocal specific heat. From unitarity the spectral function is the rate of pair production in the Minkowski metric, and is calculated to be equal to the velocity of the outgoing particles.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01022191

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