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http://hdl.handle.net/2445/179262
Title: | Multiple phases in a generalized Gross-Witten-Wadia matrix model |
Author: | Russo, J. G. (Jorge Guillermo) Tierz, Miguel |
Keywords: | Química quàntica Quantum chemistry |
Issue Date: | 10-Sep-2020 |
Publisher: | Springer Verlag |
Abstract: | We study a unitary matrix model of the Gross-Witten-Wadia type, extended with the addition of characteristic polynomial insertions. The model interpolates between solvable unitary matrix models and is the unitary counterpart of a deformed Cauchy ensemble. Exact formulas for the partition function and Wilson loops are given in terms of Toeplitz determinants and minors and large N results are obtained by using Szegö theorem with a Fisher-Hartwig singularity. In the large N (planar) limit with two scaled couplings, the theory exhibits a surprisingly intricate phase structure in the two-dimensional parameter space. |
Note: | Reproducció del document publicat a: https://doi.org/10.1007/JHEP09(2020)081 |
It is part of: | Journal of High Energy Physics, 2020, vol. 9, num. 81 |
URI: | http://hdl.handle.net/2445/179262 |
Related resource: | https://doi.org/10.1007/JHEP09(2020)081 |
ISSN: | 1126-6708 |
Appears in Collections: | Articles publicats en revistes (Física Quàntica i Astrofísica) |
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