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Russo, J. G. & Tierz, M. (2020). Multiple phases in a generalized Gross-Witten-Wadia matrix model. Journal of High Energy Physics. 2020 (9)
R. J. G. and M. T. Parra, "Multiple phases in a generalized Gross-Witten-Wadia matrix model", in Journal of High Energy Physics, vol. 2020, no. 9, 2020
@article{g.2020_1714674329036, author = "Russo, J. G. and Tierz, M.", title = "Multiple phases in a generalized Gross-Witten-Wadia matrix model", journal = "Journal of High Energy Physics", year = "2020", volume = "2020", number = "9", doi = "10.1007/JHEP09(2020)081", url = "https://www.springer.com/journal/13130" }
TY - JOUR TI - Multiple phases in a generalized Gross-Witten-Wadia matrix model T2 - Journal of High Energy Physics VL - 2020 IS - 9 AU - Russo, J. G. AU - Tierz, M. PY - 2020 SN - 1126-6708 DO - 10.1007/JHEP09(2020)081 UR - https://www.springer.com/journal/13130 AB - 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. ER -