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http://hdl.handle.net/10071/22960
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Title: Complex (super)-matrix models with external sources and q-ensembles of Chern–Simons and ABJ(M) type
Authors: Santilli, Leonardo
Tierz, M.
Keywords: Random matrix ensembles
Matrix model formulation of gauge theories
Non-commutative field theory
Issue Date: 2020
Publisher: IOP Publishing
Abstract: The Langmann–Szabo–Zarembo (LSZ) matrix model is a complex matrix model with a quartic interaction and two external matrices. The model appears in the study of a scalar field theory on the non-commutative plane. We prove that the LSZ matrix model computes the probability of atypically large fluctuations in the Stieltjes–Wigert matrix model, which is a q-ensemble describing U(N) Chern–Simons theory on the three-sphere. The correspondence holds in a generalized sense: depending on the spectra of the two external matrices, the LSZ matrix model either describes probabilities of large fluctuations in the Chern–Simons partition function, in the unknot invariant or in the two-unknot invariant. We extend the result to supermatrix models, and show that a generalized LSZ supermatrix model describes the probability of atypically large fluctuations in the ABJ(M) matrix model.
Peer reviewed: yes
URI: http://hdl.handle.net/10071/22960
DOI: 10.1088/1751-8121/abb6b0
ISSN: 1751-8113
Ciência-IUL: https://ciencia.iscte-iul.pt/id/ci-pub-74205
Accession number: WOS:000576942800001
Appears in Collections:DM-RI - Artigos em revistas científicas internacionais

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