scholarly journals Noncollective excitations in low-energy heavy-ion reactions: Applicability of the random-matrix model

2013 ◽  
Vol 88 (4) ◽  
Author(s):  
S. Yusa ◽  
K. Hagino ◽  
N. Rowley
Keyword(s):  
Matrix Model ◽  
Random Matrix ◽  
Heavy Ion ◽  
Low Energy ◽  
Heavy Ion Reactions ◽  
Random Matrix Model

scholarly journals Extremal correlators and random matrix theory

2021 ◽  
Vol 2021 (4) ◽  
Author(s):  
Alba Grassi ◽  
Zohar Komargodski ◽  
Luigi Tizzano
Keyword(s):  
Field Theory ◽  
Gauge Theory ◽  
Matrix Model ◽  
Effective Field Theory ◽  
Random Matrix ◽  
Correlation Functions ◽  
Matrix Theory ◽  
Effective Field ◽  
Random Matrix Model ◽  
Large Charge

Abstract We study the correlation functions of Coulomb branch operators of four-dimensional $$ \mathcal{N} $$ N = 2 Superconformal Field Theories (SCFTs). We focus on rank-one theories, such as the SU(2) gauge theory with four fundamental hypermultiplets. “Extremal” correlation functions, involving exactly one anti-chiral operator, are perhaps the simplest nontrivial correlation functions in four-dimensional Quantum Field Theory. We show that the large charge limit of extremal correlators is captured by a “dual” description which is a chiral random matrix model of the Wishart-Laguerre type. This gives an analytic handle on the physics in some particular excited states. In the limit of large random matrices we find the physics of a non-relativistic axion-dilaton effective theory. The random matrix model also admits a ’t Hooft expansion in which the matrix is taken to be large and simultaneously the coupling is taken to zero. This explains why the extremal correlators of SU(2) gauge theory obey a nontrivial double scaling limit in states of large charge. We give an exact solution for the first two orders in the ’t Hooft expansion of the random matrix model and compare with expectations from effective field theory, previous weak coupling results, and we analyze the non-perturbative terms in the strong ’t Hooft coupling limit. Finally, we apply the random matrix theory techniques to study extremal correlators in rank-1 Argyres-Douglas theories. We compare our results with effective field theory and with some available numerical bootstrap bounds.

scholarly journals Asymptotics of the partition function of a random matrix model

2005 ◽  
Vol 55 (6) ◽  
pp. 1943-2000 ◽  
Author(s):  
Pavel M. Bleher ◽  
Alexander Its
Keyword(s):  
Partition Function ◽  
Matrix Model ◽  
Random Matrix ◽  
Random Matrix Model

Random-matrix model for hot metallic clusters

1995 ◽  
Vol 51 (5) ◽  
pp. 3902-3910 ◽  
Author(s):  
C. Brechignac ◽  
Ph. Cahuzac ◽  
J. Leyginer ◽  
A. Sarfati ◽  
V. M. Akulin
Keyword(s):  
Matrix Model ◽  
Random Matrix ◽  
Metallic Clusters ◽  
Random Matrix Model
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