We analyse the large-N limit of a matrix model with quartic self-interaction and external scalar field, by the technique of orthogonal polynomials. The rise of a «spontaneous magnetization» is studied and compared with the previous known results, based on saddle point integration or Schwinger-Dyson equations.
The large-N magnetization in matrix models revisited / E. Montaldi, L. Molinari. - In: NUOVO CIMENTO DELLA SOCIETÀ ITALIANA DI FISICA. D CONDENSED MATTER, ATOMIC, MOLECULAR AND CHEMICAL PHYSICS, BIOPHYSICS. - ISSN 0392-6737. - 15:2-3(1993), pp. 293-298.
The large-N magnetization in matrix models revisited
L. Molinari
1993
Abstract
We analyse the large-N limit of a matrix model with quartic self-interaction and external scalar field, by the technique of orthogonal polynomials. The rise of a «spontaneous magnetization» is studied and compared with the previous known results, based on saddle point integration or Schwinger-Dyson equations.
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