Universality class of the mode-locked glassy random laser

被引：4

作者：

Niedda, Jacopo ^{[1
,2
]}

Gradenigo, Giacomo ^{[2
,3
,4
]}

Leuzzi, Luca ^{[1
,2
]}

Parisi, Giorgio ^{[1
,2
,5
,6
]}

机构：

[1] Univ Roma Sapienza, Dipartimento Fis, Piazzale A Moro 2, I-00185 Rome, Italy

[2] CNR, Soft & Living Matter Lab, NANOTEC, Piazzale A Moro 2, I-00185 Rome, Italy

[3] Gran Sasso Sci Inst, Viale F Crispi 7, I-67100 Laquila, Italy

[4] INFN, Lab Nazl Gran Sasso, Via G Acitelli 22, I-67100 Assergi, AQ, Italy

[5] INFN, Sez Roma 1, Ple A Moro 5, I-00185 Rome, Italy

[6] Accademia Nazl Lincei, Palazzo Corsini,Via Lungara 10, I-00165 Rome, Italy

来源：

SCIPOST PHYSICS | 2023年 / 14卷 / 06期

基金：

欧洲研究理事会;

关键词：

Attribution; 4; 0 International License; TRANSITION; PHASE; RESONATORS; SCATTERING; EMISSION; LOCKING;

D O I：

10.21468/SciPostPhys.14.6.144

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

By means of enhanced Monte Carlo numerical simulations parallelized on GPUs we study the critical properties of the spin-glass-like model for the mode-locked glassy random laser, a 4-spin model with complex spins with a global spherical constraint and quenched random interactions. Implementing two different boundary conditions for the mode frequencies we identify the critical points and the critical indices of the random lasing phase transition with finite size scaling techniques. The outcome of the scaling analysis is that the mode-locked random laser universality class is compatible with a mean-field one, though different from the mean-field class of the Random Energy Model and of the glassy random laser in the narrow band approximation, that is, the fully connected version of the present model. The low temperature (high pumping) phase is finally characterized by means of the overlap distribution and evidence for the onset of replica symmetry breaking in the lasing regime is provided.

引用

页数：29

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