This article is cited in 17 papers

Magnetic Catalysis of the $\operatorname{P}$-Parity-Breaking Phase Transition of the First Order and High-Temperature Superconductivity

V. Ch. Zhukovskii^a, K. G. Klimenko<sup>b

a</sup> M. V. Lomonosov Moscow State University
^b Institute for High Energy Physics

Abstract: In the framework of a $(2+1)$-dimensional $\operatorname{P}$-even gauge theory based on the massive Gross–Neveu model, we show that an external magnetic field induces the P-parity-breaking phase transition of the first order. A dynamical generation of the Chern–Simons term and fractional particle spin and statistics occurs at the critical point. The results in the paper can be interesting in connection with recently discovered phase transitions in high-temperature superconductors.

Keywords: phase transitions, magnetic catalysis, high-temperature superconductivity.

Received: 16.01.2002
Revised: 18.07.2002

DOI: 10.4213/tmf158

 English version: Theoretical and Mathematical Physics, 2003, 134:2, 254–270

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