Parity breaking and phase transition induced by a magnetic field in high $T_c$ superconductors

Abstract

We suggest that the 2+1 dimensional Gross-Neveu model can give an effective field theory description of low-energy quasiparticles in high temperature superconductors. The magnetic catalysis of dynamical symmetry breaking is examined. The model shows that a magnetic field can induce a phase transition associated with parity breaking. In particular, it is intended to give an explanation of a second phase transition observed in a recent experiment by Krishana et al.

Latex 17 pages, 2 figures, added discussions on parity breaking, final version to appear in Nuc. Phys. B

References in corpus (6)

• The Unusual Superconducting State of Underdoped Cuprates
• Magnetic Induction of d + i d Order in High-Tc Superconductors
• On edge states in superconductor with time inversion symmetry breaking
• Theory of Quasi-Particles in the Underdoped High Tc Superconducting State
• Phase transition induced by a magnetic field
• Effective Field Theories in the Large $N$ Limit

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