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- Title
Quantum Phase Transition for the BEC–BCS Crossover in Condensed Matter Physics and CPT Violation in Elementary Particle Physics.
- Authors
Klinkhamer, F. R.; Volovik, G. E.
- Abstract
We discuss the quantum phase transition that separates a vacuum state with fully gapped fermion spectrum from a vacuum state with topologically protected Fermi points (gap nodes). In the context of condensed-matter physics, such a quantum phase transition with Fermi point splitting may occur for a system of ultracold fermionic atoms in the region of BEC–BCS crossover, provided Cooper pairing occurs in the non-s-wave channel. For elementary particle physics, the splitting of Fermi points may lead to CPT violation, neutrino oscillations, and other phenomena. © 2004 MAIK “Nauka / Interperiodica”.
- Subjects
PHASE transitions; STATISTICAL physics; PARTICLES (Nuclear physics); FERMIONS; CONDENSED matter; QUANTUM statistics
- Publication
JETP Letters, 2004, Vol 80, Issue 5, p343
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/1.1825119