Pairing in high-temperature superconductors and Berry phase
Physics and Applied Mathematics Unit,
Indian Statistical Institute Calcutta 700035, India
Accepted: 16 July 2001
The topological approach to the understanding of pairing mechanism in high-Tc superconductors analyses the relevance of the Berry phase factor in this context. This also gives evidence for the pairing mechanism to be of magnetic origin.
PACS: 74.20.Mn – Nonconventional mechanisms (spin fluctuations, polarons and bipolarons, resonating valence bond model, anyon mechanism, marginal Fermi liquid, Luttinger liquid, etc.) / 74.20.-z – Theories and models of superconducting state
© EDP Sciences, 2001