Physics of $\pi$-Meson Condensation and High Temperature Cuprate Superconductors
Strongly Correlated Electrons
2015-05-13 v1
Abstract
The idea of condensation of the Goldstone -meson field in nuclear matter had been put forward a long time ago. However, it was established that the normal nuclear density is too low, it is not sufficient to condensate -mesons. This is why the -condensation has never been observed. Recent experimental and theoretical studies of high temperature cuprate superconductors have revealed condensation of Goldstone magnons, the effect fully analogous to the -condensation. The magnon condensation has been observed. It is clear now that quantum fluctuations play a crucial role in the condensation, in particular they drive a quantum phase transition that destroys the condensate at some density of fermions.
Keywords
Cite
@article{arxiv.0905.2717,
title = {Physics of $\pi$-Meson Condensation and High Temperature Cuprate Superconductors},
author = {O. P. Sushkov},
journal= {arXiv preprint arXiv:0905.2717},
year = {2015}
}