pith. sign in

arxiv: cond-mat/9710323 · v1 · submitted 1997-10-29 · ❄️ cond-mat.supr-con

Magnetic impurity induced id_(xy) component and spontaneous time reversal and parity breaking in a d_(x²-y²)-wave superconductor

classification ❄️ cond-mat.supr-con
keywords impuritycomponentphaseinducedmagneticorderparitypatches
0
0 comments X
read the original abstract

It is shown that the patches of complex d_{xy} component are generated around magnetic impurity in the presence of the coupling between orbital moment of the condensate and impurity spin S. Locally induced d_{xy} gap leads to the fully gapped quasiparticle spectrum near impurity. The phase of the induced i d_{xy} component is determined by impurity spin and averages to zero at high temperatures. It is suggested that at low temperature the well defined patches of d_{xy} are formed and they can undergo a phase transition into phase locked state via Josephson effect. Violation of time-reversal symmetry and parity occurs spontaneously via the second order transition. In the ordered phase both impurity magnetization and d_{xy} component of the order parameter develop and are proportional to each other.

This paper has not been read by Pith yet.

discussion (0)

Sign in with ORCID, Apple, or X to comment. Anyone can read and Pith papers without signing in.