2 papers
cond-mat.supr-con2004
D-type Vortex and N-type Vortex in Two-gap Superconductor
Y. M. Cho, Pengming Zhang
We show that the two-gap superconductor has two types of non-Abrikosov magnetic vortex, the D-type which has no concentration of the condensate at the core and the N-type which has…
cond-mat.mes-hall2001
Novel Theory for Topological Structure of Vortices in BEC
Yishi Duan, Xin Liu, Pengming Zhang
By making use of the -mapping topological current theory, a novel expression of in BEC is obtained, which reveals the inner topological structure of vort…