標題: Spontaneous vortex state and ferromagnetic behavior of type-II p-wave superconductors
作者: Knigavko, A
Rosenstein, B
電子物理學系
Department of Electrophysics
公開日期: 1-Oct-1998
摘要: The mixed phase in type-II superconductors with equal spin p-wave pairing is considered using the Ginzburg-Landau approach. Due to direct spin coupling of the condensate to magnetic field the mixed state acquires ferromagnetic properties. For sufficiently large Zeeman coupling a spontaneous vortex phase appears at H=0 and exists and for an arbitrarily large magnetic field. The Meissner phase therefore completely disappears. Vortices become thinner when H grows. There exists a value of Zeeman coupling above which, in the presence of external magnetic field, a mixed phase might occur even for temperatures above T-c. The structure of the vortex core is markedly different from the usual one. [S0163-1829(98)06137-2].
URI: http://hdl.handle.net/11536/31826
ISSN: 0163-1829
期刊: PHYSICAL REVIEW B
Volume: 58
Issue: 14
起始頁: 9354
結束頁: 9364
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