TY - JOUR
T1 - Spin polarization of half-quantum vortex in systems with equal spin pairing
AU - Vakaryuk, Victor
AU - Leggett, Anthony J.
PY - 2009/8/6
Y1 - 2009/8/6
N2 - We present a variational analysis for a half-quantum vortex (HQV) in the equal-spin-pairing superfluid state which, under suitable conditions, is believed to be realized in Sr2RuO4 and He3-A. Our approach is based on a description of the HQV in terms of a BCS-like wave function with a spin-dependent boost. We predict a novel feature: the HQV, if stable, should be accompanied by a nonzero spin polarization. Such a spin polarization would exist in addition to the one induced by the Zeeman coupling to the external field and hence may serve as an indicator in experimental search for HQV.
AB - We present a variational analysis for a half-quantum vortex (HQV) in the equal-spin-pairing superfluid state which, under suitable conditions, is believed to be realized in Sr2RuO4 and He3-A. Our approach is based on a description of the HQV in terms of a BCS-like wave function with a spin-dependent boost. We predict a novel feature: the HQV, if stable, should be accompanied by a nonzero spin polarization. Such a spin polarization would exist in addition to the one induced by the Zeeman coupling to the external field and hence may serve as an indicator in experimental search for HQV.
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U2 - 10.1103/PhysRevLett.103.057003
DO - 10.1103/PhysRevLett.103.057003
M3 - Article
AN - SCOPUS:68849124910
SN - 0031-9007
VL - 103
JO - Physical review letters
JF - Physical review letters
IS - 5
M1 - 057003
ER -