期刊
PHYSICAL REVIEW LETTERS
卷 92, 期 21, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.92.210402
关键词
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In the course of high-precision measurements of the relation between the superflow current J through a weak link in He-3-B and the difference in order parameter phase between each side of the link Phi in a flexible wall Helmholtz resonator equipped with a rotation pickup loop, we have observed the signature of a stable textural defect that sustains a change of the phase by pi across it. Cosmiclike solitons, proposed by Salomaa and Volovik and hitherto thought unstable, can constitute such a defect.
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