Andreev Reflection in Bosonic Condensates
Journal Article
·
· Physical Review Letters
- Departamento de Fisica de Materiales, Universidad Complutense de Madrid, E-28040 Madrid (Spain)
We study the bosonic analog of Andreev reflection at a normal-superfluid interface where the superfluid is a boson condensate. We model the normal region as a zone where nonlinear effects can be neglected. Against the background of a decaying condensate, we identify a novel contribution to the current of reflected atoms. The group velocity of this Andreev reflected component differs from that of the normally reflected one. For a three-dimensional planar or two-dimensional linear interface Andreev reflection is neither specular nor conjugate.
- OSTI ID:
- 21316676
- Journal Information:
- Physical Review Letters, Vol. 102, Issue 18; Other Information: DOI: 10.1103/PhysRevLett.102.180405; (c) 2009 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0031-9007
- Country of Publication:
- United States
- Language:
- English
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