Dynamics of Quantum Vorticity in a Random Potential
Journal Article
·
· Physical Review Letters
- Department of Physics, Montana State University, Bozeman Montana 59717 (United States)
I study the dynamics of a superfluid vortex in a random potential, as in the inner crust of a neutron star. Below a critical flow velocity of the ambient superfluid, a vortex is effectively immobilized by lattice forces even in the limit of zero dissipation. Low-velocity, translatory motion is not dynamically possible, a result with important implications for understanding neutron star precession and the dynamical properties of superfluid nuclear matter.
- OSTI ID:
- 21180327
- Journal Information:
- Physical Review Letters, Vol. 102, Issue 13; Other Information: DOI: 10.1103/PhysRevLett.102.131101; (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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