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Tunneling through sphalerons: the O(3) σ-model on a cylinder

✍ Scribed by Jeroen Snippe


Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
499 KB
Volume
335
Category
Article
ISSN
0370-2693

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We present a microscopic theory of the thermal damping force on a macroscopic object moving through the B-phase of superfluid 3He in the ballistic regime. The force arises from an imbalance between the quasiparticle and quasihole contributions to the momentum transfer resulting from Andreev reflecti