0000000000635489
AUTHOR
G. E. Volovik
showing 2 related works from this author
Nexus and Dirac lines in topological materials
2015
We consider the Z2 topology of the Dirac lines, i.e., lines of band contacts, on an example of graphite. Four lines—three with topological charge N1 = 1each and one with N1 = -1—merge together near the H-point and annihilate due to summation law1 ++-= 1110. The merging point is similar to the real-space nexus, an analog of the Dirac monopole at which the Z2 strings terminate. peerReviewed
Momentum creation by vortices in 3He experiments as a model of primordial baryogenesis
1996
We show that recent 3He experiments at Manchester demonstrate the creation of excitation momentum (momentogenesis) by quantized vortices, a process analogous to baryogenesis within cosmic strings. Since superfluid 3He is the most complex field theoretic system available in the laboratory, this experiment gives a firmer foundation to chiral anomaly calculations for baryogenesis on non-trivial backgrounds of the Higgs field such as cosmic strings.