19,028 research outputs found
Some Properties of Charge-Conjugated Spinors in dimensions
Spinors for an arbitrary Minkowski space with signature (, ) are
reassessed in connection with -dimensional free Dirac action. The
possibility of writing down kinetic and mass terms for charge-conjugated
spinors is discussed in terms of the number of time-like directions of the
space-time.Comment: 6 pages (latex
Geometric Phase for Fermionic Quasiparticles Scattering by Disgyration in Superfluids
We consider a Volovik's analog model for description of a topological defects
in a superfluid and we investigate the scattering of quasiparticles in this
background. The analog of the gravitational Aharonov-Bohm in this system is
found. An analysis of this problem employing loop variables is considered and
corroborates for the existence of the Aharonov-Bohm effect in this system. The
results presented here may be used to study the Aharonov-Bohm effect in
superconductors.Comment: 7 pages, to appear in Europhys. Let
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