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PROPAGATION OF PHONONS IN TOPOLOGICAL SUPERCONDUCTORS INDUCED BY STRAIN FIELDS INSTANTONS

D. SCHMELTZER

Physics Department, City College of the City University of New York, New York 10031, USA

https://doi.org/10.1142/S0217979214500593Cited by:3 (Source: Crossref)

Abstract

We show that for a multiple-connected space the low energy strain fields excitations are given by instantons, which are controlled by the phase of the superconductor. Dirac fermions with a chiral mass and a superconducting pairing field propagates effectively in a multiple-connected space. When the elastic strain field response is probed one finds that it is given by the Pointriagin characteristic. As a result the space–time metric is modified. Applying an external stress field we observe that the phonon path bends in the transverse direction to the initial direction.

Keywords:

PACS: 74.20.Mn, 74.50.+r, 14.80.Va, 04.50.-h

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