paper

Fermions on Lifshitz Background

arXiv:1201.1764 · doi:10.1103/PhysRevD.86.026002

Abstract

We study a non-relativistic fermionic retarded Green's function by making use of a fermion on the Lifshitz geometry with critical exponent z = 2. With a natural boundary condition, respecting the symmetries of the model, the resultant retarded Green's function exhibits a number of interesting features including a flat band. We also study the finite temperature and finite chemical potential cases where the geometry is replaced by Lifshitz black hole solutions.

27 pages, 11 figures, V3: Refs. added, Charged fermions added. V4: Gauge field (in Sec. 4) corrected (with no change in results)

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