de Haas-van Alphen oscillations for non-relativistic fermions coupled to an emergent U(1) gauge field

Details de Haas-van Alphen oscillations for non-relativistic fermions coupled to an emergent U(1) gauge field de Haas-van Alphen oscillations for non-relativistic fermions coupled to an emergent U(1) gauge field

2009-10-26

arxiv.org/abs/0910.4917v1

Physical Review B 82, 045123 (2010)

Physics

Condensed Matter

Strongly Correlated Electrons

10 pages, 1 figure

Scientific paper

10.1103/PhysRevB.82.045123

We investigate magento-oscillations in the specific heat of non-relativistic fermions with a Fermi surface minimally coupled to a fluctuating U(1) gauge field. Our study is motivated by the recent observation of quantum oscillations in the underdoped cuprates, and by theoretical models of pocket Fermi surfaces realizing a non-Fermi liquid `algebraic charge liquid'. Our main result is the computation of the order 1/N correction to the Lifshitz-Kosevich expression for the oscillation amplitude in the dirty limit in a model with N species of fermions.

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