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Holographic Fermi surfaces at finite temperature in top-down constructions

Author(s): Cosnier-Horeau, Charles; Gubser, Steven S

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Abstract: We calculate the two-point Green’s functions of operators dual to fermions of maximal gauged supergravity in four and five dimensions, in finite-temperature backgrounds with finite charge density. The numerical method used in these calculations is based on differential equations for bilinears of the supergravity fermions rather than the equations of motion for the fermions themselves. The backgrounds we study have vanishing entropy density in appropriate extremal limits. Holographic Fermi surfaces are observed when the scalar field participating in the dual field theory operator has an expectation value, which makes sense from the point of view that the quasiparticles near the Fermi surfaces observed carry nonsinglet gauge quantum numbers in the dual field theory.
Publication Date: 15-Mar-2015
Electronic Publication Date: 6-Mar-2015
Citation: Cosnier-Horeau, Charles, Gubser, Steven S. (2015). Holographic Fermi surfaces at finite temperature in top-down constructions. PHYSICAL REVIEW D, 91 (10.1103/PhysRevD.91.066002
DOI: doi:10.1103/PhysRevD.91.066002
ISSN: 1550-7998
EISSN: 1550-2368
Type of Material: Journal Article
Journal/Proceeding Title: PHYSICAL REVIEW D
Version: Final published version. This is an open access article.

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