Effective masses in a strongly anisotropic Fermi liquid

Abstract

Motivated by the recent experimental observation of quantum oscillations in the underdoped cuprates, we study the cyclotron and infrared Hall effective masses in an anisotropic Fermi liquid characterized by an angle-dependent quasiparticle residue Z_q, which models an arc-shaped Fermi surface. Our primary motivation is to explain the relatively large value of the cyclotron effective mass observed experimentally and its relation with the effective Hall mass. In the framework of a phenomenological model of an anisotropic Fermi liquid, we find that the cyclotron mass is enhanced by a factor <1/Z_q>, while the effective Hall mass is proportional to <Z_q> / <Z_q^2>, where <...> implies an averaging over the Fermi surface. We conclude that if the Z-factor becomes small in some part of the Fermi surface (e.g., in the case of a Fermi arc), the cyclotron mass is enhanced sharply while the infrared Hall mass may remain small. Possible future experiments are discussed.

5 pages, 2 figures

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Cited by in corpus (9)

• Electrodynamics of Correlated Electron Materials
• Mottness in High-Temperature Copper-Oxide Superconductors
• Paired electron pockets in the hole-doped cuprates
• Quantum oscillations from Fermi arcs
• Longitudinal conductivity and Hall coefficient in two-dimensional metals with spiral magnetic order
• Resolution of two apparent paradoxes concerning quantum oscillations in underdoped high-$T_c$ superconductors
• Terahertz magneto-transport measurements in underdoped PCCO and comparison with ARPES
• Emergence of curved momentum-spacetime and its effect on the cyclotron motion in the antiferromagnetic quantum critical metal
• Electrical Conductivity in Quantum Materials