Multiband Quantum Criticality of Polar Metals

Pavel A. Volkov, Pavel A. Volkov, Premala Chandra, Premala Chandra

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

Motivated by recent experimental realizations of polar metals with broken inversion symmetry, we explore the emergence of strong correlations driven by criticality when the polar transition temperature is tuned to zero. Overcoming previously discussed challenges, we demonstrate a robust mechanism for coupling between the critical mode and electrons in multiband metals. We identify and characterize several novel interacting phases, including non-Fermi liquids, when band crossings are close to the Fermi level and present their experimental signatures for three generic types of band crossings.

Original languageEnglish (US)
Article number237601
JournalPhysical review letters
Volume124
Issue number23
DOIs
StatePublished - Jun 12 2020

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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