Quantum oscillations from a pair-density wave

A pair-density-wave state has been suggested to exist in underdoped cuprate superconductors, with some supporting experimental evidence emerging over the past few years from scanning tunneling spectroscopy. Several studies have also linked the observed quantum oscillations in these systems to a reco...

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Main Authors: Yosef Caplan, Dror Orgad
Format: Article
Language:English
Published: American Physical Society 2021-06-01
Series:Physical Review Research
Online Access:http://doi.org/10.1103/PhysRevResearch.3.023199
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author Yosef Caplan
Dror Orgad
author_facet Yosef Caplan
Dror Orgad
author_sort Yosef Caplan
collection DOAJ
description A pair-density-wave state has been suggested to exist in underdoped cuprate superconductors, with some supporting experimental evidence emerging over the past few years from scanning tunneling spectroscopy. Several studies have also linked the observed quantum oscillations in these systems to a reconstruction of the Fermi surface by a pair-density wave. Here, we show, using semiclassical analysis and numerical calculations, that a Fermi pocket created by first-order scattering from a pair-density wave cannot induce such oscillations. In contrast, pockets resulting from second-order scattering can cause oscillations. We consider the effects of a finite pair-density-wave correlation length on the signal, and demonstrate that it is only weakly sensitive to disorder in the form of π-phase slips. Finally, we discuss our results in the context of the cuprates and show that a bidirectional pair-density wave may produce observed oscillation frequencies.
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spelling doaj.art-e01280dae20b4ba19a05327f3fff42602024-04-12T17:10:43ZengAmerican Physical SocietyPhysical Review Research2643-15642021-06-013202319910.1103/PhysRevResearch.3.023199Quantum oscillations from a pair-density waveYosef CaplanDror OrgadA pair-density-wave state has been suggested to exist in underdoped cuprate superconductors, with some supporting experimental evidence emerging over the past few years from scanning tunneling spectroscopy. Several studies have also linked the observed quantum oscillations in these systems to a reconstruction of the Fermi surface by a pair-density wave. Here, we show, using semiclassical analysis and numerical calculations, that a Fermi pocket created by first-order scattering from a pair-density wave cannot induce such oscillations. In contrast, pockets resulting from second-order scattering can cause oscillations. We consider the effects of a finite pair-density-wave correlation length on the signal, and demonstrate that it is only weakly sensitive to disorder in the form of π-phase slips. Finally, we discuss our results in the context of the cuprates and show that a bidirectional pair-density wave may produce observed oscillation frequencies.http://doi.org/10.1103/PhysRevResearch.3.023199
spellingShingle Yosef Caplan
Dror Orgad
Quantum oscillations from a pair-density wave
Physical Review Research
title Quantum oscillations from a pair-density wave
title_full Quantum oscillations from a pair-density wave
title_fullStr Quantum oscillations from a pair-density wave
title_full_unstemmed Quantum oscillations from a pair-density wave
title_short Quantum oscillations from a pair-density wave
title_sort quantum oscillations from a pair density wave
url http://doi.org/10.1103/PhysRevResearch.3.023199
work_keys_str_mv AT yosefcaplan quantumoscillationsfromapairdensitywave
AT drororgad quantumoscillationsfromapairdensitywave