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Seiler, Anna M. ; Zhumagulov, Yaroslav ; Zollner, Klaus ; Yoon, Chiho ; Urbaniak, David ; Geisenhof, Fabian R. ; Watanabe, Kenji ; Taniguchi, Takashi ; Fabian, Jaroslav ; Zhang, Fan ; Weitz, R. Thomas

Layer-selective spin-orbit coupling and strong correlation in bilayer graphene

Seiler, Anna M., Zhumagulov, Yaroslav, Zollner, Klaus , Yoon, Chiho, Urbaniak, David, Geisenhof, Fabian R., Watanabe, Kenji, Taniguchi, Takashi, Fabian, Jaroslav , Zhang, Fan and Weitz, R. Thomas (2024) Layer-selective spin-orbit coupling and strong correlation in bilayer graphene. arXiv, 2403.17140.

Date of publication of this fulltext: 14 May 2024 10:45
Article
DOI to cite this document: 10.5283/epub.58233


Abstract

Spin-orbit coupling (SOC) and electron-electron interaction can mutually influence each other and give rise to a plethora of intriguing phenomena in condensed matter systems. In pristine bilayer graphene, which has weak SOC, intrinsic Lifshitz transitions and concomitant van-Hove singularities lead to the emergence of many-body correlated phases. Layer-selective SOC can be proximity induced by ...

Spin-orbit coupling (SOC) and electron-electron interaction can mutually influence each other and give rise to a plethora of intriguing phenomena in condensed matter systems. In pristine bilayer graphene, which has weak SOC, intrinsic Lifshitz transitions and concomitant van-Hove singularities lead to the emergence of many-body correlated phases. Layer-selective SOC can be proximity induced by adding a layer of tungsten diselenide (WSe2) on its one side. By applying an electric displacement field, the system can be tuned across a spectrum wherein electronic correlation, SOC, or a combination of both dominates. Our investigations reveal an intricate phase diagram of proximity-induced SOC-selective bilayer graphene. Not only does this phase diagram include those correlated phases reminiscent of SOC-free doped bilayer graphene, but it also hosts unique SOC-induced states allowing a compelling measurement of valley g-factor and a seemingly impossible correlated insulator at charge neutrality, thereby showcasing the remarkable tunability of the interplay between interaction and SOC in WSe2 enriched bilayer graphene.



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  • [img] Seiler, Anna M., Zhumagulov, Yaroslav, Zollner, Klaus , Yoon, Chiho, Urbaniak, David, Geisenhof, Fabian R., Watanabe, Kenji, Taniguchi, Takashi, Fabian, Jaroslav , Zhang, Fan and Weitz, R. Thomas (2024) Layer-selective spin-orbit coupling and strong correlation in bilayer graphene. arXiv, 2403.17140. [Currently displayed]

Details

Item typeArticle
Journal or Publication TitlearXiv
Open Access Type:Individuel Contract
Page Range:2403.17140
Date25 March 2024
InstitutionsPhysics > Institute of Theroretical Physics > Chair Professor Richter > Group Jaroslav Fabian
Identification Number
ValueType
2403.17140arXiv ID
Dewey Decimal Classification500 Science > 530 Physics
StatusPublished
RefereedNo, this version has not been refereed yet (as with preprints)
Created at the University of RegensburgPartially
URN of the UB Regensburgurn:nbn:de:bvb:355-epub-582331
Item ID58233

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