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Topological 'Luttinger' invariants for filling-enforced non-symmorphic semimetals

Abstract:

Luttinger’s theorem is a fundamental result in the theory of interacting Fermi systems: it states that the volume inside the Fermi surface is left invariant by interactions, if the number of particles is held fixed. Although this is traditionally justified in terms of analytic properties of Green’s functions, it can be viewed as arising from a momentum balance argument that examines the response of the ground state to the insertion of a single flux quantum [M. Oshikawa, Phys. Rev. Lett. 84, 3...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1088/1361-648X/aaf214

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Theoretical Physics
Oxford college:
Hertford College
Role:
Author
UC Irvine start-up funds More from this funder
Publisher:
IOP Publishing Publisher's website
Journal:
Journal of Physics: Condensed Matter Journal website
Volume:
31
Issue:
10
Pages:
104001
Publication date:
2019-01-18
Acceptance date:
2018-11-16
DOI:
EISSN:
1361-648X
ISSN:
0953-8984
Source identifiers:
944207
Keywords:
Pubs id:
pubs:944207
UUID:
uuid:36f361bf-608b-47e4-8fd5-6b4eb3518698
Local pid:
pubs:944207
Deposit date:
2018-11-20

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