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Non-Fermi glasses: Localized descendants of fractionalized metals

Abstract:

Non-Fermi liquids are metals that cannot be adiabatically deformed into free fermion states. We argue for the existence of "non-Fermi glasses" phases of interacting disordered fermions that are fully many-body localized (MBL), yet cannot be deformed into an Anderson insulator without an eigenstate phase transition. We explore the properties of such non-Fermi glasses, focusing on a specific solvable example. At high temperature, non-Fermi glasses have qualitatively similar spectral features to...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted manuscript

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Publisher copy:
10.1103/PhysRevLett.119.146601

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Department:
Oxford, MPLS, Physics, Theoretical Physics
Role:
Author
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Funding agency for:
Parameswaran, S
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Funding agency for:
Gopalakrishnan, S
Publisher:
American Physical Society Publisher's website
Journal:
Physical Review Letters Journal website
Volume:
119
Issue:
14
Pages:
1-5
Publication date:
2017-10-04
Acceptance date:
2017-09-01
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
Pubs id:
pubs:726050
URN:
uri:aa47edbf-4f83-4f4a-94b0-deb70a334b02
UUID:
uuid:aa47edbf-4f83-4f4a-94b0-deb70a334b02
Local pid:
pubs:726050
Keywords:

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