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Finite-temperature dynamics of the Mott insulating Hubbard chain

Abstract:

We study the dynamical response of the half-filled one-dimensional Hubbard model for a range of interaction strengths U and temperatures T by a combination of numerical and analytical techniques. Using time-dependent density matrix renormalization group computations we find that the single-particle spectral function undergoes a crossover to a spin-incoherent Luttinger liquid regime at temperatures T∼J=4t2/U for sufficiently large U > 4t. At smaller values of U and elevated temperatures th...

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Publication status:
Published
Peer review status:
Peer reviewed

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Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics; Theoretical Physics
Role:
Author
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Name:
Engineering and Physical Sciences Research Council
Grant:
EP/N01930X/1
Publisher:
American Physical Society
Journal:
Physical Review B More from this journal
Volume:
97
Issue:
4
Pages:
045146
Publication date:
2018-01-29
Acceptance date:
2018-01-12
DOI:
EISSN:
2469-9969
ISSN:
2469-9950
Keywords:
Pubs id:
pubs:822907
UUID:
uuid:c8023459-a86c-409e-8036-35a6007c373f
Local pid:
pubs:822907
Source identifiers:
822907
Deposit date:
2018-04-19

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