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Finite temperature spectral function of Mott insulators and charge density wave states.

Abstract:
We calculate the low-temperature spectral function of one-dimensional incommensurate charge density wave states and half filled Mott insulators. At T=0 there are two dispersing features associated with the spin and charge degrees of freedom, respectively. We show that already at very low temperatures (compared to the gap) one of these features gets severely damped. We comment on implications of this result for photoemission experiments.

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Theoretical Physics
Role:
Author
Journal:
Phys Rev Lett
Volume:
90
Issue:
12
Pages:
126401
Publication date:
2003-03-28
ISSN:
0031-9007
Source identifiers:
10157
Language:
English
Pubs id:
pubs:10157
UUID:
uuid:405038f9-3d96-4db5-a7e1-d8295847f383
Local pid:
pubs:10157
Deposit date:
2012-12-19

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