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Weakly coupled one-dimensional Mott insulators

Abstract:

We consider a model of one-dimensional Mott insulators coupled by a weak interchain tunneling t⊥. We first determine the single-particle Green's function of a single chain by exact field-theoretical methods and then take the tunneling into account by means of a random-phase approximation. In order to embed this approximation into a well-defined expansion with a small parameter, the Fourier transform T⊥(k) of the interchain coupling is assumed to have a small support in momentum space such tha...

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Publication status:
Published

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Publisher copy:
10.1103/PhysRevB.65.115117

Authors


Essler, FHL More by this author
Tsvelik, AM More by this author
Journal:
PHYSICAL REVIEW B
Volume:
65
Issue:
11
Pages:
1151171-11511713
Publication date:
2002-03-15
DOI:
EISSN:
1095-3795
ISSN:
1098-0121
URN:
uuid:c280ca4b-8118-4b7b-9252-3bc89a51d3b9
Source identifiers:
19230
Local pid:
pubs:19230
Language:
English

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