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Document type:
Zeitschriftenaufsatz
Author(s):
Hotta, Chisa; Pollmann, Frank
Title:
Dimensional Tuning of Electronic States under Strong and Frustrated Interactions
Abstract:
We study a model of strongly interacting spinless fermions on an anisotropic triangular lattice. At half-filling and the limit of strong repulsive nearest-neighbor interactions, the fermions align in stripes and form an insulating state. When a particle is doped, it either follows a one-dimensional free motion along the stripes or fractionalizes perpendicular to the stripes. The two propagations yield a dimensional tuning of the electronic state. We study the stability of this phase and derive a...     »
Journal title:
Physical Review Letters 2008-05
Year:
2008
Journal volume:
100
Journal issue:
18
Fulltext / DOI:
doi:10.1103/physrevlett.100.186404
Publisher:
American Physical Society (APS)
E-ISSN:
0031-90071079-7114
Date of publication:
08.05.2008
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