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Spinful fermionic ladders at incommensurate filling: Phase diagram, local perturbations, and ionic potentials

Carr, S.T., Narozhny, B.N., Nersesyan, A.A. (2013) Spinful fermionic ladders at incommensurate filling: Phase diagram, local perturbations, and ionic potentials. Annals of Physics, 339 . pp. 22-80. ISSN 0003-4916. (doi:10.1016/j.aop.2013.08.007) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided. (Contact us about this Publication)
Official URL
http://www.dx.doi.org/10.1016/j.aop.2013.08.007

Abstract

We study the effect of external potential on transport properties of the fermionic two-leg ladder model. The response of the system to a local perturbation is strongly dependent on the ground state properties of the system and especially on the dominant correlations. We categorize all phases and transitions in the model (for incommensurate filling) and introduce "hopping-driven transitions" that the system undergoes as the inter-chain hopping is increased from zero. We also describe the response of the system to an ionic potential. The physics of this effect is similar to that of the single impurity, except that the ionic potential can affect the bulk properties of the system and in particular induce true long range order.

Item Type: Article
DOI/Identification number: 10.1016/j.aop.2013.08.007
Uncontrolled keywords: Physics of Quantum Materials, Charge transport, Ladder materials, Luttinger liquid, Spin gap
Subjects: Q Science > QC Physics > QC173.45 Condensed Matter
Divisions: Faculties > Sciences > School of Physical Sciences > Functional Materials Group
Depositing User: Sam Carr
Date Deposited: 22 Jul 2015 08:15 UTC
Last Modified: 01 Aug 2019 10:39 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/49624 (The current URI for this page, for reference purposes)
Carr, S.T.: https://orcid.org/0000-0001-9995-4944
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