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Features of renormalization induced by interaction in 1D transport | | Vadim Ponomarenko
; Naoto Nagaosa
; | | Date: |
25 Sep 1997 | | Subject: | Strongly Correlated Electrons | cond-mat.str-el | | Affiliation: | Department of Theoretical Physics, University of Geneva, Switzerland and A.F.Ioffe PTI, St.Petersburg, Russia) and Naoto Nagaosa (Department of Applied Physics, University of Tokyo, Japan | | Abstract: | One-dimensional interacting electrons in a quantum wire connected to reservoirs are studied theoretically. The difference in the Tomonaga-Luttinger interaction constants between the wire (g) and reservoirs $(g_{infty})$ produces the cross-correlation between the right- and left-going chiral components of the charge density wave field. The low energy asymptotics of this field correlator, which is determined by (g) and $(g_{infty})$, specifies renormalization of physical quantities. We have found that charge of the carriers in the shot noise is determined by $g_infty$ (no renormalization for the Fermi liquid reservoirs) at any energy, meanwhile the factor g renormalizing the charge and spin susceptibilities emerges in the threshold structures at some rational fillings. | | Source: | arXiv, cond-mat/9709272 | | Services: | Forum | Review | PDF | Favorites | |
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