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- Title
Luttinger Liquid with Attraction and One Impurity: Exact Solution.
- Authors
Afonin, V. V.
- Abstract
The exact solution to the problem of scattering of one-dimensional attracted fermions on a point impurity, which exists in the Kane–Fisher model is analyzed for a Luttinger parameter equal to 2. The expression obtained for the frequency dependence of the coefficient of fermion reflection from an impurity demonstrates impossibility of extrapolation of results for a relatively weak fermion–fermion interaction to the range of coupling constants on the order of unity.
- Subjects
LUTTINGER liquids; COUPLING constants; REFLECTANCE; FERMIONS; EXTRAPOLATION
- Publication
Journal of Experimental & Theoretical Physics, 2023, Vol 136, Issue 2, p207
- ISSN
1063-7761
- Publication type
Article
- DOI
10.1134/S1063776123020012