Spectral functions in a two-velocities Tomonaga-Luttinger Liquid

Abstract : We obtain the spectral functions of a two-velocities Tomonaga-Luttinger liquid at T = 0K in terms of the Appell hypergeometric functions F1 and F2. In the case of SU(N) spin symmetry, the spectral functions can be expressed with the Gauss hypergeometric functions. We discuss the singularities and thresholds of the spectral functions for both the SU(N) invariant case and the general case.
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S E Sebastian, M L Sutherland, E Pugh, F M Grosche, J Keeling, C Panagopoulos, S Rowley and S S Saxena. International Conference on Strongly Correlated Electron Systems (SCES 2011), Aug 2011, Cambridge, United Kingdom. Institute of Physics, 391, pp.012163, 2012, Journal of Physics: Conference Series. 〈10.1088/1742-6596/391/1/012163〉
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https://hal-ens-lyon.archives-ouvertes.fr/ensl-00772353
Contributeur : Edmond Orignac <>
Soumis le : jeudi 10 janvier 2013 - 13:40:56
Dernière modification le : jeudi 8 février 2018 - 11:07:38

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Edmond Orignac, Masahisa Tsuchiizu, Yoshikazu Suzumura. Spectral functions in a two-velocities Tomonaga-Luttinger Liquid. S E Sebastian, M L Sutherland, E Pugh, F M Grosche, J Keeling, C Panagopoulos, S Rowley and S S Saxena. International Conference on Strongly Correlated Electron Systems (SCES 2011), Aug 2011, Cambridge, United Kingdom. Institute of Physics, 391, pp.012163, 2012, Journal of Physics: Conference Series. 〈10.1088/1742-6596/391/1/012163〉. 〈ensl-00772353〉

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