LARGE-N AND BETHE ANSATZ
نویسندگان
چکیده
منابع مشابه
Large and small Density Approximations to the thermodynamic Bethe Ansatz
We provide analytical solutions to the thermodynamic Bethe ansatz equations in the large and small density approximations. We extend results previously obtained for leading order behaviour of the scaling function of affine Toda field theories related to simply laced Lie algebras to the non-simply laced case. The comparison with semi-classical methods shows perfect agreement for the simply laced...
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Laboratoire Associé au CNRS UA 280 § mail address: L.P.T.H.E., Tour 16 1er étage, Université Paris VI, 4 Place Jussieu, 75252, Paris cedex 05, France
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We propose discrete TBA equations for models with discrete spectrum. We illustrate our construction on the Calogero-Moser model and determine the discrete 2-body TBA function which yields the exact N -body CalogeroMoser thermodynamics. We apply this algorithm to the Lieb-Liniger model in a harmonic well, a model which is relevant for the microscopic description of harmonically trapped Bose-Eins...
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ژورنال
عنوان ژورنال: Modern Physics Letters A
سال: 2004
ISSN: 0217-7323,1793-6632
DOI: 10.1142/s0217732304014859