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Dynamical correlation functions of the XXZ model at finite temperature (0)

by K Sakai
Venue:J. Phys. A: Math. Theor
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Long-time and large-distance asymptotic behavior of the . . .

by K. K. Kozlowski, V. Terras , 2011
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Algebraic Bethe ansatz approach to form factors . . .

by D. Levy-bencheton, V. Terras , 2014
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Quantum Group Uq(sl(2)) Symmetry and Explicit Evaluation of the One-Point Functions of the Integrable Spin-1 XXZ Chain

by Jun Sato, et al. , 2011
"... We show some symmetry relations among the correlation functions of the integrable higher-spin XXX and XXZ spin chains, where we explicitly evaluate the multiple integrals representing the one-point functions in the spin-1 case. We review the multipleintegral representations of correlation function ..."
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We show some symmetry relations among the correlation functions of the integrable higher-spin XXX and XXZ spin chains, where we explicitly evaluate the multiple integrals representing the one-point functions in the spin-1 case. We review the multipleintegral representations of correlation functions for the integrable higher-spin XXZ chains derived in a region of the massless regime including the anti-ferromagnetic point. Here we make use of the gauge transformations between the symmetric and asymmetric R-matrices, which correspond to the principal and homogeneous gradings, respectively, and we send the inhomogeneous parameters to the set of complete 2s-strings. We also give a numerical support for the analytical expression of the one-point functions in the spin-1 case.

unknown title

by Masahiro Shiroishi , 2008
"... Density matrix elements and entanglement entropy for the spin-1/2 XXZ chain at ∆=1/2 ..."
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Density matrix elements and entanglement entropy for the spin-1/2 XXZ chain at ∆=1/2
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...o the XXZ model with an external magnetic field [10]. More recently the multiple integral formulas were extended to dynamical correlation functions as well as finite temperature correlation functions =-=[11, 12, 13, 14]-=-. In this way it has been established now the correlation functions for XXZ model are represented by multiple integrals in general. However, these multiple integrals are difficult to evaluate both num...

relation to the

by Er Seel, Tanaya Bhattacharyya, Frank Göhmann, Andreas Klümper, Fachbereich C Physik , 705
"... A note on the spin-1 2 XXZ chain concerning its ..."
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A note on the spin-1 2 XXZ chain concerning its
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... leading eigenvalue is nothing but the partition function of the XXZ chain and the eigenvector encodes all thermal correlations. In the latest development, with respect to the Heisenberg chain, Sakai =-=[20]-=- succeeded in deriving a multiple integral representation for the generating function of dynamical correlations for finite temperatures. An alternative method to the QTM approach, and actually a more ...

unknown title

by Er Seel, Tanaya Bhattacharyya, Frank Göhmann, Andreas Klümper, Fachbereich C Physik , 705
"... A note on the spin-1 2 XXZ chain concerning its relation to the Bose gas ..."
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A note on the spin-1 2 XXZ chain concerning its relation to the Bose gas
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... leading eigenvalue is nothing but the partition function of the XXZ chain and the eigenvector encodes all thermal correlations. In the latest development, with respect to the Heisenberg chain, Sakai =-=[20]-=- succeeded in deriving a multiple integral representation for the generating function of dynamical correlations for finite temperatures. An alternative method to the QTM approach, and actually a more ...

quantum quenches in the

by Balázs Pozsgay , 2014
"... free energy and the Loschmidt-echo for a class of ..."
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free energy and the Loschmidt-echo for a class of
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... correlation functions, possibly through a limit O(t) = lim β→0 〈Ψ0|e(it−β)HOe(−it−β)H |Ψ0〉. (7.4) Results for dynamical correlation functions at equilibrium are already available with the QTM method =-=[37]-=-, but it is not evident if such methods could work for the Boundary QTM relevant to the quench problem. While it is straightforward to translate the r.h.s. of (7.4) to a 6-vertex model partition funct...

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