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Form-factors and dynamical structure factors in the massless XXZ model

Weston, R (Heriot-Watt)
Thursday 02 April 2009, 14:15-15:00



Form factors are useful in the computation of dynamical correlation functions of lattice models. A key application is to quasi-one-dimensional crystals whose dynamical structure factors are directly measurable by neutron scattering experiments. I shall describe the calculation of exact form-factors for the massless phase of the XXZ quantum spin chain.


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