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cond-mat.stat-mech2026
Asymptotic analysis of the dynamical field-field correlation function of the impenetrable Bose gas
Frank Göhmann, Karol K. Kozlowski, Mikhail D. Minin +1
We study the long-time, large-distance asymptotic behaviour of the two-point correlation function of fields of the impenetrable Bose gas in equilibrium states characterized by a qu…
cond-mat.stat-mech2023★ 4 cited
Thermal form-factor expansion of the dynamical two-point functions of local operators in integrable quantum chains
Frank Göhmann, Karol K. Kozlowski, Mikhail D. Minin
Evaluating a lattice path integral in terms of spectral data and matrix elements pertaining to a suitably defined quantum transfer matrix, we derive form-factor series expansions f…