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Excitations and Thermodynamics of One-Dimensional Boson System with δ-Function Interaction
並列摘要
We present the excitation spectra of a one-dimensional boson system with b-function interaction, which includes a velocity-dependent pseudopotential. The equilibrium thermodynamics of the system is studied and the behavior of the particle distribution at different temperature is given. The effects from the velocity-dependent interaction are analyzed. We address also on the question whether a one-dimensional fermion system with this pseudopotential is solvable.
並列關鍵字
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