High-momentum tail in the Tonks-Girardeau gas under general confining potentials
arXiv:0907.3659 · doi:10.1016/j.physleta.2009.08.037
Abstract
We prove that the ground state momentum distribution of a one-dimensional system of impenetrable bosons exhibits a tail for any confining potential. We also derive an expression for easily computing the asymptotic occupation numbers and verify our results with an exact numerical approach.
Minor modifications