Chinese Physics LettersGround State Energy of 1D Attractive δ-Function Interacting Fermi GasYahui Wang, Zhong-Qi MaPublished Aug 1, 2012• 2 citationsPublisherAbstractThe ground state energy of one-dimensional two-component Fermi gas with the attractive δ-function interaction is fitted with a simple approximate function.DOI10.1088/0256-307x/29/8/080501