Chinese Physics LettersTwo Theorems for General n -Mode Boson Exponential Quadratic OperatorsXu Xiu-Wei, Zhang Yong-dePublished Nov 1, 1997• 4 citationsPublisherAbstractBy the aid of the generalized linear quantum transform theory, we present for the multimode boson exponential quadratic operators two theorems to change the operator expressions among usual, normal and anti-normal orderings.DOI10.1088/0256-307x/14/11/004