A Schwinger disentangling theorem

作者:Cross Daniel J*; Gilmore Robert
来源:Journal of Mathematical Physics, 2010, 51(10): 103515.
DOI:10.1063/1.3501027

摘要

Baker-Campbell-Hausdorff formulas are exceedingly useful for disentangling operators so that they may be more easily evaluated on particular states. We present such a disentangling theorem for general bilinear and linear combinations of multiple boson creation and annihilation operators. This work generalizes a classical result of Schwinger.

  • 出版日期2010-10

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