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DOE OSTI · 21476584

A Schwinger disentangling theorem

Cross, Daniel J·Gilmore, Robert
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Abstract

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.

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72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDSALGEBRAANNIHILATION OPERATORSBOSONSCREATION OPERATORSFIELD THEORIESMATHEMATICAL OPERATORSMATHEMATICSQUANTUM FIELD THEORYQUANTUM OPERATORS

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Cross, Daniel J, Gilmore, Robert. 2010-10-15. A Schwinger disentangling theorem. https://doi.org/10.1063/1.3501027

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