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A Wick Theorem for Spin-One Operators
Phys. Rev. 167, 430 – Published 10 March, 1968
DOI: https://doi.org/10.1103/PhysRev.167.430
Abstract
A generalization to all spin magnitudes of the drone-fermion representation (previously known for spin ½), is presented, and the resulting eigenstates investigated. Linear combinations of products of fermion operators acting on a vacuum state can always be found which correspond to spin states which are eigenvectors of and . It is then shown that for the case of spin 1 (units of ) it is possible to construct a Wick theorem which is analogous to the usual temperature form for standard fermion creation and destruction operators.
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