Khare, A. V. ; Pradhan, T. (1973) Equal-time commutator of charge densities in quantum electrodynamics Physical Review D, 8 (6). pp. 1863-1867. ISSN 0556-2821
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Official URL: http://prd.aps.org/abstract/PRD/v8/i6/p1863_1
Related URL: http://dx.doi.org/10.1103/PhysRevD.8.1863
Abstract
We show that one-electron and one-photon expectation values of the equal-time commutator of charge densities in quantum electrodynamics, which are usually assumed to be zero, contain δ-function derivatives of order n≥4 when evaluated in fourth-order perturbation theory.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Physical Society. |
| ID Code: | 17576 |
| Deposited On: | 16 Nov 2010 09:33 |
| Last Modified: | 04 Jun 2011 07:15 |
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