Gleeson, A. M. ; Moore, R. J. ; Rechenberg, H. ; Sudarshan, E. C. G. (1971) Analyticity, covariance, and unitarity in indefinite-metric quantum field theories Physical Review D - Particles, Fields, Gravitation and Cosmology, 4 (8). pp. 2242-2254. ISSN 1550-7998
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Official URL: http://prd.aps.org/abstract/PRD/v4/i8/p2242_1
Related URL: http://dx.doi.org/10.1103/PhysRevD.4.2242
Abstract
The general properties of analyticity, covariance, and unitarity are studied in quantum field theories regularized by finite-mass, indefinite-norm states. After reviewing the general status of indefinite-metric theories, a relativistic scalar model is analyzed for covariance and analyticity. This model shows that a commonly accepted prescription for treating the negative-norm states is not covariant, and more sophisticated methods are required. The technique of shadow states developed elsewhere is reviewed and applied to this problem.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The American Physical Society. |
| ID Code: | 51039 |
| Deposited On: | 27 Jul 2011 12:42 |
| Last Modified: | 27 Jul 2011 12:42 |
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