CHANGE OF VARIABLES IN QUANTUM FIELD THEORIES
It is shown that any local or almost local change of variables in quantum field theories, which leaves the free field part of the Lagrangian unchanged, does not alter the S-matrix. The relation of this result to Haag's theorem is discussed. (auth)
- Research Organization:
- University Coll., Cardiff, Wales
- NSA Number:
- NSA-15-030182
- OSTI ID:
- 4835127
- Journal Information:
- Nuclear Phys., Journal Name: Nuclear Phys. Vol. Vol: 26
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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