Change of variables in quantum field theories
196111 pages
Published in:
- Nucl.Phys. 26 (1961) 3, 469-479
- Published: 1961
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Abstract:
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.References(5)
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