Lorentz covariance of theP(φ)2 quantum field theory without higher order estimates |
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| Authors: | Young Moon Park |
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| Affiliation: | (1) Department of Physics, Indiana University Bloomington, Indiana, USA;(2) Present address: Department of Mathematical Science, IBM Watson Research Center, 10598 Yorktown Heights, N.Y., USA |
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| Abstract: | We give a simple proof of Lorentz covariance for theP( )2 model without using the higher order estimates: For each Poincaré transformation {a,  } and each bounded regionB of Minkowski space there exists a unitary operatorU which correctly transforms the Heisenberg picture field operator:U (f)U*=(f(a, )),f  C0 (B). |
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