Perturbation of the P(φ)2 quantum field Hamiltonian
- 1 July 1973
- journal article
- research article
- Published by AIP Publishing in Journal of Mathematical Physics
- Vol. 14 (7), 823-828
- https://doi.org/10.1063/1.1666402
Abstract
We consider local energy operators δH 0 as perturbations of the P(φ)2 Hamiltonian. Our principal result is the estimate δH 0≤ C[H(g) − E(g)+1] where C is a constant independent of the space cutoff g and E(g) is the infimum of the spectrum of H(g).Keywords
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