Uniqueness of the Vacuum Energy Density and van Hove Phenomenon in the Infinite-Volume Limit for Two-Dimensional Self-Coupled Bose Fields
- 1 May 1972
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 28 (18), 1213-1215
- https://doi.org/10.1103/physrevlett.28.1213
Abstract
For a class of model quantum field theories in two-dimensional space-time describing a neutral scalar boson field interacting in a region of length , the vacuum energy density converges as . In the same limit the vacuum state approaches zero in the weak sense, as proposed by van Hove.
Keywords
This publication has 4 references indexed in Scilit:
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