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Durham University

Department of Mathematical Sciences

Academic Staff

Publication details for Professor Emeritus Paul Mansfield

Jaramillo, A. & Mansfield, P. (2000). Finite Vevs from a large distance vacuum wave functional. International journal of modern physics A 16(04): 581-600.

Author(s) from Durham


We show how to compute vacuum expectation values from derivative expansions of the vacuum wave functional. Such expansions appear to be valid only for slowly varying fields, but by exploiting analyticity in a complex scale parameter we can reconstruct the contribution from rapidly varying fields.