A model non-local field theory with some causal properties of a dual theory |
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Authors: | R.J. Rivers |
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Affiliation: | Imperial College, Physics Dept., London S.W.7., UK |
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Abstract: | We present a simple field theory which reproduces the singularity structure associated with acausality of the planar dual loop. The field theory differs fundamentally from a conventional non-local theory in that (in the tree approximation) the elementary length is independent of the order of interaction, and, on renormalisation, can become zero. |
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