Florian Bauer et al JHEP05(2004)026 doi:10.1088/1126-6708/2004/05/026
Florian Bauer1, Manfred Lindner1 and Gerhart Seidl2
Show affiliationsWe demonstrate that by employing the correspondence between gauge theories in geometric and in deconstructed extra dimensions, it is possible to transfer the methods for calculating finite Casimir energy densities in higher dimensions to the four-dimensional deconstruction setup. By this means, one obtains an unambiguous and well-defined prescription to determine finite vacuum energy contributions of four-dimensional quantum fields which have a higher-dimensional correspondence. Thereby, large kink masses lead to an exponentially suppressed Casimir effect. For a specific model, we hence arrive at a small and positive contribution to the cosmological constant in agreement with observations.
E-print Number: hep-th/0309200
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Issue 05 (May 2004)
Received 4 February 2004, accepted for publication 11 May 2004
Published 3 June 2004
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