Abstract

A technique is described for the calculation of the chiral angle dependent piece of the Casimir energy in the chiral bag model which involves only the spatial dependence of the chiral angle in the mesonic sector. The results of this technically simple calculation are seen to agree with results obtained from explicit quark mode sums at the 4% level for small bags. This calculation offers a physical justification of the more ad hoc subtraction procedures previously adopted to obtain finite Casimir energies from ultraviolet divergent mode sums.

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