Guido Cognola et al 2001 J. Phys. A: Math. Gen. 34 7311 doi:10.1088/0305-4470/34/36/311
Guido Cognola1, Emilio Elizalde2,3,4 and Klaus Kirsten5,6
Show affiliationsA general calculation of Casimir energies - in an arbitrary number of dimensions - for massless quantized fields in spherically symmetric cavities is carried out. All the most common situations, including scalar and spinor fields, the electromagnetic field and various boundary conditions are treated with the uppermost accuracy. The final results are given as analytical, closed expressions in terms of Barnes zeta functions. A direct numerical evaluation of the formulae is then performed, which yields highly accurate numbers of, in principle, arbitrarily good precision.
12.20.-m Quantum electrodynamics
02.10.De Algebraic structures and number theory
Issue 36 (14 September 2001)
Received 12 June 2001
Published 31 August 2001
Guido Cognola et al 2001 J. Phys. A: Math. Gen. 34 7311
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