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New physics in the charged relativistic Bose gas using zeta-function regularization?

Antonio Filippi
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Abstract

The multiplicative anomaly, recently introduced in QFT, plays a fundamental role in solving some mathematical inconsistencies of the widely used zeta-function regularization method. Its physical relevance is still an open question and is here analyzed in the light of a non-perturbative method. Even in this approach the ``different physics'' seems to hold and not to be easily removable by renormalization.

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Antonio Filippi. 2001-02-07. New physics in the charged relativistic Bose gas using zeta-function regularization?. https://doi.org/10.1142/9789812799913_0045

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