A relation between the Barbero-Immirzi parameter and the standard model

Details A relation between the Barbero-Immirzi parameter and the standard model A relation between the Barbero-Immirzi parameter and the standard model

2010-02-16

arxiv.org/abs/1002.3041v3

Physics Letters B 690 (2010), pp. 87-89

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

6 pages, accepted version

Scientific paper

10.1016/j.physletb.2010.05.004

It has been shown that Sakharov's induced, from the fields entering the standard model, Barbero-Immirzi parameter assumes, in the framework of euclidean formalism, the UV cutoff-independent value, 1/9. The calculus uses the Schwinger's proper-time formalism, the Seeley-DeWitt heat-kernel expansion, and it is akin to the derivation of the ABJ chiral anomaly in space-time with torsion.

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