One-loop effective action in DSR1 quantum field theory

Cougo-Pinto, M. V.; Farina, C.; Mendes, J. F. M.; Rosa, F. S. S.

doi:10.1088/0305-4470/39/21/s16

J. Phys. A: Math. Gen.

2006

DOI: 10.1088/0305-4470/39/21/s16

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One-loop effective action in DSR1 quantum field theory

M. V. Cougo-Pinto¹,

C. Farina²,

J. F. M. Mendes³

et al.

Abstract: We present the one-loop effective action of a quantum scalar field with DSR1 space-time symmetry as a sum over field modes. The effective action has real and imaginary parts and manifest charge conjugation asymmetry, which provides an alternative theoretical setting to the study of the particle-antiparticle asymmetry in nature. *

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2010

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Primitively divergent diagrams in a scalar field with quartic self-interaction and a kappa-deformed dispersion relation

Neves¹,

Carvalho²,

Farina³

et al. 2010

J. Phys. A: Math. Theor.

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We obtain the primitively divergent diagrams in κ-deformed scalar field in four-dimensional spacetime with quartic self-interaction in order to investigate the effect of the fundamental length q = 1/(2κ) on such diagrams. Thanks to κ-deformation, we find that the dimensionally regularized forms of the diagrams lead to finite results in the limit of space-time dimension four. The effect of the deformation appears as a displacement of the poles in the complex plane. *

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Primitively divergent diagrams in a scalar field with quartic self-interaction and a kappa-deformed dispersion relation

Neves¹,

Carvalho²,

Farina³

et al. 2010

J. Phys. A: Math. Theor.

Self Cite

View full text Add to dashboard Cite

show abstract

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One-loop effective action in DSR1 quantum field theory

Cited by 1 publication

References 14 publications

Primitively divergent diagrams in a scalar field with quartic self-interaction and a kappa-deformed dispersion relation

Primitively divergent diagrams in a scalar field with quartic self-interaction and a kappa-deformed dispersion relation

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