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A. Maleknejad and M. M. Sheikh-Jabbari, Non-Abelian Gauge Field Inflation , Phys. Rev. D84
Original
1932
Earlier work this paper cites.
J. Schwinger, On gauge invariance and vacuum polarization , Phys. Rev. 82
1951
Earlier work this paper cites.
A. H. Guth, The Inflationary Universe: A Possible Solution to the Horizon and Flatness Problems , Phys. Rev. D23
1981
Earlier work this paper cites.
K. Sato, First Order Phase Transition of a Vacuum and Expansion of the Universe , Mon. Not. Roy. Astron. Soc. 195
1981
Earlier work this paper cites.
A. D. Linde, A New Inflationary Universe Scenario: A Possible Solution of the Horizon, Flatness, Homogeneity, Isotropy and Primordial Monopole Problems , Phys. Lett. 108B
1982
Earlier work this paper cites.
A. Albrecht and P. J. Steinhardt, Cosmology for Grand Unified Theories with Radiatively Induced Symmetry Breaking , Phys. Rev. Lett. 48
1982
Earlier work this paper cites.
N. D. Birrell and P. C. W. Davies, Quantum Fields in Curved Space , Cambridge Monographs on Mathematical Physics. Cambridge Univ. Press, Cambridge, UK, 1984, 10.1017/CBO9780511622632
1984
Earlier work this paper cites.
Z. Wang and D. Guo., Special Functions Singapore . World Scientific, 1989
1989
Earlier work this paper cites.
L. Parker and D. Toms, Quantum Field Theory in Curved Spacetime: Quantized Fields and Gravity , Cambridge Monographs on Mathematical Physics. Cambridge University Press, 2009
2009
Earlier work this paper cites.
F. W. Olver, D. W. Lozier, R. F. Boisvert and C. W. Clark, NIST Handbook of Mathematical Functions . Cambridge University Press, New York, NY, USA, 1st ed., 2010
2010
Earlier work this paper cites.

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2018

Schwinger Effect by an $SU(2)$ Gauge Field during Inflation

Lozanov, Kaloian D., Maleknejad, Azadeh, Komatsu, Eiichiro

Understand

Non-Abelian gauge fields may exist during inflation.

We study the Schwinger effect by an $SU(2)$ gauge field coupled to a charged scalar doublet in a (quasi) de Sitter background and the possible backreaction of the generated charged particles on the homogeneous dynamics.
Contrary to the Abelian $U(1)$ case, we find that both the Schwinger pair production and the induced current decrease as the interaction strength increases.
The reason for this suppression is the isotropic vacuum expectation value of the $SU(2)$ field which generates a (three times) greater effective mass for the scalar field than the $U(1)$.

Built on

A. Maleknejad and M. M. Sheikh-Jabbari, Non-Abelian Gauge Field Inflation , Phys. Rev. D84
Original
1932
Earlier work this paper cites.
J. Schwinger, On gauge invariance and vacuum polarization , Phys. Rev. 82
1951
Earlier work this paper cites.
A. H. Guth, The Inflationary Universe: A Possible Solution to the Horizon and Flatness Problems , Phys. Rev. D23
1981
Earlier work this paper cites.
K. Sato, First Order Phase Transition of a Vacuum and Expansion of the Universe , Mon. Not. Roy. Astron. Soc. 195
1981
Earlier work this paper cites.
A. D. Linde, A New Inflationary Universe Scenario: A Possible Solution of the Horizon, Flatness, Homogeneity, Isotropy and Primordial Monopole Problems , Phys. Lett. 108B
1982
Earlier work this paper cites.
A. Albrecht and P. J. Steinhardt, Cosmology for Grand Unified Theories with Radiatively Induced Symmetry Breaking , Phys. Rev. Lett. 48
1982
Earlier work this paper cites.
N. D. Birrell and P. C. W. Davies, Quantum Fields in Curved Space , Cambridge Monographs on Mathematical Physics. Cambridge Univ. Press, Cambridge, UK, 1984, 10.1017/CBO9780511622632
1984
Earlier work this paper cites.
Z. Wang and D. Guo., Special Functions Singapore . World Scientific, 1989
1989
Earlier work this paper cites.
L. Parker and D. Toms, Quantum Field Theory in Curved Spacetime: Quantized Fields and Gravity , Cambridge Monographs on Mathematical Physics. Cambridge University Press, 2009
2009
Earlier work this paper cites.
F. W. Olver, D. W. Lozier, R. F. Boisvert and C. W. Clark, NIST Handbook of Mathematical Functions . Cambridge University Press, New York, NY, USA, 1st ed., 2010
2010
Earlier work this paper cites.