Chiral gravitational waves from chiral fermions

Anber MM, Sabancilar E (2017)
PHYSICAL REVIEW D 96(2): 023501.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Autor*in
Anber, Mohamed M.; Sabancilar, Eray
Abstract / Bemerkung
We report on a new mechanism that leads to the generation of primordial chiral gravitational waves, and hence, the violation of the parity symmetry in the Universe. We show that nonperturbative production of fermions with a definite helicity is accompanied by the generation of chiral gravitational waves. This is a generic and model-independent phenomenon that can occur during inflation, reheating and radiation eras, and can leave imprints in the cosmic microwave background polarization and may be observed in future ground-and space-based interferometers. We also discuss a specific model where chiral gravitational waves are generated via the production of light chiral fermions during pseudoscalar inflation.
Erscheinungsjahr
2017
Zeitschriftentitel
PHYSICAL REVIEW D
Band
96
Ausgabe
2
Art.-Nr.
023501
ISSN
2470-0010
eISSN
2470-0029
Page URI
https://pub.uni-bielefeld.de/record/2916512

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Anber MM, Sabancilar E. Chiral gravitational waves from chiral fermions. PHYSICAL REVIEW D. 2017;96(2): 023501.
Anber, M. M., & Sabancilar, E. (2017). Chiral gravitational waves from chiral fermions. PHYSICAL REVIEW D, 96(2), 023501. doi:10.1103/PhysRevD.96.023501
Anber, M. M., and Sabancilar, E. (2017). Chiral gravitational waves from chiral fermions. PHYSICAL REVIEW D 96:023501.
Anber, M.M., & Sabancilar, E., 2017. Chiral gravitational waves from chiral fermions. PHYSICAL REVIEW D, 96(2): 023501.
M.M. Anber and E. Sabancilar, “Chiral gravitational waves from chiral fermions”, PHYSICAL REVIEW D, vol. 96, 2017, : 023501.
Anber, M.M., Sabancilar, E.: Chiral gravitational waves from chiral fermions. PHYSICAL REVIEW D. 96, : 023501 (2017).
Anber, Mohamed M., and Sabancilar, Eray. “Chiral gravitational waves from chiral fermions”. PHYSICAL REVIEW D 96.2 (2017): 023501.

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