TY - JOUR

T1 - Curvature oscillations in modified gravitational baryogenesis and ultra high energy cosmic rays

AU - Arbuzova, Elena

N1 - This work was supported by RSF Grant 22-12-00103.

PY - 2024/5/17

Y1 - 2024/5/17

N2 - The instability problem of the gravitational baryogenesis (GBG) is analysed. It is shown that the explosive growth of the curvature scalar, inherent to GBG, can be terminated by introducing the R2-term into the classical action of General Relativity. As a result, the exponential rising curvature is transformed into a quickly oscillating one. The high-frequency curvature oscillations lead to the production of energetic particles which, according to the estimates presented, could make a noticeable contribution to ultra high energy cosmic rays (UHECR).

AB - The instability problem of the gravitational baryogenesis (GBG) is analysed. It is shown that the explosive growth of the curvature scalar, inherent to GBG, can be terminated by introducing the R2-term into the classical action of General Relativity. As a result, the exponential rising curvature is transformed into a quickly oscillating one. The high-frequency curvature oscillations lead to the production of energetic particles which, according to the estimates presented, could make a noticeable contribution to ultra high energy cosmic rays (UHECR).

UR - https://www.scopus.com/record/display.uri?eid=2-s2.0-85194148033&origin=inward&txGid=9236c6196aa4d2e0615fc1a7ca9dcdf2

UR - https://www.mendeley.com/catalogue/8d6f29c3-08e2-3889-96a4-ce2488891537/

U2 - 10.22323/1.455.0016

DO - 10.22323/1.455.0016

M3 - Conference article

VL - 455

JO - Proceedings of Science

JF - Proceedings of Science

SN - 1824-8039

M1 - 016

T2 - 2023 International Conference on Particle Physics and Cosmology

Y2 - 2 October 2023 through 7 October 2023

ER -