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Gravitational baryogenesis

Abstract

We show that a gravitational interaction between the derivative of the Ricci scalar curvature and the baryon-number current dynamically breaks CPT in an expanding Universe and, combined with baryon-number-violating interactions, can drive the Universe towards an equilibrium baryon asymmetry that is observationally acceptable.
Authors:
Davoudiasl, Hooman; Kitano, Ryuichiro; Kribs, Graham D; Murayama, Hitoshi; Steinhardt, Paul J [1] 
  1. School of Natural Sciences, Institute for Advanced Study, Princeton, New Jersey 08540 (United States)
Publication Date:
Nov 12, 2004
Product Type:
Journal Article
Resource Relation:
Journal Name: Physical Review Letters; Journal Volume: 93; Journal Issue: 20; Other Information: DOI: 10.1103/PhysRevLett.93.201301; (c) 2004 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); PBD: 12 Nov 2004
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; ASYMMETRY; BARYON NUMBER; BARYONS; CONSERVATION LAWS; COSMOLOGY; CPT THEOREM; EQUILIBRIUM; GRAVITATION; GRAVITATIONAL INTERACTIONS; PARTICLE PRODUCTION; RICCI TENSOR; UNIVERSE
OSTI ID:
20619323
Country of Origin:
United States
Language:
English
Other Identifying Numbers:
Journal ID: ISSN 0031-9007; PRLTAO; TRN: US05A5615062828
Submitting Site:
INIS
Size:
page(s) 201301-201301.4
Announcement Date:
Aug 21, 2005

Citation Formats

Davoudiasl, Hooman, Kitano, Ryuichiro, Kribs, Graham D, Murayama, Hitoshi, and Steinhardt, Paul J. Gravitational baryogenesis. United States: N. p., 2004. Web. doi:10.1103/PhysRevLett.93.201301.
Davoudiasl, Hooman, Kitano, Ryuichiro, Kribs, Graham D, Murayama, Hitoshi, & Steinhardt, Paul J. Gravitational baryogenesis. United States. https://doi.org/10.1103/PhysRevLett.93.201301
Davoudiasl, Hooman, Kitano, Ryuichiro, Kribs, Graham D, Murayama, Hitoshi, and Steinhardt, Paul J. 2004. "Gravitational baryogenesis." United States. https://doi.org/10.1103/PhysRevLett.93.201301.
@misc{etde_20619323,
title = {Gravitational baryogenesis}
author = {Davoudiasl, Hooman, Kitano, Ryuichiro, Kribs, Graham D, Murayama, Hitoshi, and Steinhardt, Paul J}
abstractNote = {We show that a gravitational interaction between the derivative of the Ricci scalar curvature and the baryon-number current dynamically breaks CPT in an expanding Universe and, combined with baryon-number-violating interactions, can drive the Universe towards an equilibrium baryon asymmetry that is observationally acceptable.}
doi = {10.1103/PhysRevLett.93.201301}
journal = []
issue = {20}
volume = {93}
journal type = {AC}
place = {United States}
year = {2004}
month = {Nov}
}