Results 131 to 140 of about 3,264 (214)

Gravitational baryogenesis in f(T, Lm) gravity

Nuclear Physics B
The observed matter–antimatter asymmetry of the Universe remains a fundamental challenge in modern physics. In this work, we explore gravitational baryogenesis within the framework of f(T, Lm) gravity, where the gravitational Lagrangian depends on both ...
Daniel F P Cruz, David S. Pereira, Francisco S N Lobo   +2 more
doaj   +1 more source

Baryogenesis from cosmological CP breaking

Journal of High Energy Physics
We show that baryogenesis can arise from the cosmological evolution of a scalar field that governs CP-violating parameters, such as the Yukawa couplings and the theta terms of the Standard Model.
Mateusz Duch, Alessandro Strumia, Arsenii Titov   +2 more
doaj   +1 more source

Effects of DESI and GW observations on f(T) gravitational baryogenesis

Physics Letters B
Baryogenesis refers to the physical process responsible for generating the observed baryon asymmetry in the early universe. The presence of a nonzero baryon number density suggests a surplus of matter over antimatter.
Sai Swagat Mishra, N.S. Kavya, P.K Sahoo
doaj   +1 more source

Baryogenesis via leptogenesis

, 2019
This thesis explores the question of the matter-antimatter asymmetry in our current observable universe, which is the baryogenesis problem. We review the standard model and show that, despite the model being able to host conditions necessary for ...
Lee, Gao-Yu
core  

Compatibility of gravitational baryogenesis in f(Q, C) gravity

European Physical Journal C: Particles and Fields
This paper investigates the disparity between matter and antimatter in the universe with the help of gravitational baryogenesis. This phenomenon commenced shortly after the big bang, resulting in a predominance of matter over antimatter.
Muhammad Usman, Abdul Jawad, Abdul Malik Sultan   +2 more
doaj   +1 more source

Resonant relaxation in electroweak baryogenesis [PDF]

, 2005
We compute the leading, chiral charge-changing relaxation term in the quantum transport equations that govern electroweak baryogenesis using the closed time path formulation of nonequilibrium quantum field theory.
Cirigliano, Vincenzo, Lee, Christopher, Ramsey-Musolf, Michael J.   +2 more
core  

Chiral conformity emerges from the least-time free energy consumption. [PDF]

Interface Focus, 2023
Annila A.
europepmc   +1 more source

Electroweak baryogenesis and antimatter

, 1996
I describe the current status of electroweak baryogenesis, and comment on the possible existence of domains of antimatter in the ...
Cohen, Andrew Glen
core  

Spectator processes and baryogenesis

, 2001
Spectator processes which are in thermal equilibrium during the period of baryogenesis influence the final baryon asymmetry. We study this effect quantitatively for thermal leptogenesis where we find a suppression by a factor O(1)
W. Buchmüller, Buchmuller, W., Plumacher, M., M. Plümacher   +3 more
core   +1 more source

QCD axion from a spontaneously broken B - L gauge symmetry. [PDF]

J High Energy Phys, 2020
Choi G, Suzuki M, Yanagida TT.
europepmc   +1 more source