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Electroweak baryogenesis depends on the profile of the bubble wall created in the first-order phase transition. It is pointed out that CP violation in the Higgs sector of the MSSM could become large enough to explain the baryon asymmetry.…

High Energy Physics - Phenomenology · Physics 2009-10-31 Koichi Funakubo , Shoichiro Otsuki , Fumihiko Toyoda

With the motivation of explaining the dark matter and achieving the electroweak baryogenesis via the spontaneous CP-violation at high temperature, we propose a complex singlet scalar ($S=\frac{\chi+i\eta_s}{\sqrt{2}}$) extension of the…

High Energy Physics - Phenomenology · Physics 2024-02-07 Jinghong Ma , Jie Wang , Lei Wang

We consider the possibility of electroweak baryogenesis in a simple extension of the standard model with an extra singlet complex scalar and a vector-like down quark. We show that in the present model the first-order electroweak phase…

High Energy Physics - Phenomenology · Physics 2014-11-17 G. C. Branco , D. Delepine , D. Emmanuel-Costa , R. Gonzalez Felipe

We analyze the nMSSM with CP violation in the singlet sector. We study the static and dynamical properties of the electroweak phase transition. We conclude that electroweak baryogenesis in this model is generic in the sense that if the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Stephan J. Huber , Thomas Konstandin , Tomislav Prokopec , Michael G. Schmidt

We study the electroweak baryogenesis in the framework of the effective field theory. Our study shows that by introducing a light singlet scalar particle and a dimension-5 operator, it can provide the strong first order phase transition and…

High Energy Physics - Phenomenology · Physics 2015-10-21 Fa Peng Huang , Chong Sheng Li

In any scenario of the electroweak baryogenesis, the profile of the CP violating bubble wall, created at the first-order phase transition, plays an essential role. We attempt to determine it by solving the equations of motion for the…

High Energy Physics - Phenomenology · Physics 2009-10-28 K. Funakubo , A. Kakuto , S. Otsuki , K. Takenaga , F. Toyoda

We study the phase space structure of exact quantum Wightman functions in spatially homogeneous, temporally varying systems. In addition to the usual mass shells, the Wightman functions display additional coherence shells around zero…

High Energy Physics - Theory · Physics 2020-01-15 Henri Jukkala , Kimmo Kainulainen , Olli Koskivaara

The origin of the baryon asymmetry of the universe (BAU) is a longstanding problem in the high energy physics. The electroweak baryogenesis mechanism, which generates the BAU during the first order electroweak phase transition, provides a…

High Energy Physics - Phenomenology · Physics 2019-10-22 Wei Chao , Yandong Liu

We extend the standard model to a scalar-assisted vector-like fermion model to realize electroweak baryogenesis. The extended Cabbibo-Kobayashi-Maskawa matrix, due to the mixing among the vector-like quark and the standard model quarks,…

High Energy Physics - Phenomenology · Physics 2016-07-20 Ming-Lei Xiao , Jiang-Hao Yu

We compare the results of the semi-classical (SC) and quantum-mechanical (QM) formalisms for angular-momentum changing transitions in Rydberg atom collisions given by Vrinceanu & Flannery, J. Phys. B 34, L1 (2001), and Vrinceanu, Onofrio &…

We present a microscopic theory for quantum thermoelectric and heat transport in the Schwarzian regime of the Sachdev-Ye-Kitaev (SYK) model. As a charged fermion realization of the SYK model in nanostructures we assume a setup based on a…

Strongly Correlated Electrons · Physics 2021-05-12 Andrei I. Pavlov , Mikhail N. Kiselev

After a short review of electroweak scale baryogenesis, we consider the dynamics of chiral fermions coupled to a complex scalar field through the standard Yukawa interaction term at a strongly first order electroweak phase transition. By…

High Energy Physics - Phenomenology · Physics 2007-05-23 Tomislav Prokopec

We review a semi-classical transport theory for non-Abelian plasmas based on a classical picture of coloured point particles. Within this formalism, kinetic equations for the mean particle distribution, the mean fields and their…

High Energy Physics - Phenomenology · Physics 2009-11-07 Daniel F. Litim , Cristina Manuel

We calculate the baryon asymmetry generated at the electroweak phase transition in the minimal supersymmetric standard model, using a new method to compute the CP-violating asymmetry in the Higgsino flux reflected into the unbroken phase.…

High Energy Physics - Phenomenology · Physics 2009-10-31 Nuria Rius , Veronica Sanz

We use the Kubo response functions to calculate the electrical and thermal conductivity and Seebeck coefficient at low temperatures and frequencies in the quantum-critical region for fermions on a lattice. The theory uses scattering of the…

Strongly Correlated Electrons · Physics 2026-01-05 Hideaki Maebashi , Chandra M. Varma

CP non-invariance is strongly limited by present experiments, while extra sources of CP-violation are needed for a successful baryogenesis. Motivated by those observations we consider a model which predicts spontaneous violation of CP at…

High Energy Physics - Phenomenology · Physics 2018-09-26 Bohdan Grzadkowski , Da Huang

By treating CP-violating interaction as a perturbative term, we solved in a previous paper the Dirac equation in the background of electroweak bubble wall, and obtained the transmission and reflection coefficients for a chiral fermion…

High Energy Physics - Phenomenology · Physics 2009-09-25 K. Funakubo , A. Kakuto , S. Otsuki , K. Takenaga , F. Toyoda

Current vertex correction (CVC), the back-flow-like correction to the current, comes from conservation laws, and the CVC due to electron correlation contains information about many-body effects. However, it has been little understood how…

Strongly Correlated Electrons · Physics 2016-07-08 Naoya Arakawa

For a system of non-interacting electrons scattered by neutral impurities, we derive a modified Boltzmann equation that includes quasiparticle and virial corrections. We start from quasiclassical transport equation for non-equilibrium…

Disordered Systems and Neural Networks · Physics 2009-10-31 Václav Špička , Pavel Lipavský , Klaus Morawetz

Respecting the conservation laws of momentum and energy in a many body theory is very important for understanding the transport phenomena. The previous conserving approximation requires that the self-energy of a single particle can be…

Quantum Gases · Physics 2016-06-29 Yan He , Hao Guo
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