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Related papers: Thermodynamics of a two-step electroweak phase tra…

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We show that models of dynamical electroweak symmetry breaking can possess an extremely rich finite temperature phase diagram. We suggest that early-universe extra electroweak phase transitions can appear in these models.

High Energy Physics - Phenomenology · Physics 2014-11-18 Matti Jarvinen , Thomas A. Ryttov , Francesco Sannino

A possible solution to the observed baryon asymmetry in the universe is described, based on the physics of the standard model of electroweak interactions. At temperatures high enough electroweak physics provides violation of baryon number,…

High Energy Physics - Phenomenology · Physics 2007-05-23 Nicholas Petropoulos

In this work, dual electroweak phase transition (EWPT) consisting of two phases, is carefully studied in the two-Higgs-doublet model with the $S_3$ discrete symmetry. The role of $S_3$ here is to further separate the stages of the…

High Energy Physics - Phenomenology · Physics 2023-02-22 Vo Quoc Phong , Nguyen Minh Anh , Hoang Ngoc Long

We study the finite-temperature effective potential of the Minimal Supersymmetric Standard Model in the full (mA, tan(beta)) parameter space. As for the features of the electroweak phase transition, we identify two possible sources of…

High Energy Physics - Phenomenology · Physics 2009-07-09 A. Brignole , J. R. Espinosa , M. Quiros , F. Zwirner

We investigate a minimal singlet-scalar extension to the Standard Model that achieves a strong first-order electroweak phase transition. The singlet can be naturally light because of an approximate shift symmetry and no extra hierarchy…

High Energy Physics - Phenomenology · Physics 2023-06-19 Keisuke Harigaya , Isaac R. Wang

We study the Electroweak phase transition with the Standard Model effective field theory at finite temperature and finite density. Utilizing the dimensional reduction approach, we construct the tree dimensional thermal effective field…

High Energy Physics - Phenomenology · Physics 2024-07-03 Renhui Qin , Ligong Bian

The commonly assumed cosmological history of our universe is that at early-times and high-temperatures the universe went through an ElectroWeak Phase Transition (EWPT). Assuming an EWPT, and depending on its strength, there are many…

High Energy Physics - Phenomenology · Physics 2019-02-06 Patrick Meade , Harikrishnan Ramani

In the standard scenario, the electroweak phase transition is a first order phase transition which completes by the nucleation of critical bubbles. Recently, there has been speculation that the standard picture of the electroweak phase…

High Energy Physics - Phenomenology · Physics 2007-05-23 Greg W. Anderson

We discuss a cosmological phase transition within the Standard Model which incorporates spontaneously broken scale invariance as a low-energy theory. In addition to the Standard Model fields, the minimal model involves a light dilaton,…

High Energy Physics - Phenomenology · Physics 2017-12-06 Suntharan Arunasalam , Archil Kobakhidze , Cyril Lagger , Shelley Liang , Albert Zhou

We study the finite temperature electroweak transition with non-perturbative lattice Monte Carlo simulations. We find that it is of first order, at least for Higgs masses up to 80 GeV. The critical temperature of the phase transition is…

High Energy Physics - Phenomenology · Physics 2009-10-28 K. Farakos , K. Kajantie , K. Rummukainen , M. Shaposhnikov

In this proceedings contribution we discuss the fate of the electroweak and the quantum chromodynamics phase transitions relevant for the early stage of the universe at non-zero temperature. These phase transitions are related to the Higgs…

High Energy Physics - Lattice · Physics 2015-06-03 Karl Jansen

The Georgi-Machacek model extends the standard model Higgs sector by adding two isospin triplet scalar fields and imposing global SU(2)$_R$ symmetry on them. A feature of the model is that the triplets can acquire a large vacuum expectation…

High Energy Physics - Phenomenology · Physics 2015-06-19 Cheng-Wei Chiang , Toshifumi Yamada

It is well known that the electroweak phase transition (EWPhT) in extensions of the Standard Model with one real scalar singlet can be first-order for realistic values of the Higgs mass. We revisit this scenario with the most general…

High Energy Physics - Phenomenology · Physics 2015-05-28 Jose R. Espinosa , Thomas Konstandin , Francesco Riva

Electroweak baryogenesis is an attractive mechanism to generate the baryon asymmetry of the Universe via a strong first order electroweak phase transition. We compare the phase transition patterns suggested by the vacuum structure at the…

High Energy Physics - Phenomenology · Physics 2021-03-12 Sebastian Baum , Marcela Carena , Nausheen R. Shah , Carlos E. M. Wagner , Yikun Wang

In this work we consider the simple $Z_2$ symmetric extension to the Standard Model (SM) and proceed to study the nature of electroweak phase transition (EWPT) in the early universe. We show that the nature of the phase transition changes…

High Energy Physics - Phenomenology · Physics 2022-11-30 Arnab Chaudhuri , Jaydeb Das

We develop a method for the construction of the effective potential at high temperatures based on the effective field theory approach and renormalization group. It allows one to sum up the leading logarithms in all orders of perturbation…

High Energy Physics - Phenomenology · Physics 2009-10-28 K. Farakos , K. Kajantie , K. Rummukainen , M. Shaposhnikov

We study twin Higgs models at non-zero temperature and discuss cosmological phase transitions as well as their implications on electroweak baryogenesis and gravitational waves. It is shown that the expectation value of the Higgs field at…

High Energy Physics - Phenomenology · Physics 2018-12-27 Kohei Fujikura , Kohei Kamada , Yuichiro Nakai , Masahide Yamaguchi

After some introductory remarks about the prospects of first order phase transitions in the early universe, we discuss in some detail the electroweak phase transition. In the standard model case a clear picture is arising including…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. G. Schmidt

We examine the behavior of the standard-model electroweak phase transition in the early Universe. We argue that close to the critical temperature it is possible to estimate the {\it effective} infrared corrections to the 1-loop potential…

High Energy Physics - Phenomenology · Physics 2009-10-22 Marcelo Gleiser , Edward W. Kolb

For computing thermodynamics of the electroweak phase transition, we discuss a minimal approach that reconciles both gauge invariance and thermal resummation. Such a minimal setup consists of a two-loop dimensional reduction to…

High Energy Physics - Phenomenology · Physics 2022-11-30 Philipp Schicho , Tuomas V. I. Tenkanen , Graham White