English
Related papers

Related papers: THE ELECTROWEAK PHASE TRANSITION ON THE LATTICE

200 papers

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

The electroweak phase transition is investigated near to its endpoint in the framework of an effective three-dimensional model. We measure the very weak interface tension with the tunneling correlation length method. First results for the…

High Energy Physics - Lattice · Physics 2009-10-30 M. Gürtler , E. -M. Ilgenfritz , A. Schiller , C. Strecha

Due to the infrared problem of high-temperature field theory, a robust study of the electroweak phase transition (EWPT) requires use of non-perturbative methods. We apply the method of high-temperature dimensional reduction to the two Higgs…

High Energy Physics - Phenomenology · Physics 2019-02-19 Tyler Gorda , Andreas Helset , Lauri Niemi , Tuomas V. I. Tenkanen , David J. Weir

We give the nonperturbative phase diagram of the four-dimensional hot electroweak phase transition. A systematic extrapolation $a \to 0$ is done. Our results show that the finite temperature SU(2)-Higgs phase transition is of first order…

High Energy Physics - Phenomenology · Physics 2009-10-31 F. Csikor , Z. Fodor , J. Heitger

We review the status of non-perturbative lattice studies of the electroweak phase transition. In the Standard Model, the complete phase diagram has been reliably determined, and the conclusion is that there is no phase transition at all for…

High Energy Physics - Lattice · Physics 2014-11-17 M. Laine , K. Rummukainen

A quantitative discussion of nonperturbative effects for the high temperature electroweak phase transition is presented. We propose a method for the computation of the temperature dependent effective scalar potential that takes into account…

High Energy Physics - Phenomenology · Physics 2009-10-28 B. Bergerhoff , C. Wetterich

We study first-order electroweak phase transitions nonperturbatively, assuming any particles beyond the Standard Model are sufficiently heavy to be integrated out at the phase transition. Utilising high temperature dimensional reduction, we…

High Energy Physics - Lattice · Physics 2024-10-17 Oliver Gould , Sinan Güyer , Kari Rummukainen

The standard model effective potential is calculated at finite temperature to order $g^4,\la^2$ and a complete zero temperature renormalization is performed. In comparison with lower order calculations the strength of the first order phase…

High Energy Physics - Phenomenology · Physics 2009-10-28 Z. Fodor , A. Hebecker

In a series of two papers, we make a comparative analysis of the performance of conventional perturbation theory to analyze electroweak phase transition in the real triplet extension of Standard Model ($\Sigma$SM). In Part I (this paper),…

High Energy Physics - Phenomenology · Physics 2019-08-14 Lauri Niemi , Hiren H. Patel , Michael J. Ramsey-Musolf , Tuomas V. I. Tenkanen , David J. Weir

A three-dimensional effective theory of the finite-temperature SU(5)+adjoint Higgs model is constructed using the method of dimensional reduction. The resulting theory can be used for computer simulations of the GUT phase transition of the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Arttu Rajantie

The continuum 3d SU(2)$\times$U(1)+Higgs theory is an effective theory for a large class of 4d high-temperature gauge theories, including the minimal standard model and some of its supersymmetric extensions. We study the effects of the U(1)…

High Energy Physics - Lattice · Physics 2008-11-26 K. Kajantie , M. Laine , K. Rummukainen , M. Shaposhnikov

We give the nonperturbative phase diagram of the four-dimensional hot electroweak phase transition. The Monte-Carlo analysis is done on lattices with different lattice spacings ($a$). A systematic extrapolation $a \to 0$ is done. Our…

High Energy Physics - Phenomenology · Physics 2009-10-31 F. Csikor , Z. Fodor , J. Heitger

We present the results of our large scale 4-dimensional (4d) lattice simulations for the MSSM electroweak phase transition (EWPT). We carried out infinite volume and continuum limit extrapolations and found a transition whose strength…

High Energy Physics - Phenomenology · Physics 2017-08-23 F. Csikor , Z. Fodor , P. Hegedus , A. Jakovac , S. D. Katz , A. Piroth

I review the present status of nonperturbative studies on the nature of the finite temperature QCD transition on the lattice, with the special attention to the determination of the order of the transition. [Talk given at the International…

Astrophysics · Physics 2016-08-30 Kazuyuki Kanaya

Recent developments in finite-temperature studies of lattice QCD are reviewed. Topics include (i) tests of improved actions for the pure gauge system, (ii) scaling study of the two-flavor chiral transition and restoration of $U_A(1)$…

High Energy Physics - Lattice · Physics 2009-10-28 A. Ukawa

We investigate the SU(2) Higgs model at a Higgs Boson mass of \simeq 34 GeV for temperatures at the electroweak scale. We discuss in detail the critical temperature, the scalar field vacuum expectation value and the latent heat. We also…

High Energy Physics - Lattice · Physics 2007-05-23 J. Hein

We study out-of-equilibrium quasi-particle distributions of the Higgs and W fields during the zero-temperature tachyonic electroweak transition that has been assumed in recent scenarios of baryogenesis. Approximating the process by a fast…

High Energy Physics - Phenomenology · Physics 2009-11-10 Jon-Ivar Skullerud , Jan Smit , Anders Tranberg

We describe an application of the linear $\de$-expansion to the calculation of correlation functions in SU(2)-Higgs lattice gauge theory. A significant advantage of the technique is that an infinite volume lattice may be used, allowing the…

High Energy Physics - Phenomenology · Physics 2007-05-23 T. S. Evans , H. F. Jones , A. Ritz

I review recent developments in the studies of the phase structure and equation of state in finite temperature QCD on the lattice.

High Energy Physics - Phenomenology · Physics 2015-05-20 Kazuyuki Kanaya

The construction of an effective 3D theory at high temperatures for the MSSM as a model of electroweak baryogenesis is discussed. The analysis for a single light scalar field shows, that given the experimental constraints, there is no value…

High Energy Physics - Phenomenology · Physics 2016-09-06 Marta Losada