205 citations · 1.4k across the 29 of their papers we have counts for
29 papers
Cosmological phase transitions without high-temperature expansions
Pablo Navarrete, Risto Paatelainen, Kaapo Seppänen +1
We introduce a new framework for perturbatively computing equilibrium thermodynamic properties of cosmological phase transitions to high loop orders, using the full four-dimensiona…
An Effective Sphaleron Awakens
Xu-Xiang Li, Michael J. Ramsey-Musolf, Tuomas V. I. Tenkanen +1
Using thermal effective field theory, we present a self-consistent perturbative formulation of the Higgs phase sphaleron rate after a radiatively-induced first-order phase transiti…
Non-perturbative determination of the sphaleron rate for first-order phase transitions
Jaakko Annala, Kari Rummukainen, Tuomas V. I. Tenkanen
In many extensions of the Standard Model electroweak phase transitions at high temperatures can be described in a minimal dimensionally reduced effective theory with SU(2) gauge fi…
Higher-dimensional operators at finite-temperature affect gravitational-wave predictions
Fabio Bernardo, Philipp Klose, Philipp Schicho +1
We investigate the effect of higher-dimensional marginal operators on the thermodynamics of cosmological phase transitions. Using the Abelian Higgs model as a representative for ra…
Finite-temperature bubble nucleation with shifting scale hierarchies
Maciej Kierkla, Philipp Schicho, Bogumila Swiezewska +2
Focusing on supercooled phase transitions in models with classical scale symmetry, we formulate a state-of-the art framework for computing the bubble-nucleation rate, accounting fo…
Refining Gravitational Wave and Collider Physics Dialogue via Singlet Scalar Extension
Michael J. Ramsey-Musolf, Tuomas V. I. Tenkanen, Van Que Tran
Employing effective field theory techniques, we advance computations of thermal parameters that enter predictions for the gravitational wave spectra from first-order electroweak ph…
Investigating two-loop effects for first-order electroweak phase transitions
Lauri Niemi, Tuomas V. I. Tenkanen
We study first-order electroweak phase transitions in the real-singlet extended Standard Model, for which non-zero mixing between the Higgs and the singlet can efficiently strength…
Cosmological phase transitions at three loops: the final verdict on perturbation theory
Andreas Ekstedt, Philipp Schicho, Tuomas V. I. Tenkanen
We complete the perturbative program for equilibrium thermodynamics of cosmological first-order phase transitions by determining the finite-temperature effective potential of gauge…
Gravitational waves from supercooled phase transitions: dimensional transmutation meets dimensional reduction
Maciej Kierkla, Bogumila Swiezewska, Tuomas V. I. Tenkanen +1
Models with radiative symmetry breaking typically feature strongly supercooled first-order phase transitions, which result in an observable stochastic gravitational wave background…
Perturbative effective field theory expansions for cosmological phase transitions
Oliver Gould, Tuomas V. I. Tenkanen
Guided by previous non-perturbative lattice simulations of a two-step electroweak phase transition, we reformulate the perturbative analysis of equilibrium thermodynamics for gener…
Strong electroweak phase transition in -channel simplified dark matter models
Simone Biondini, Philipp Schicho, Tuomas V. I. Tenkanen
Beyond the Standard Model physics is required to explain both dark matter and the baryon asymmetry of the universe, the latter possibly generated during a strong first-order electr…
Speed of sound in cosmological phase transitions and effect on gravitational waves
Tuomas V. I. Tenkanen, Jorinde van de Vis
The energy budget for gravitational waves of a cosmological first order phase transitions depends on the speed of sound in the thermal plasma in both phases around the bubble wall.…
DRalgo: a package for effective field theory approach for thermal phase transitions
Andreas Ekstedt, Philipp Schicho, Tuomas V. I. Tenkanen
DRalgo is an algorithmic implementation that constructs an effective, dimensionally reduced, high-temperature field theory for generic models. The corresponding Mathematica package…
Combining thermal resummation and gauge invariance for electroweak phase transition
Philipp Schicho, Tuomas V. I. Tenkanen, Graham White
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…
Addressing the Gravitational Wave - Collider Inverse Problem
Leon S. Friedrich, Michael J. Ramsey-Musolf, Tuomas V. I. Tenkanen +1
We provide a roadmap for analyzing the interplay between hypothetical future collider observations and the detection of a gravitational wave signal produced by a strong first order…
Nucleation at finite temperature: a gauge-invariant, perturbative framework
Johan Löfgren, Michael J. Ramsey-Musolf, Philipp Schicho +1
We present a gauge-invariant framework for bubble nucleation in theories with radiative symmetry breaking at high temperature. As a procedure, this perturbative framework establish…
Computing the gauge-invariant bubble nucleation rate in finite temperature effective field theory
Joonas Hirvonen, Johan Löfgren, Michael J. Ramsey-Musolf +2
A gauge-invariant framework for computing bubble nucleation rates at finite temperature in the presence of radiative barriers was presented and advocated for model-building and phe…
On the perturbative expansion at high temperature and implications for cosmological phase transitions
Oliver Gould, Tuomas V. I. Tenkanen
We revisit the perturbative expansion at high temperature and investigate its convergence by inspecting the renormalisation scale dependence of the effective potential. Although at…
Singlet-assisted electroweak phase transition at two loops
Lauri Niemi, Philipp Schicho, Tuomas V. I. Tenkanen
We investigate the electroweak phase transition in the real-singlet extension of the Standard Model at two-loop level, building upon existing one-loop studies. We calculate the eff…
Robust approach to thermal resummation: Standard Model meets a singlet
Philipp M. Schicho, Tuomas V. I. Tenkanen, Juuso Österman
Perturbation theory alone fails to describe thermodynamics of the electroweak phase transition. We review a technique combining perturbative and non-perturbative methods to overcom…
Theoretical uncertainties for cosmological first-order phase transitions
Djuna Croon, Oliver Gould, Philipp Schicho +2
We critically examine the magnitude of theoretical uncertainties in perturbative calculations of first-order phase transitions, using the Standard Model effective field theory as o…
Thermodynamics of a two-step electroweak phase transition
Lauri Niemi, Michael J. Ramsey-Musolf, Tuomas V. I. Tenkanen +1
New field content beyond that of the Standard Model of particle physics can alter the thermal history of electroweak symmetry breaking in the early universe. In particular, the sym…
On the validity of perturbative studies of the electroweak phase transition in the Two Higgs Doublet model
Kimmo Kainulainen, Venus Keus, Lauri Niemi +3
Making use of a dimensionally-reduced effective theory at high temperature, we perform a nonperturbative study of the electroweak phase transition in the Two Higgs Doublet model. W…
Nonperturbative analysis of the gravitational waves from a first-order electroweak phase transition
Oliver Gould, Jonathan Kozaczuk, Lauri Niemi +3
We present the first end-to-end nonperturbative analysis of the gravitational wave power spectrum from a thermal first-order electroweak phase transition (EWPT), using the framewor…