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Lightest sterile neutrino abundance within the nuMSM
- T. Asaka, M. Laine, M. Shaposhnikov
- Physics
- 14 December 2006
We determine the abundance of the lightest (dark matter) sterile neutrinos created in the Early Universe due to active-sterile neutrino transitions from the thermal plasma. Our starting point is the…
Generic rules for high temperature dimensional reduction and their application to the Standard Model
- K. Kajantie, M. Laine, K. Rummukainen, M. Shaposhnikov
- Physics
- 1996
Sterile neutrino dark matter as a consequence of nuMSM-induced lepton asymmetry
- M. Laine, M. Shaposhnikov
- Physics
- 29 April 2008
It has been pointed out by one of the authors (Shaposhnikov 2008Preprint0804.4542) that in the νMSM (Standard Model extended with three right-handed neutrinos with masses smaller than the electroweak…
Real-time static potential in hot QCD
- M. Laine, O. Philipsen, P. Romatschke, M. Tassler
- Physics
- 23 November 2006
We derive a static potential for a heavy quark- antiquark pair propagating in Minkowski time at finite temperature, by defining a suitable gauge-invariant Green's function and computing it to first…
The Pressure of hot QCD up to g6 ln(1/g)
- K. Kajantie, M. Laine, K. Rummukainen, Y. Schroder
- Physics
- 20 November 2002
The free energy density, or pressure, of QCD has at high temperatures an expansion in the coupling constant g, known so far up to order g^5. We compute here the last contribution which can be…
The Electroweak Phase Transition: A Non-Perturbative Analysis
- K. Kajantie, M. Laine, K. Rummukainen, M. Shaposhnikov
- Physics
- 29 April 1996
Quark mass thresholds in QCD thermodynamics
- M. Laine, Y. Schroder
- Physics
- 6 March 2006
We discuss radiative corrections to how quark mass thresholds are crossed, as a function of the temperature, in basic thermodynamic observables such as the pressure, the energy and entropy densities,…
Two-loop QCD gauge coupling at high temperatures
- M. Laine, Y. Schroder
- Physics
- 1 March 2005
We determine the 2-loop effective gauge coupling of QCD at high temperatures, defined as a matching coefficient appearing in the dimensionally reduced effective field theory. The result allows to…
GeV-scale hot sterile neutrino oscillations: a derivation of evolution equations
- J. Ghiglieri, M. Laine
- Physics
- 17 March 2017
A bstractStarting from operator equations of motion and making arguments based on a separation of time scales, a set of equations is derived which govern the non-equilibrium time evolution of a…
Improved determination of sterile neutrino dark matter spectrum
- J. Ghiglieri, M. Laine
- Physics
- 22 June 2015
A bstractThe putative recent indication of an unidentified 3.55 keV X-ray line in certain astrophysical sources is taken as a motivation for an improved theoretical computation of the cosmological…
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