Suomalaiset tutkijat yrittää selvittää miksei maailmankaikkeus romahtanut inflaation jälkeen. Hyvä Suomi ja tiede!
>In a new paper published in Physical Review Letters, Matti Herranen at the University of Copenhagen and coauthors may have come a step closer to solving the problem by constraining the strength of the coupling between the Higgs field and gravity, which is the last unknown parameter of the standard model.
As the physicists explain, the stronger the Higgs field is coupled to gravity, the larger are the fluctuations that may eventually trigger a fatal transition to the negative energy vacuum state.
In the new paper, the scientists calculated that a collapse after inflation would have happened only if the coupling strength had been above a value of 1.
http://phys.org/news/2015-12-physicists-universe-collapse.html
>Spacetime Curvature and Higgs Stability after Inflation
M. Herranen, T. Markkanen, S. Nurmi, and A. Rajantie
Phys. Rev. Lett. 115, 241301 – Published 8 December 2015
http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.115.241301
>In a new paper published in Physical Review Letters, Matti Herranen at the University of Copenhagen and coauthors may have come a step closer to solving the problem by constraining the strength of the coupling between the Higgs field and gravity, which is the last unknown parameter of the standard model.
As the physicists explain, the stronger the Higgs field is coupled to gravity, the larger are the fluctuations that may eventually trigger a fatal transition to the negative energy vacuum state.
In the new paper, the scientists calculated that a collapse after inflation would have happened only if the coupling strength had been above a value of 1.
http://phys.org/news/2015-12-physicists-universe-collapse.html
>Spacetime Curvature and Higgs Stability after Inflation
M. Herranen, T. Markkanen, S. Nurmi, and A. Rajantie
Phys. Rev. Lett. 115, 241301 – Published 8 December 2015
http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.115.241301
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