Pantheon SEMPARIS Le serveur des séminaires parisiens Paris

Status Confirmed
Seminar Series IPHT-HEP
Subjects hep-ph
Date Tuesday 5 June 2018
Time 14:15
Institute IPHT
Seminar Room Salle Claude Itzykson, Bât. 774
Speaker's Last Name Csaba Csaki
Speaker's First Name
Speaker's Email Address
Speaker's Institution Cornell University
Title Neutron stars chirp about vacuum energy
Abstract While the current vacuum energy of the Universe is very small, in our standard cosmological picture it has been much larger at earlier epochs. We try to address the question of what are possible ways to try to experimentally verify the properties of vacuum energy in phases other than the SM vacuum. One promising direction is to look for systems where vacuum energyconstitutes a non-negligible fraction of the total energy, and study the properties of those. Neutron stars could be such systems, and we discuss how to use the recent observation of neutron star mergers to try to learn about the inner core of the neutron star which may be dominated by vacuum energy.
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