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Gravitational radiation generated by cosmological phase transition magnetic fields

Kahniashvili, Tina and Kisslinger, Leonard and Stevens, Trevor (2010) Gravitational radiation generated by cosmological phase transition magnetic fields. Physical review D, 81.

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Abstract

We study gravitational waves generated by the cosmological magnetic fields induced via bubble collisions during the electroweak (EW) and QCD phase transitions. The magnetic field generation mechanisms considered here are based on the use of the fundamental EW minimal supersymmetric and QCD Lagrangians. The gravitational waves spectrum is computed using a magnetohydrodynamic turbulence model. We find that the gravitational wave spectrum amplitude generated by the EW phase transition peaks at a frequency of approximately 1-2 mHz, and is of the order of 10-20-10-21; thus this signal is possibly detectable by the Laser Interferometer Space Antenna (LISA). The gravitational waves generated during the QCD phase transition, however, are outside the LISA sensitivity bands.

Item Type: Article
Subjects: Q Science > QB Astronomy
Q Science > QC Physics
Depositing User: Prof. Tina Kahniashvili
Date Deposited: 30 Jan 2014 12:40
Last Modified: 27 Mar 2015 07:06
URI: http://eprints.iliauni.edu.ge/id/eprint/737

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