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SUMMARY:Gravitational Waves from Axion Stars - Thomas Helfer (King's Colle
 ge London)
DTSTART:20180615T120000Z
DTEND:20180615T130000Z
UID:TALK107419@talks.cam.ac.uk
CONTACT:Michalis Agathos
DESCRIPTION:I will talk about the GW signatures from the collisions of Axi
 on Stars -- which are long-lived non-topological solutions of massive scal
 ar fields. I will discuss their stability and their possible end-states\, 
 dispersion or Black Hole formation. I will describe the technical challeng
 es and present the GW wave forms of such collisions calculated using the n
 umerical relativity code GRCHOMBO. I will show that for black hole end sta
 tes\, the total gravitational waves energy released in such collisions is 
 more than that of BH-BH collisions of equal masses by a significant amount
 . If you are interested to explore these exotic events in Virtual Reality\
 , please stay after the question session. 
LOCATION:Pavilion B Potter Room (B1.19)
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