[Astro] [CAPT] Particle Cosmology & Gravity Seminar this week: Qi-Xin Xie (Nottingham)

[Elisa Todarello]

Dear All,

                  We have a seminar this week, whose details are provided below -

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Speaker: Qi-Xin Xie  (University of Nottingham) (In-person Seminar)

Seminar date: 25th February, Tuesday, 1 pm UK time

Venue: Seminar Room A 113 (Cripps North Building, CAPT)

Title: Superradiance of Non-topological Solitons

Abstract: Superradiance, a radiation enhancement phenomenon, can trigger instabilities around black holes and plays an important role in the search for ultralight bosons in astrophysics. Q-balls and their gravitational counterparts, boson stars, are two typical types of non-topological solitons that exhibit coherent rotation in their internal field spaces. These objects are closely related to dark matter sources and compact alternatives to black holes. In this talk, I will introduce a novel form of superradiance induced by the internal space rotation of non-topological solitons and show its universal properties. Additionally, the effect of real space rotation is also discussed.

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Link to join:

 https://teams.microsoft.com/l/meetup-join/19%3ameeting_OGM3OTk5NzQtZWEwZS00ZmUyLTk3MGUtZjFhY2M5OTU2MjI1%40thread.v2/0?context=%7b%22Tid%22%3a%2267bda7ee-fd80-41ef-ac91-358418290a1e%22%2c%22Oid%22%3a%22f3250584-4b5f-48fa-a897-08e77f2246b7%22%7d


List of upcoming Seminars:

03th March: Tuomas Tenkanen (U. Helsinki) - On Monday!
04th March: NO SEMINAR (PhD interviews)
11th March: Diksha Jain (Cambridge) : Amplitudes, Correlators
18th March: Ivano Basile (Max Planck)


With Regards,
-Elisa & Swagat

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