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Dear All,</div>
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We have a seminar this week, whose details are provided below - </div>
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<span style="font-size: 15px;"><b>Speaker:</b> </span><span style="font-size: 11pt;"><b>Qi-Xin Xie</b></span><span style="font-size: 15px;"> (University of Nottingham) (In-person Seminar)</span></div>
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<b>Seminar date:</b> <b>25th February, Tuesday, 1 pm </b>UK time</div>
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<b>Venue:</b> Seminar Room <b>A 113 (Cripps North Building, CAPT)</b></div>
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<b>Title: Superradiance of Non-topological Solitons</b></div>
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<b>Abstract</b>: 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.</div>
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<b>Link to join:</b></div>
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<a href="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" target="_blank" id="OWAc642c1e6-e2ae-0ff8-804e-4d4e25c351b0" class="x_OWAAutoLink" title="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" rel="noopener noreferrer" data-auth="NotApplicable" data-ogsc="" data-linkindex="0" style="margin: 0px;">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</a></div>
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<b><i>List of upcoming Seminars:</i></b></div>
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03th March: Tuomas Tenkanen (U. Helsinki) - <b>On Monday!</b></div>
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04th March: NO SEMINAR (PhD interviews)</div>
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11th March: Diksha Jain (Cambridge) : Amplitudes, Correlators</div>
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18th March: Ivano Basile (Max Planck)</div>
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With Regards,</div>
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-Elisa & Swagat</div>
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