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<p class="xxelementtoproof" style="margin:0cm;background:white"><b><span style="font-size:16.0pt;color:black">Monday 1<sup>st</sup> June at 3pm, A113 CAPT – Theoretical Physics Student Seminar<o:p></o:p></span></b></p>
<p class="xxelementtoproof" style="margin:0cm;background:white"><span style="font-size:16.0pt;color:black">Peter Du<o:p></o:p></span></p>
<p class="xxxmsonormal" style="margin:0cm"><i><span style="font-size:14.0pt;color:black">Do we live in a simulation? (quantum gravity edition)<o:p></o:p></span></i></p>
<p class="xxxmsonormal" style="margin:0cm"><i><span style="font-size:14.0pt;color:black">---<o:p></o:p></span></i></p>
<p class="xxelementtoproof" style="margin:0cm;background:white"><b><span style="font-size:16.0pt;color:black">Tuesdays at 11am, CAPT Foyer – Astro Coffee<br>
<br>
Tuesdays at 11.30am, A113 CAPT – Astronomy Journal Club</span></b><o:p></o:p></p>
<p class="xxelementtoproof" style="margin:0cm;background:white"><b><span style="font-size:16.0pt;color:black"> </span></b><o:p></o:p></p>
<p class="xxelementtoproof" style="margin:0cm;background:white"><b><span style="font-size:16.0pt;color:black">Tuesday 2<sup>nd</sup> June at 1pm, C12 Physics – Particle Cosmology and Gravity Seminar</span></b><o:p></o:p></p>
<p class="xxxmsonormal" style="margin:0cm"><span style="font-size:16.0pt">Mariana Carillo González (Imperial/Southampton)<o:p></o:p></span></p>
<p class="xxxmsonormal" style="margin:0cm"><i><span style="font-size:14.0pt;color:black">(A)dS Double Copy in Twistor Space<o:p></o:p></span></i></p>
<p class="xxxmsonormal" style="margin:0cm"><i><span style="font-size:14.0pt;color:black"><o:p> </o:p></span></i></p>
<p class="MsoNormal"><span style="color:black">The double copy, which relates gravity to the square of Yang–Mills theory, is usually studied in flat spacetime and is known to hold both for scattering amplitudes and for classical field configurations. In this
talk, I will present a new approach that extends these results to maximally symmetric curved spacetimes. The new relations are formulated in twistor space, a complex projective space that encodes solutions to the equations of motion as holomorphic data. First,
I will discuss the case of AdS₃, where a double copy structure for bulk to boundary correlators and black hole solutions naturally arises in minitwistor space. Then, I will show how in (A)dS₄ one can construct bulk correlation functions using only twistors,
dual twistors, and the infinity twistor as building blocks. The relation to coordinate space arises via nested Penrose transforms. The boundary limit of these correlators yields CFT correlators / wavefunction coefficients that satisfy the expected Ward identities
and obey a simple double copy relation.<o:p></o:p></span></p>
<p class="xxelementtoproof" style="margin:0cm;background:white"><b><span style="color:black"> </span></b><o:p></o:p></p>
<p class="xxelementtoproof" style="margin:0cm;background:white"><b><span style="color:black">Link to join:</span></b><span style="color:black"> </span><span style="color:#467886"><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" 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">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></span><span style="color:black"><br>
</span><span style="font-size:16.0pt;color:black">---<o:p></o:p></span></p>
<p class="xxelementtoproof" style="margin:0cm;background:white"><b><span style="font-size:16.0pt;color:black">Wednesday 3<sup>rd</sup> June at 3.45pm, C4 Physics – Astronomy Seminar</span></b><o:p></o:p></p>
<p class="xxxmsonormal" style="margin:0cm"><span style="font-size:16.0pt">Allison Noble (Arizona State U.)<o:p></o:p></span></p>
<p class="xxelementtoproof" style="margin:0cm;background:white"><i><span style="font-size:14.0pt;color:black">Disrupting the Baryon Cycle in Cluster Galaxies and BCGs<o:p></o:p></span></i></p>
<p class="xxelementtoproof" style="margin:0cm;background:white"><i><span style="font-size:11.0pt;color:black"><o:p> </o:p></span></i></p>
<p class="elementtoproof" style="background:white"><span style="font-size:11.0pt;color:black">Galaxies undergo an astrophysical balancing act between gas cooling and energy feedback; in cluster environments, this delicate equilibrium can be significantly disrupted
through gas stripping, changes to gas accretion, shock-induced heating, or the suppression of star formation. Spatially-resolved observations of three critical ISM components — gas, dust, and stars — are crucial to understand the complex interplay between
these mechanisms and the overall galactic baryon cycle within cluster galaxies. With kiloparsec-scale observations from ultraviolet to submillimeter wavelengths, I will discuss recent results from ongoing campaigns with ALMA and HST to map the molecular gas
kinematics, dust continuum morphologies, star formation efficiency, and feedback in high-redshift cluster galaxies; these observations span the star-forming main-sequence cluster population to the most massive galaxies — the brightest cluster galaxy (BCG). I
will highlight evidence for elevated gas fractions, asymmetric gas kinematics, and potential ram-pressure stripping at high redshift, as well as the discovery of a 30 kiloparsec dust tail stemming from a BCG, potentially launched by AGN jets. These studies
are providing us with clues into environmental quenching, feedback, and the growth of cluster cores at the dawn of cluster assembly.</span><span style="font-size:11.0pt"><o:p></o:p></span></p>
<p class="xxelementtoproof" style="margin:0cm;background:white"><span style="font-size:16.0pt;color:black">---<o:p></o:p></span></p>
<p class="xxelementtoproof" style="margin:0cm;background:white"><b><span style="font-size:16.0pt;color:black">Thursday 4<sup>th</sup> June at 1pm, A113 CAPT – Astronomy Lunch Talk</span></b><o:p></o:p></p>
<p class="xxxmsonormal" style="margin:0cm"><span style="font-size:16.0pt">Joe Butler<o:p></o:p></span></p>
<p class="xxxmsonormal" style="margin:0cm"><span style="font-size:16.0pt"> </span><o:p></o:p></p>
<p class="xxelementtoproof" style="margin:0cm;background:white"><b><span style="font-size:16.0pt;color:black">Thursdays at 3pm, A113 CAPT – Particle Cosmology Journal Club</span></b><o:p></o:p></p>
<p class="xxxmsonormal" style="margin:0cm"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">---</span><o:p></o:p></p>
<p class="xxmsonormal" style="margin:0cm"><b><span style="font-size:16.0pt">Fridays at 4pm, CAPT Foyer – CAPT Cakes</span></b><o:p></o:p></p>
<p class="xxmsonormal" style="margin:0cm"><span style="font-size:11.0pt">---</span><o:p></o:p></p>
<p class="xxmsonormal" style="margin:0cm">If you have any events/visitors you would like included in next week’s bulletin, please let me know.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-GB">Best wishes</span><span style="mso-ligatures:none;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:6.0pt;mso-fareast-language:EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;mso-fareast-language:EN-GB">Ella<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:6.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-family:"Arial",sans-serif;color:#009BBD;mso-fareast-language:EN-GB">Ella Batchelor
</span></b><span style="font-family:"Arial",sans-serif;color:#009BBD;mso-fareast-language:EN-GB">(she/her)</span><o:p></o:p></p>
<p class="MsoNormal"><b><span lang="EN-US" style="font-family:"Arial",sans-serif;color:#0F1245;mso-fareast-language:EN-GB">Administrator</span></b><span style="mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-family:"Arial",sans-serif;color:#0F1245;mso-fareast-language:EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#0F1245;mso-fareast-language:EN-GB">School of Physics & Astronomy</span><span lang="ZH-CN" style="font-size:9.0pt;font-family:"MS Gothic";color:#0F1245;mso-fareast-language:ZH-CN">
</span><span lang="EN-US" style="font-size:9.0pt;font-family:"MS Mincho";color:#0F1245;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#0F1245;mso-fareast-language:EN-GB">University of Nottingham</span><span lang="EN-US" style="font-size:9.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#0F1245;mso-fareast-language:EN-GB">A112a Centre for Astronomy & Particle Theory</span><span lang="EN-US" style="font-size:9.0pt;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#0F1245;mso-fareast-language:EN-GB">University Park</span><span lang="EN-US" style="font-size:9.0pt;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#0F1245;mso-fareast-language:EN-GB">Nottingham, NG7 2RD</span><span lang="EN-US" style="font-size:9.0pt;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:9.0pt;mso-fareast-language:EN-GB"> <o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#0F1245;mso-fareast-language:EN-GB">+44 (0) 115 74 86778<b> </b></span><b><span lang="EN-US" style="font-size:9.0pt;color:#0F1245;mso-fareast-language:EN-GB">| </span></b><b><span lang="EN-US" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#0F1245;mso-fareast-language:EN-GB">
</span></b><a href="http://nottingham.ac.uk/"><span lang="EN-US" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:blue;mso-fareast-language:EN-GB">nottingham.ac.uk</span></a><span style="mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="mso-fareast-language:EN-GB"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:EN-GB"><o:p> </o:p></span></p>
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