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Hello,</div>
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A reminder of the student's discussion with the seminar speaker at 10,30 in A133.</div>
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Cheers,</div>
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Elisa</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Elisa Todarello (staff)<br>
<b>Sent:</b> 21 March 2025 14:08<br>
<b>To:</b> capt@nottingham.ac.uk <capt@nottingham.ac.uk>; maths-quantum-gravity-group@lists.nottingham.ac.uk <maths-quantum-gravity-group@lists.nottingham.ac.uk>; O365-Gravity Laboratory <o365-gravitylaboratory@UniofNottm.onmicrosoft.com>; ncog-people@nottingham.ac.uk
<ncog-people@nottingham.ac.uk><br>
<b>Cc:</b> Bobby Acharya <bacharya@ictp.it>; Ella Batchelor (staff) <ppzeb1@exmail.nottingham.ac.uk>; Drande Patogu <ppydp10@exmail.nottingham.ac.uk>; Leonora van Deurs <ppylv1@exmail.nottingham.ac.uk>; Jacob Thornley <ppyjt15@exmail.nottingham.ac.uk>; Peter
Millington <peter.millington@manchester.ac.uk><br>
<b>Subject:</b> Particle Cosmology and Gravity Seminar + discussion with students: Peter Millington</font>
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Dear All,</div>
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We have a seminar this week whose details are provided below. The speaker will be also available for a
<b>discussion with students from 10,30 to 11,30 am in A 113</b>. </div>
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<span style="font-size:15px"><b>Speaker:</b> </span><span style="font-size:11pt"><b>Peter Millington
</b>(U. Manchester)</span></div>
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<b>Seminar date:</b> March 25th<b>, 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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<span style="font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Calibri,Helvetica,sans-serif; font-size:12pt; color:black"><b>Title:
</b></span><span style="font-family:"Segoe UI","Segoe UI Web (West European)",-apple-system,"system-ui",Roboto,"Helvetica Neue",sans-serif; font-size:15px; color:black"><b><i>Pseudo-Hermitian Quantum Field Theories from First Principles</i></b></span></p>
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<span style="font-family:"Segoe UI","Segoe UI Web (West European)",-apple-system,"system-ui",Roboto,"Helvetica Neue",sans-serif; font-size:15px; color:black"><b>Abstract: </b>It is now well established that quantum theories described by non-Hermitian Hamiltonians
can exhibit real spectra and a unitary evolution. The viability of these “pseudo-Hermitian” quantum theories often relies on the invariance of the Hamiltonian under antilinear spacetime symmetries; namely, the combined action of parity and time-reversal transformations.
Spacetime symmetries play a special role in quantum field theory, and this makes the second quantization of pseudo-Hermitian mechanics more intricate. In this talk, I will describe how self-consistent pseudo-Hermitian quantum field theories can be built from
first principles and highlight novel implications for high energy physics phenomenology.</span></p>
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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="OWAc9fc1a2a-a82f-2475-9cc4-8a7a6fba7675" 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-linkindex="0" data-auth="NotApplicable" 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><u>List of upcoming Seminars:</u></i></b></div>
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01<sup>st</sup> April: Anna Kormu (Helsinki)</div>
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08<sup>th</sup> April: Tales of Gravity Conference</div>
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15<sup>th</sup> April: No seminar</div>
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22nd April: Isobel Romero (Cambridge)</div>
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29<sup>th</sup> April: Daniel Panizo (Kyoto U)</div>
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6<sup>th</sup> May: Ameek Malhotra (Swansea)</div>
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With Regards,</div>
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-Elisa & Swagat</div>
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