[Astro] [CAPT] Particle Cosmology and Gravity Seminar + discussion with students: Peter Millington

[Elisa Todarello]

Hello,

A reminder of the student's discussion with the seminar speaker at 10,30 in A133.

Cheers,
Elisa
________________________________
From: Elisa Todarello (staff)
Sent: 21 March 2025 14:08
To: capt at nottingham.ac.uk <capt at nottingham.ac.uk>; maths-quantum-gravity-group at lists.nottingham.ac.uk <maths-quantum-gravity-group at lists.nottingham.ac.uk>; O365-Gravity Laboratory <o365-gravitylaboratory at UniofNottm.onmicrosoft.com>; ncog-people at nottingham.ac.uk <ncog-people at nottingham.ac.uk>
Cc: Bobby Acharya <bacharya at ictp.it>; Ella Batchelor (staff) <ppzeb1 at exmail.nottingham.ac.uk>; Drande Patogu <ppydp10 at exmail.nottingham.ac.uk>; Leonora van Deurs <ppylv1 at exmail.nottingham.ac.uk>; Jacob Thornley <ppyjt15 at exmail.nottingham.ac.uk>; Peter Millington <peter.millington at manchester.ac.uk>
Subject: Particle Cosmology and Gravity Seminar + discussion with students: Peter Millington

Dear All,

                  We have a seminar this week whose details are provided below. The speaker will be also available for a discussion with students from 10,30 to 11,30 am in A 113.

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Speaker: Peter Millington (U. Manchester)

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

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


Title: Pseudo-Hermitian Quantum Field Theories from First Principles


Abstract:  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.

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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:

01st April: Anna Kormu (Helsinki)
08th April: Tales of Gravity Conference
15th April: No seminar
22nd April: Isobel Romero (Cambridge)
29th April: Daniel Panizo (Kyoto U)
6th May: Ameek Malhotra (Swansea)
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With Regards,
-Elisa & Swagat

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