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Faculty of Mathematics

 

I'm a theoretical physicist, working at the interface between cosmologyhigh-energy physics, and quantum matter. My research looks at new ways of probing the fundamental laws of Nature, whether that's using gravitational waves as cosmic messengers, or using quantum technologies to simulate the early Universe.

I'm currently based at the University of Cambridge, where I hold the Gavin Boyle Fellowship in Cosmology at the Kavli Institute for Cosmology (KICC) and the Department of Applied Mathematics and Theoretical Physics (DAMTP). I am also supported by an EPSRC Stephen Hawking Fellowship, and am a Fellow of Selwyn College.

Much of my current work focuses on vacuum decay, a fascinating quantum-mechanical phenomenon that is a ubiquitous feature of early-Universe cosmology. As a member of the Quantum Simulators for Fundamental Physics (QSimFP) Consortium, I am helping to develop laboratory experiments that will empirically test our understanding of vacuum decay for the first time. These experiments could have important and far-reaching implications for areas ranging from inflation and the multiverse to the stability of the Higgs field.

Another key focus of my research is gravitational-wave astronomy. I am particularly interested in using gravitational-wave observations to probe cosmology and fundamental physics, for example by searching for signals generated in the very early Universe, or by using gravitational-wave sources as tracers of cosmic structure formation. In 2023 I was awarded a Buchalter Cosmology Prize (2nd prize) for my work on detecting gravitational waves via their effect on binary systems. I am now part of an international team of 40+ scientists developing the GUEST mission concept (Gravitational Universe Exploration with Satellite Tracking), which will use these ideas to search for microhertz gravitational waves, ultralight dark matter, and deviations from general relativity.

I'm a core organiser of CamGW, an interdepartmental network for gravitational-wave researchers in Cambridge. I'm also a co-organiser of GW:UK, which plays a similar role on a national scale, connecting gravitational-wave researchers across the UK.

I was previously a Postdoctoral Research Fellow in the Cosmoparticle Initiative at University College London (2021-2024). I did my PhD in Theoretical Physics at King's College London (2017-2021), and my MA and MSci in Astrophysics at the University of Cambridge (2013-2017).

Publications

Model comparison from LIGOVirgo data on GW170817s binary components and consequences for the merger remnant
BP Abbott, R Abbott, TD Abbott, S Abraham, F Acernese, K Ackley, C Adams, VB Adya, C Affeldt, M Agathos, K Agatsuma, N Aggarwal, OD Aguiar, L Aiello, A Ain, P Ajith, G Allen, A Allocca, MA Aloy, PA Altin, A Amato, S Anand, A Ananyeva, SB Anderson, WG Anderson et al.
– CLASSICAL AND QUANTUM GRAVITY
(2020)
37,
045006
GW190425: Observation of a Compact Binary Coalescence with Total Mass $\sim 3.4 M_{\odot}$
The LIGO Scientific Collaboration, the Virgo Collaboration, BP Abbott, R Abbott, TD Abbott, S Abraham, F Acernese, K Ackley, C Adams, RX Adhikari, VB Adya, C Affeldt, M Agathos, K Agatsuma, N Aggarwal, OD Aguiar, L Aiello, A Ain, P Ajith, G Allen, A Allocca, MA Aloy, PA Altin, A Amato, S Anand et al.
(2020)
A Joint Fermi-GBM and LIGO/Virgo Analysis of Compact Binary Mergers From the First and Second Gravitational-wave Observing Runs
TFG-RBM Team, TLS Collaboration, TV Collaboration, :, R Hamburg, C Fletcher, E Burns, A Goldstein, E Bissaldi, MS Briggs, WH Cleveland, MM Giles, CM Hui, D Kocevski, S Lesage, B Mailyan, C Malacaria, S Poolakkil, R Preece, OJ Roberts, P Veres, A von Kienlin, CA Wilson-Hodge, J Wood, R Abbott et al.
(2020)
Open data from the first and second observing runs of Advanced LIGO and Advanced Virgo
The LIGO Scientific Collaboration, the Virgo Collaboration, R Abbott, TD Abbott, S Abraham, F Acernese, K Ackley, C Adams, RX Adhikari, VB Adya, C Affeldt, M Agathos, K Agatsuma, N Aggarwal, OD Aguiar, A Aich, L Aiello, A Ain, P Ajith, G Allen, A Allocca, PA Altin, A Amato, S Anand, A Ananyeva et al.
(2019)
Search for gravitational waves from Scorpius X-1 in the second Advanced LIGO observing run with an improved hidden Markov model
BP Abbott, R Abbott, TD Abbott, S Abraham, F Acernese, K Ackley, C Adams, RX Adhikari, VB Adya, C Affeldt, M Agathos, K Agatsuma, N Aggarwal, OD Aguiar, L Aiello, A Ain, P Ajith, G Allen, A Allocca, MA Aloy, PA Altin, A Amato, A Ananyeva, SB Anderson, WG Anderson et al.
– Physical Review D
(2019)
100,
122002
Search for Gravitational-wave Signals Associated with Gamma-Ray Bursts during the Second Observing Run of Advanced LIGO and Advanced Virgo
BP Abbott, R Abbott, TD Abbott, S Abraham, F Acernese, K Ackley, C Adams, RX Adhikari, VB Adya, C Affeldt, M Agathos, K Agatsuma, N Aggarwal, OD Aguiar, L Aiello, A Ain, P Ajith, G Allen, A Allocca, MA Aloy, PA Altin, A Amato, S Anand, A Ananyeva, SB Anderson et al.
– The Astrophysical Journal
(2019)
886,
75
Tests of general relativity with the binary black hole signals from the LIGO-Virgo catalog GWTC-1
BP Abbott, R Abbott, TD Abbott, S Abraham, F Acernese, K Ackley, C Adams, RX Adhikari, VB Adya, C Affeldt, M Agathos, K Agatsuma, N Aggarwal, OD Aguiar, L Aiello, A Ain, P Ajith, G Allen, A Allocca, MA Aloy, PA Altin, A Amato, A Ananyeva, SB Anderson, WG Anderson et al.
– Physical Review D
(2019)
100,
104036
Search for Subsolar Mass Ultracompact Binaries in Advanced LIGO's Second Observing Run.
BP Abbott, R Abbott, TD Abbott, S Abraham, F Acernese, K Ackley, C Adams, RX Adhikari, VB Adya, C Affeldt, M Agathos, K Agatsuma, N Aggarwal, OD Aguiar, L Aiello, A Ain, P Ajith, G Allen, A Allocca, MA Aloy, PA Altin, A Amato, S Anand, A Ananyeva, SB Anderson et al.
– Physical review letters
(2019)
123,
161102
Estimating the angular power spectrum of the gravitational-wave background in the presence of shot noise
AC Jenkins, JD Romano, M Sakellariadou
– Physical Review D
(2019)
100,
083501
Search for Eccentric Binary Black Hole Mergers with Advanced LIGO and Advanced Virgo during Their First and Second Observing Runs
BP Abbott, R Abbott, TD Abbott, S Abraham, F Acernese, K Ackley, C Adams, RX Adhikari, VB Adya, C Affeldt, M Agathos, K Agatsuma, N Aggarwal, OD Aguiar, L Aiello, A Ain, P Ajith, G Allen, A Allocca, MA Aloy, PA Altin, A Amato, S Anand, A Ananyeva, SB Anderson et al.
– The Astrophysical Journal
(2019)
883,
149
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Research Group

Relativity and Gravitation

Room

BL.33

Telephone

01223 765317