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Faculty of Mathematics

 

I'm a theoretical physicist, working at the interface between cosmology, high-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 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

Search for gravitational-wave transients associated with magnetar bursts in Advanced LIGO and Advanced Virgo data from the third observing run
TLIGOS Collaboration, TV Collaboration, TKAGRA Collaboration, R Abbott, H Abe, F Acernese, K Ackley, N Adhikari, RX Adhikari, VK Adkins, VB Adya, C Affeldt, D Agarwal, M Agathos, K Agatsuma, N Aggarwal, OD Aguiar, L Aiello, A Ain, P Ajith, T Akutsu, S Albanesi, RA Alfaidi, A Allocca, PA Altin et al.
(2022)
Search for gravitational waves from Scorpius X-1 with a hidden Markov model in O3 LIGO data
R Abbott, H Abe, F Acernese, K Ackley, N Adhikari, RX Adhikari, VK Adkins, VB Adya, C Affeldt, D Agarwal, M Agathos, K Agatsuma, N Aggarwal, OD Aguiar, L Aiello, A Ain, P Ajith, T Akutsu, S Albanesi, RA Alfaidi, A Allocca, PA Altin, A Amato, C Anand, S Anand et al.
– Physical Review D
(2022)
106,
062002
Model-based cross-correlation search for gravitational waves from the low-mass X-ray binary Scorpius X-1 in LIGO O3 data
The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration, R Abbott, H Abe, F Acernese, K Ackley, S Adhicary, N Adhikari, RX Adhikari, VK Adkins, VB Adya, C Affeldt, D Agarwal, M Agathos, OD Aguiar, L Aiello, A Ain, P Ajith, T Akutsu, S Albanesi, RA Alfaidi, C Alléné, A Allocca, PA Altin et al.
(2022)
Search for continuous gravitational wave emission from the Milky Way center in O3 LIGO-Virgo data
R Abbott, H Abe, F Acernese, K Ackley, N Adhikari, RX Adhikari, VK Adkins, VB Adya, C Affeldt, D Agarwal, M Agathos, K Agatsuma, N Aggarwal, OD Aguiar, L Aiello, A Ain, P Ajith, T Akutsu, S Albanesi, RA Alfaidi, A Allocca, PA Altin, A Amato, C Anand, S Anand et al.
– Physical Review D
(2022)
106,
042003
Searches for Gravitational Waves from Known Pulsars at Two Harmonics in the Second and Third LIGO-Virgo Observing Runs
R Abbott, H Abe, F Acernese, K Ackley, N Adhikari, RX Adhikari, VK Adkins, VB Adya, C Affeldt, D Agarwal, M Agathos, K Agatsuma, N Aggarwal, OD Aguiar, L Aiello, A Ain, P Ajith, T Akutsu, S Albanesi, RA Alfaidi, A Allocca, PA Altin, A Amato, C Anand, S Anand et al.
– Astrophysical Journal
(2022)
935,
1
Search for Subsolar-Mass Binaries in the First Half of Advanced LIGO's and Advanced Virgo's Third Observing Run.
R Abbott, TD Abbott, F Acernese, K Ackley, C Adams, N Adhikari, RX Adhikari, VB Adya, C Affeldt, D Agarwal, M Agathos, K Agatsuma, N Aggarwal, OD Aguiar, L Aiello, A Ain, P Ajith, S Albanesi, A Allocca, PA Altin, A Amato, C Anand, S Anand, A Ananyeva, SB Anderson et al.
– Phys Rev Lett
(2022)
129,
061104
Targeted search for the kinematic dipole of the gravitational-wave background
AK-W Chung, AC Jenkins, JD Romano, M Sakellariadou
(2022)
Gravitational-wave event rates as a new probe for dark matter microphysics
MR Mosbech, AC Jenkins, S Bose, C Boehm, M Sakellariadou, YYY Wong
(2022)
New horizons for fundamental physics with LISA
KG Arun, E Belgacem, R Benkel, L Bernard, E Berti, G Bertone, M Besancon, D Blas, CG Böhmer, R Brito, G Calcagni, A Cardenas-Avendaño, K Clough, M Crisostomi, V De Luca, D Doneva, S Escoffier, JM Ezquiaga, PG Ferreira, P Fleury, S Foffa, G Franciolini, N Frusciante, J García-Bellido, C Herdeiro et al.
– Living Reviews in Relativity
(2022)
25,
4
CLASS_GWB: Robust modeling of the astrophysical gravitational wave background anisotropies
N Bellomo, D Bertacca, AC Jenkins, S Matarrese, A Raccanelli, T Regimbau, A Ricciardone, M Sakellariadou
– Journal of Cosmology and Astroparticle Physics
(2022)
2022,
030
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Research Group

Relativity and Gravitation

Room

BL.33

Telephone

01223 765317