Theory of Controlled Quantum Systems

We are a theoretical physics research group based at Trinity College Dublin. Our research interfaces open quantum systems, non-equilibrium statistical physics, and quantum information.

ToCQS group, August 2024, taken at Birr castle.


News

13 September 2024

Saulo’s first paper as last author, titled ‘Entanglement signature in quantum work statistics in the slow-driving regime’ is published in Physical Review Research. Congratulations, Saulo!

10 July 2024

The group organised and participated in the ASPECTS Hackathon, a 3-day event where small teams solved challenges posed by quantum computing companies, culminating in a public exhibition. Check out the results here!

2 April 2024

Our tutorial on current fluctuations and full counting statistics is published in PRX Quantum!

1 April 2024

Dr. Hari Kumar Yadalam joins the ToCQS group as a post-doctoral researcher. Welcome Hari!

6 February 2024

Sindre kicks-off with his work, ‘Thermometry by correlated dephasing of impurities in a one-dimensional Fermi gas,’ published in Physical Review A. Congratulations, Sindre!

26 January 2024

Alessandro’s debut work, ‘Calculating the many-body density of states on a digital quantum computer,’ has been published in Physical Review Research. Congratulations, Ale!

11 September 2023

Peter is awarded the prestigious fellowship by the Irish Research Council (IRC.) Congratulations on this achievement Peter!

7 September 2023

We organized the "Time in Quantum Theory (TiQT) 2023" conference in Westport, Ireland. Thanks to all the participants for their contributions.

1 April 2023

Dr. Saulo Moreira joins the group as a Postdoctoral Researcher. Saulo works on the ASPECTS project. Welcome Saulo!

30 January 2023

Alessandro participated in iQuHACK, a 24-hour Hackathon organized by MIT. They created a package to generate different kinds of random states from an IBM quantum computer through Covalent (a platform to manage workflows.)

28 November 2022

PhD candidate Alessandro Summer is now officially a member of the ToCQS group. Alessandro is working on algorithms for computing thermodynamic quantities on noisy quantum hardware. Welcome Ale!

1 November 2022

PhD candidate Khalak Mahadeviya joins the ToCQS group. She will work on the ASPECTS project, aiming to design electronic devices that harness quantum coherence to enhance precision. Welcome Khalak!

1 November 2022

The EU’s Quantum Flagship comes to Ireland! Mark is announced as the coordinator of the €2.9M EU project ASPECTS, which aims to design and build electronic measuring devices that exploit quantum effects to boost energy efficiency.

1 October 2022

Mark is awarded a Royal Society-SFI University Research Fellowship! This prestigious fellowship supports Mark in his research on thermodynamics of precision in quantum measurement and control.

1 September 2022

Peter O’Donovan joins the ToCQS group as a PhD candidate. Peter works on topics related to chaos and eigenstate thermalisation. Welcome Peter!

19 July 2022

Mark appears on the podcast Thirty, Flirty & Perishing for a humorous chat about space, time, black holes, and the James Webb Space Telescope. It was great fun even though astrophysics isn’t Mark’s strong suit!

9 May 2022

Our work is featured in Physics World! We discovered symmetry-protected edge currents in quantum systems far from equilibrium, even without topological band structures. Check out the paper in Physical Review Letter for details.

11 March 2022

Mark joins the editorial board at Quantum! Quantum is a non-profit and community-run journal: an effort by researchers and for researchers to make science more open and publishing more transparent and efficient. Please keep sending us your top-quality work!

1 March 2022

PhD candidate Sindre Brattegard joins the ToCQS group. Sindre will work on impurities and quantum thermometry in ultracold Fermi gases. Welcome Sindre!

9 September 2021

Our work on feedback-controlled quantum battery charging is featured in Nature Physics News & Views!

30 July 2021

Our work on quantum batteries is published as the 500th paper in Quantum!