New Postgraduate Project Available

Posted November 24, 2017 by Ian Stewart

A new project proposal for PhD study in the Centre for Theoretical Atomic Molecular and Optical Physics (CTAMOP) have now been made available through the centre’s website. The closing date is 15th December 2017.

Full details of the project can be found in the postgraduate studies section of the website and from there applications can be submitted online. We are happy to receive applications from all interested parties.

If you would like to discuss a project with a potential supervisor, contact details can be found in the project descriptions. For general queries about PhD study, please contact Prof. Mauro Paternostro.

Two new Doctors from CTAMOP

Posted November 20, 2017 by Andrew Brown

Two CTAMOP PhD students have successfully navigated their PhD vivas.

Michael Turkington, who has been working with Connor Ballance on heavy species R-matrix calculations in support of fusion diagnostics defended his thesis on 30th October. Dr. Martin O’Mullane from the University of Strathclyde was the external examiner.

Ruari McCloskey returned to the department from his job at Allstate insurance on 17th November to defend his thesis on dynamic and logical irreversibility in open quantum systems. Ruari was co-supervised by Mauro Paternostro, Alessandro Ferraro, and Gabriele De Chiara, and was examined by Dr. Bassano Vacchini from Milan University.

Congratulations to both Michael and Ruari and their supervisory teams.

Back-to-back(!) PRLs for CTAMOP researcher Dermot Green

Posted by Andrew Brown

Two papers from EPSRC Fellow and CTAMOP member Dermot Green have appeared back-to-back in the highly prestigious pages of Physical Review Letters.

The papers Phys. Rev. Lett. 119, 203403 (2017) and Phys. Rev. Lett. 119, 203404 (2017) describe the processes of positron cooling and annihilation in room-temperature noble gases, simulated using accurate positron-atom data calculated with the many-body theory developed by the Antimatter and Atomic Many-Body Theory Group at QUB.

The work has enabled the first simultaneous probing of the energy dependence of the positron scattering cross sections, annihilation rates and annihilation gamma spectra, has yielded the best description of long-standing experimental results to date, and has resolved outstanding “puzzles” in the field: e.g., establishing that the significant discrepancy between gas-cell and trap-based measurements of the “thermal” positron annihilation rate in Xenon is a result of the rapid annihilation of low-energy positrons leading to a quasi-steady-state positron momentum distribution that differs from the Maxwell-Boltzmann one.

John Bell Lecture 2017

Posted October 26, 2017 by Andrew Brown

John Bell Day 2017 will take place on Monday 6th November. The anniversary of the publication of Bell’s ground breaking theorem is marked by a public lecture, which is hosted this year by the Chief Executives’ Club at Queen’s and the Royal Irish Academy. The event will take place at Riddel Hall, Queen’s University Belfast, on Monday 6 November 2017, from 5.30pm.

The guest speaker will be Professor Antonio Acín, Group Leader of Quantum Information Theory, at the Institute of Photonic Sciences, based in Barcelona. He will explore the impact from John Stewart Bell’s work and the advances now being made in quantum computing, in an address entitled: ‘Quantum Information and Communication: The Legacy of John Bell’.

John Stewart Bell, a Belfast scientist and Queen’s graduate, who worked at CERN, made one of the most profound discoveries of science. ‘Bell’s Theorem’ resolved a decades old dispute involving Albert Einstein and showed that Einstein’s views on quantum mechanics were incorrect. Bell’s work laid the foundation for quantum information technology which will revolutionise the world of computing, particularly in the areas of financial services and cyber security.

As information devices, such as smart phones become smaller and smaller, Professor Acín and his team are working at the cutting edge of Quantum Information Theory to explore the possibilities and limitations that Quantum Physics may offer for future developments.

Professor Sally Wheeler, interim Pro-Vice-Chancellor for Research and Enterprise at Queen’s and Senior Vice-President of the Royal Irish Academy will give the welcome address and introduce the guest speaker.

Pre-lecture refreshments will be available from 5.30pm, and the talks will begin at 6pm.

To secure a place please email brenda.carabine@qub.ac.uk.

Bell Lecture 2017

CTAMOP welcomes new Post-Doctoral researcher

Posted September 18, 2017 by Andrew Brown

Gregory Armstrong

A warm welcome (back) to Dr. Gregory Armstrong, who joins CTAMOP on a two year contract this week.

Gregory will be working in the intense laser matter area with Prof. Hugo van der Hart and Dr. Andrew Brown on the EPSRC-funded Software Flagship project: ‘R-matrix suites for multielectron attosecond dynamics in atoms and molecules irradiated by arbitrarily polarised light’ (or R-MADAM for short).

Gregory completed his PhD in CTAMOP under the supervision of Prof. Ken Taylor, before heading to the USA for two post-doc appointments: firstly in the Los Alamos National Lab, and then Kansas State University.

International prize awarded to Dermot Green

Posted August 15, 2017 by Andrew Brown

CTAMOP member and EPSRC Fellow Dermot Green was awarded the 2017 ICPEAC ‘Sheldon Datz prize’ for Outstanding Young Scientist attending ICPEAC (International Conference on Photonic, Electronic and Atomic Collisions) one of the two flagship international conferences in atomic physics.

The prize recognises Dermot’s leading work developing many-body theory of positron and positronium interactions with atoms and molecules. It was awarded following nomination and selection by the ICPEAC international committee prior to the recent conference in Cairns, Australia. Dermot received the award from the ICPEAC International Chair Hossein Sadeghpour (ITAMP, Harvard) in the ‘Sheldon Datz prize’ plenary session of the conference, where he presented a special report on his work.

CTAMOP welcomes new member

Posted July 26, 2017 by Andrew Brown

b8adde7332b889d75bde38a9a1ae6621 We would like to welcome Dr. Luis Fernández Menchero, a new post-doctoral fellow to the CTAMOP community.

Luis will be working closely with Dr. Cathy Ramsbottom and Dr. Connor Ballance to develop and extend fundamental collisional methods and integrate them with collisional-radiative models of astrophysical significance.

This post is funded through the consolidated STFC astrophysical grant.

Computer time allocation

Posted by Andrew Brown

Under a collaborative proposal (HZAD) between the University of Strathclyde and Queen’s University (Dr Cathy Ramsbottom, Dr Connor Ballance) a bid for over 15,000 million CPU hrs has been granted under the EUROfusion program.

The grant will allow group members access to a Lenovo NeXtSscale supercomputer called ‘Marconi’ capable of 20 PFlop/s and also to emerging multi-core platforms such as Intel’s second generation Xeon-Phi processor (KNL) capable of up to 272 threads per core.

CTAMOP poster competition success

Posted June 8, 2017 by Andrew Brown

CTAMOP poster

CTAMOP’s PhD students have seen success in the 3rd Annual Researcher Postercompetition held this week at the Graduate School. Christine Cartwright, Kathryn Hamilton, Luca Innocenti, Helena Majury, Darren Moore, Brendan Reid, Andrew Swann and Michael Turkington all contributed to the poster, to reflect the diverse range of research present in CTAMOP.

The poster was awarded the “Creativity and Innovation in Presentation” award across all Faculties.

Researchers from across the university exhibited their work at the competition, with the brief being to ‘communicate research to a varied, non-expert audience’. Given the fundamental and complex nature of the research exhibited by our students, this is a great achievement!

Congratulations to all involved.

Post Doctoral Research Fellow position in CTAMOP

Posted June 7, 2017 by Andrew Brown

A new job opening for a Post-doctoral Research Fellow has been listed online

The position is a permanent, two-year contract to work with Prof. Hugo van der Hart and Dr. Andrew Brown on the expansion of the world-leading R-matrix with time-dependence code suite, and will involve a strong collaborative element with project partners at the Open University, Max-Born Institut Berlin, and the Science and Technology Facilities Council.

The position is funded by the EPSRC funded Software Flagship project “R-matrix suites for multielectron attosecond dynamics in atoms and molecules irradiated by arbitrarily polarised light”

All details can be found online:here. Any additional queries can be sent to Prof. van der Hart

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About CTAMOP:

We are a Research Cluster of the School of Mathematics and Physics at Queen’s University Belfast in Northern Ireland. Our research interests are focused primarily on computational and theoretical physics.

Old Physics Building

The Old Physics Building,
where CTAMOP is situated.