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    United Kingdom

Accepting PhD Students

1991 …2019
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Personal profile

Interests

Hugo van der Hart was appointed as a Lecturer at Queen's in 1999. He was promoted to Reader in 2006 and to Professor in 2011. He obtained his Ph.D. in 1994 from the University of Amsterdam. He then took up a Marie Curie Fellowship at Queen's, followed by postdoctoral positions at JILA/University of Colorado and the University of Oxford.

Research Interests

His main research interests concern the response of atoms to intense laser light, and the application of B-spline basis sets in atomic physics. He has extensive experience with the R-matrix-Floquet approach for atoms in long laser pulses, including the study of double ionization following two-photon absorption. Since 2006, he has been working on the development of time-dependent methods within R-matrix theory.

The main aim of the development of time-dependent R-matrix methods is the development of capcbility to describe how the interaction between electrons affects the overall atomic dynamics, including the dynamics in an intense laser field. Examples of processes in which a multi-electron response plays a critical role are
- ultra-fast dynamics within an atomic configuration
- harmonic generation in atomic ions such as Ar+

The accurate determination of atomic properties in intense fields requires large-scale atomic codes. Hence, great emphasis is placed on the efficient exploitation of high-performance computing facilities, using both MPI and OpenMP.

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matrix theory Physics & Astronomy
ionization Physics & Astronomy
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harmonic generations Physics & Astronomy
electrons Physics & Astronomy
lasers Physics & Astronomy
photons Physics & Astronomy
time dependence Physics & Astronomy

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Projects 2005 2017

Research Output 1991 2019

Open Access
File
photodetachment
detachment
asymmetry
photoelectrons
pulses
Open Access
File
orbits
pulses
atoms
electrons
photons

The R-matrix with time dependence (RMT) code

Brown, A., Van Der Hart, H., Armstrong, G., Wragg, J., Clarke, D., Gorfinkiel, J., Benda, J. & Masin, Z., 11 Nov 2019

Research output: Non-textual formSoftware

time dependence
lasers
atoms
molecules
ions
3 Citations (Scopus)
Open Access
File
harmonic generations
valence
harmonics
pulses
infrared lasers
1 Citation (Scopus)

On the Cooper minimum in singly ionized and neutral argon

Hassouneh, O., Tyndall, N. B., Wragg, J., Van Der Hart, H. W. & Brown, A. C., 15 Oct 2018, In : Physical Review A (Atomic, Molecular, and Optical Physics). 98, 4, 9 p., 043419.

Research output: Contribution to journalArticle

Open Access
File
harmonic generations
argon
photoionization
atomic structure
cross sections

Prizes

European Union Individual Marie Curie Fellowship

Hugo Van Der Hart (Recipient), Sep 1994

Prize: Fellowship awarded competitively