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Ionization and recombination in strong laser pulses beyond the dipole approximation

About This PhD Project

Project Description

A PhD position at the Faculty of Physics, University of Warsaw, Poland, is available within the project "Ionization and recombination in strong laser pulses beyond the dipole approximation” founded by the National Science Centre (Poland). This is an international project within the Polish-Chinese Funding Initiative. Our partner institution is the Peking University, Beijing, China.

Principal Investigator: Dr habil. Katarzyna Krajewska
Starting date: October 1st, 2019
Duration: 36 months (with possibility of extension)
Eligibility: Students worldwide

Project description:
When a strong laser light shines on an atom or a molecule, the dynamical force exerted by the laser field on the target electrons is comparable to those that bind them inside the target. This can lead to a detachment, or ionization, of electrons. The opposite process is known as laser-assisted radiative recombination. In this process, an electron moving in a laser field is driven by the field to the ionic center. While it recombines, a high-energy photon is emitted. The vast majority of theoretical investigations and our current understanding of both processes rely on the dipole approximation. Within this project, we will develop theoretical models and numerical algorithms for treating ionization and laser-assisted radiative recombination beyond the dipole approximation. We expect qualitatively new features to emerge in both studied processes as a result of more accurate treatments of strong laser pulses.

Our offer:
You will play a key role in an ambitious project in an inspiring and stimulating international work environment. We provide excellent mentorship and a stimulating research environment, with world-class research facility. We offer you a PhD position for three years (with a possibility of extension), starting on October 1st, 2019. During that time, you will follow a high-quality educational program at the Faculty of Physics, University of Warsaw, Poland. You will also visit the Peking University, Beijing, China, and attend international conferences and workshops. Your research will result in a PhD thesis.

Your profile:
You have a MSc in physics or related fields. You have a background in quantum mechanics. You have strong communication skills, including fluency in written and spoken English. You are highly motivated to do a PhD in our group. Programming experience is a plus.

How to apply:
Applicants are encouraged to apply by e-mail to Dr habil. Katarzyna Krajewska () who is the Principal Investigator (PI) of the project by September 3rd, 2019.

Applications should include the following documents:
- A motivation letter describing why you want to apply for this position.
- A detailed CV, including the information about your scientific activities and achievements.
- List of publications and conference presentations.
- Copies of your diplomas.
- Signed and scanned copy of “Information on the processing of personal data”, to be downloaded from:

After the positive evaluation, the candidates will have to be accepted into the Doctoral School of Exact and Natural Sciences at the University of Warsaw, Poland. For details, please visit:

Candidates who are selected for interviews will be contacted individually.

Please feel free to contact Dr habil. Katarzyna Krajewska with your inquiries.

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