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Research group Molecular Quantum Dynamics and Spectroscopy (TQDSpec)

The group works on a wide variety of topics involving photo chemistry, coherent control, polaritonic chemistry, ultrafast spectroscopy, and numerical methods related to quantum dynamics.

Molecular Quantum Dynamics and Spectroscopy
Phcln_ais

Group members

Group managers

Markus Kowalewski

Associate Professor

Department of Physics
08-553 786 61
Markus Kowalewski
markus.kowalewski@fysik.su.se
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Members

Zhengjun Wang

Postdoktor

Department of Physics
zhengjun.wang@fysik.su.se
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Berna Arslanoglu

PhD Student

Department of Physics
08-553 787 44
berna.arslanoglu@fysik.su.se
See profile page for Berna Arslanoglu

Lucas Garcia Borges

PHd student

Department of Physics
Lucas Borges
lucas.borges@fysik.su.se
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Thomas Schnappinger

Postdoktor

Department of Physics
08-553 787 22
Thomas Schnappinger
thomas.schnappinger@fysik.su.se
See profile page for Thomas Schnappinger

Lorenzo Restaino

PHD Student

Department of Physics
LR_pic
lorenzo.restaino@fysik.su.se
See profile page for Lorenzo Restaino

Research projects

Polaritonic Chemistry and Light-Matter Materials

In this project we investigate the possibilities to control chemical reactions with confined electric fields from a theorists perspective. By using nano cavities one can create hybrid light-matter states and modify the reactivity of molecules. Our goal is to propose new types of photonic catalysts and to develop new numerical simulations methods.

Polaritonisk kemi och material för ljus och materia - Polaritonic Chemistry and Light-Matter Materia
Ultrafast X-Ray Spectroscopy of Conical Intersections

Modern light sources like free electron lasers and high harmonic generation sources can provide brilliant, broadband and ultrashort pulses of light. This opens up new possibilities to investigate non-adiabatic phenomena in molecules.

Ultrasnabb röntgenspektroskopi av koniska skärningspunkter - Ultrafast X-Ray Spectroscopy of Conical

Publications

News

Department of Physics

Mapping molecular funnels with X-rays: precise timings of non-adiabatic excited state dynamics

Time-resolved spectroscopy is a tool that provides access to the time-scale of chemical reactions as they happen. With the help of ultra-short light pulses, it is possible to observe conformal changes in molecules on the time-scale of the atomic motion and electronic motion. Photochemical reactions, such as the damage of DNA by means of sunlight or the key-step in the process of vision, can thus be observed in great detail.

Model system with 2 electronic states exhibiting a sloped CI
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