Overview of the Laboratory
Located in Riga, the Theoretical Physics Laboratory is part of the Institute of Atomic Physics and Spectroscopy at the University of Latvia. With a long-standing tradition in advanced theoretical research, the laboratory is known internationally for its contributions in atomic physics, including work on atoms in strong electromagnetic fields, multiphoton ionization, and quantum models.
- Mailing Address:
Institute of Atomic Physics and Spectroscopy
University of Latvia
Riga, Latvia
- Contact Details:
Phone and fax information available upon request.
Research Focus
The laboratory conducts in-depth studies in:
- Atomic behavior in intense electromagnetic environments
- Multiphoton ionization and nonlinear dynamics
- Free-free transitions, harmonic generation
- Solitons and nonlinear equations
- Interactions with short, intense electric pulses
- Spectral deformation in external fields
The work is based on both quantum mechanical and semiclassical methodologies.
A Historical Timeline
Founded in the mid-20th century as part of the national physics institute, the laboratory quickly became prominent in the field of theoretical
atomic physics. It was internationally recognized under the name “Riga group” for its pioneering studies.
Milestones include:
- Awarded a major national science prize for foundational work in electron-atom collision theory
- Among the first researchers to publish key results on threshold laws and close-coupling approaches
- Successfully hosted multiple international atomic physics conferences in Riga
- Eventually integrated into the University of Latvia during a nationwide reorganization of science institutions
Collaborations and Expertise
The team consists of experienced theorists with specialties in Rydberg atom behavior, wave packet dynamics, and precision atomic modeling. Collaborations with computational physics groups have played a crucial role in enabling detailed simulations and theoretical advancements.
Scientific Contributions
The laboratory continues to publish in leading scientific journals. Research areas include:
- Above-threshold ionization in excited hydrogen atoms
- Wave packet revival phenomena in strong-field conditions
- Theoretical modeling of atoms exposed to short-duration electric fields
- Semiclassical approaches to energy level shifts and transitions
Research Projects
The laboratory has contributed to several national and international projects focusing on:
- Quantum and semiclassical modeling of multiphoton processes
- Optical interactions in plasma and biological systems
- Spectroscopic studies in strong laser fields in collaboration with international partners
Continuing Legacy
The Theoretical Physics Laboratory stands as a cornerstone of atomic theory research in Latvia. With a foundation built on academic integrity and a commitment to pure science, the lab continues to push boundaries in understanding atomic interactions, wave phenomena, and quantum dynamics.
