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Institute for Theoretical Physics

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Image: A. Sternbeck

The Institute for Theoretical Physics (TPI) is part of the Faculty of Physics and Astronomy of the Friedrich Schiller University Jena. Its main research focus lies on Quantum Field Theory and General Relativity as well as their mutual interplay.

Quantum Field Theories are of great significance for our understanding of the fundamental interactions of Nature at microscopic length scales. Moreover, Quantum Field Theory provides a useful tool-set for the study of phase transitions and dynamics in many-body system and has gained increasing relevance in applied fields like micro and nano-technology.

The dominant force at large distance scales in our Universe is the gravitational force, as it is formulated by the gravitational theory based on Einstein's General Relativity. Moreover, this theory describes small distortions of space-time, which propagate through space as so-called gravitational waves. The study of such waves gives rise to gravitational-wave astronomy.

In recent years, Quantum Gravity has been established as a third pillar of the TPI. The aim of this research direction is to understand both Quantum Field Theory and General Relativity as limits of one single fundamental theory. One particular approach is given by the so-called Holographic Principle, a very active research area, which over the last two decades has provided various fascinating insights into the quantum nature of Black Holes and space-time, as well as the dynamics of strongly interacting quantum fields.

Spiral Dance of Black Holes
Gravitational waves
Gravitational waves are a fascinating consequence of ...
Sombrero Galaxy
Relativistic Astrophysics
Relativistic Astrophysics deals with stars and ...
gaussian beam worldline
Quantum Vacuum Phenomena
The Quantum vacuum is the ground state of our ...
Minkowski tube
Holographic Duality
Fascinating insights into the quantum nature of Black Holes
Particles and Quantum fields
Quantum Fields
Particles, Symmetries and phase transitions ..
Atomic theory group (HI)
Relativistic Quantum Dynamics of Ions and Beams
Quantum mechanics and gravity
Freigeist Fellowship
We study effects of gravitational decoherence in quantum systems
Emmy Noether junior research group
We investigate a microscopic description of space-time
Insights into strong interactions beyond the standard model

Latest News

Logo FNR 2022
FNR 2022
In the history of numerical (or computational) general relativity, the "Frontiers" meeting in 1988 at the University of Illinois, Urbana-Champaign (USA), played a pivotal role in establishing numerical relativity as a major topic in computational physics and simulation science.
The goal of "Frontiers 2022" is to assess the state-of-the-art and point out future directions of numerical relativity in light of the breakthroughs in observations of gravitational waves and astrophysical counterparts.

How to reach us

Institute for Theoretical Physics
Opening hours:
Monday to Friday 7am - 7pm
Postal address:
Friedrich-Schiller-University Jena
Institute for Theoretical Physics
Max-Wien-Platz 1
07743 Jena