Relativistický seminář
Ústavu teoretické fyziky

Seminář se koná v úterý ve 13:10 v posluchárně ÚTF MFF UK
v 10. patře katedrové budovy v Tróji, V Holešovičkách 2, Praha 8

26. března 2019
Static, spherically symmetric vacuum solutions to quadratic gravity
Dr. Alena Pravdová, Dr. Vojtěch Pravda
Department of Algebra, Geometry and Mathematical Physics, Institute of Mathematics, Czech Academy of Sciences
(seminář v angličtině)

We present several classes of static, spherically symmetric vacuum solutions to quadratic gravity. Notably, besides the Schwarzschild black hole, these solutions also contain a static, spherically symmetric black hole with non-trivial Ricci tensor.

2. dubna 2019
Systematic tests of dark matter and modified gravity
Dr. Ivan de Martino
Donostia International Physics Center, Donostia-San Sebastian, Spain
(seminář v angličtině)

The standard cosmological model has been constrained with unprecedented accuracy. Nevertheless, we are facing off new challenges. The lack of detection of Dark Matter and Dark Energy have opened to new paths. On one side, we are entering the "no-WIMP" era. On the other side, explaining the accelerated expansion of the Universe may require an extension of General Relativity. I will review the state of art of the standard cosmology while introducing new tests of both Dark Matter and Modified Gravity. I will introduce a relatively new paradigm for Dark Matter, named Ultra-light axions, and explain how to probe it with the current and forthcoming dataset. Then, I will also show some tests of the standard cosmological model and of modified gravity that near in future may be helpful to constrain/rule out models.

7. května 2019
Dr. Steffen Aksteiner, Prof. Lars Andersson
Max Planck Institute for Gravitational Physics (Albert Einstein Institute), Potsdam/Golm
(seminář v angličtině)

Jiří Bičák                                                                                                  Oldřich Semerák