Astrophysics, Gravitation and Cosmology Seminar - Alexandru Dima (UIUC) "Testing screened modified gravity with Neutron Stars"
- Event Type
- Seminar/Symposium
- Sponsor
- Department of Physics
- Virtual
- Date
- Mar 23, 2022 12:00 pm
- Speaker
- Alexandru Dima (UIUC)
- Contact
- Brandy Koebbe
- bkoebbe@illinois.edu
- Views
- 46
- Originating Calendar
- Physics - Astrophysics, Relativity, and Cosmology Seminar
Scalar-tensor models of gravity can avoid standard fifth-force searches when they feature appropriate screening mechanisms. In the context of highly-relativistic Neutron Stars, however, such mechanisms can fail and lead to potentially observable effects.
In this talk I will focus on "symmetron screening", review the typical signatures of a scalar field coupled to an isolated star and discuss the possible implications for binary systems.