[BHEF] Entanglement flows in open systems and black holes
Ente: EC
Scadenza: 2029-08-31
Importo max: 260.348 EUR
Paese: EU
Descrizione
Black holes are some of the most fascinating astrophysical objects in the universe. Since they bend space and time in extreme ways, they also serve as powerful theoretical laboratories for testing our understanding of theories of quantum gravity such as string theory.
As black holes evolve, they emit Hawking radiation into their surroundings, behaving like open quantum systems with non-trivial quantum entanglement between system and environment. By studying the evolution of entanglement measures, namely entanglement entropy, in open systems, this project will offer deeper insights into black hole entropy and quantum gravity. This forms the core of the project ``Entanglement flows in open systems and black holes'', supported by the Marie Skłodowska-Curie Actions programme.
The entanglement structure of open quantum systems and its link to black hole entropy is largely unexplored. Building on quantum gravity and string theory, this research will pursue the following objectives.
1. Develop a formalism for studying entanglement in time-dependent open quantum systems, generalizing the correlation matrix method to out-of-equilibrium states. By analyzing the eigenspectrum, the framework will capture the entanglement dynamics of the system.
2. Validate the framework on quantum mechanical models (e.g. Caldeira–Leggett models), and then generalize it to quantum and conformal field theories, as well as holographic systems using the gravitational Schwinger–Keldysh approach.
3. Relate the quantum corrections to black hole entropy—obtained from quasinormal modes (QNMs)—to the dynamics of open quantum systems. This is done by expressing the partition function in complex mode frequencies, which reveals how information is encoded in gravitational systems and how bulk gravitational entropy appears through QNMs.
Through this research, the applicant will develop technical, interdisciplinary, leadership skills, greatly boosting his career potential as an independent researcher.
Settori: Horizon Europe Topics
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