Toroš, M;
Schut, M;
Andriolo, P;
Bose, S;
Mazumdar, A;
(2025)
Relativistic dips in entangling power of gravity.
Physical Review D
, 111
(3)
, Article 036026. 10.1103/PhysRevD.111.036026.
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Abstract
The salient feature of both classical and quantum gravity is its universal and attractive character. However, less is known about the behavior and build-up of quantum correlations when quantum systems interact via graviton exchange. In this work, we show that quantum correlations can remain strongly suppressed for certain choices of parameters even when considering two adjacent quantum systems in delocalized states. Using the framework of linearized quantum gravity with post-Newtonian contributions, we find that there are special values of delocalization where gravitationally induced entanglement drops to negligible values, albeit nonvanishing. We find a pronounced cancellation point far from the Planck scale, where the system tends toward classicalization. In addition, we show that quantum correlations begin to reemerge for large and tiny delocalizations due to Heisenberg's uncertainty principle and the universal coupling of gravity to the energy-momentum tensor, forming a valley of gravitational entanglement.
| Type: | Article |
|---|---|
| Title: | Relativistic dips in entangling power of gravity |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1103/PhysRevD.111.036026 |
| Publisher version: | https://doi.org/10.1103/physrevd.111.036026 |
| Language: | English |
| Additional information: | Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10206283 |
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