| Full text | |
| Author(s): |
Machado, L. N.
;
Costa, H. A. S.
;
da Paz, I. G.
;
Sampaio, Marcos
;
Araujo, Jonas B.
Total Authors: 5
|
| Document type: | Journal article |
| Source: | PHYSICAL REVIEW D; v. 98, n. 12, p. 12-pg., 2018-12-17. |
| Abstract | |
We evaluate the effect of quantum electrodynamics on the correlations between Dirac field modes corresponding electron-positron pairs of opposite momenta generated by expansion of an asymptotically flat Friedmann-Robertson-Walker (FRW) universe. The mutual information of out-going electron-positron pairs is evaluated to leading order in the coupling strength and compared with the free case. It is shown a decrease in the mutual information between the electron and positron. In addition, it is found that the change in the electron-positron mutual information depends on how the momentum is distributed between the positron and photon modes. (AU) | |
| FAPESP's process: | 18/05948-6 - Perturbative and nonperturbative aspects of quantum field theory and relativistic quantum information |
| Grantee: | Marcos Donizeti Rodrigues Sampaio |
| Support Opportunities: | Scholarships abroad - Research |