Fermion-antifermion pairs in Bonnor-Melvin magnetic space-time with non-zero cosmological constant

Abstract

We study the relativistic dynamics of fermion-antifermion pairs in the Bonnor-Melvin magnetic (BMM) spacetime in non-zero cosmology. We focus on the $(1+2)$-dimensional cylindrically symmetric BMM-spacetime background. Within the context of such a magnetized universe, we rigorously investigate the fully-covariant two-body Dirac equation. We derive the corresponding radial part of the equation and obtain an exact closed form analytical solution for the problem at hand. Moreover, we report some intriguing parallels with relativistic and non-relativistic quantum oscillators in flat spaces. Notably, our findings suggest a compelling correlation between the cosmological constant and the energy spectrum of fermion-antifermion systems, hinting at profound connections between quantum realms and cosmology.

8 pages, 1 figure

References in corpus (2)

• Relativistic Landau levels for a fermion-antifermion pair interacting through Dirac oscillator interaction
• Bonnor-Melvin universe with a cosmological constant

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