The Coupling of Gravity to Spin and Electromagnetism
Felix Finster, Joel Smoller, and Shing-Tung Yau
TL;DR
This paper investigates stable soliton-like solutions in a system coupling gravity, spin, and electromagnetism, highlighting gravity's regularizing effect through a Feynman diagram perspective.
Contribution
It presents the existence of stable solutions in Einstein-Dirac-Maxwell equations for a two-fermion system, emphasizing gravity's role in regularization.
Findings
Existence of stable soliton-like solutions.
Gravity has a regularizing effect.
Analysis from a Feynman diagram perspective.
Abstract
The coupled Einstein-Dirac-Maxwell equations are considered for a static, spherically symmetric system of two fermions in a singlet spinor state. Stable soliton-like solutions are shown to exist, and we discuss the regularizing effect of gravity from a Feynman diagram point of view.
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