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Article Dans Une Revue Physical Review D Année : 2020

Stringy Newton gravity with H -flux

Résumé

A symmetry principle has been shown to augment unambiguously the Einstein field equations, promoting the whole closed-string massless NS-NS sector to stringy graviton fields. Here we consider its weak field approximation, take a nonrelativistic limit, and derive the stringy augmentation of Newton gravity: ∇2Φ=4πGρ+H⋅H, ∇⋅H=0, ∇×H=4πGK. Not only the mass density ρ but also the current density K is intrinsic to matter. Sourcing H which is of NS-NS H-flux origin, K is nontrivial if the matter is “stringy.” H contributes quadratically to the Newton potential, but otherwise is decoupled from the point particle dynamics, i.e., ¨x=−∇Φ. We define “stringization” analogous to magnetization and discuss regular as well as monopolelike singular solutions.

Dates et versions

hal-03280017 , version 1 (07-07-2021)

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Kyoungho Cho, Kevin Morand, Jeong-Hyuck Park. Stringy Newton gravity with H -flux. Physical Review D, 2020, 101 (6), pp.064020. ⟨10.1103/PhysRevD.101.064020⟩. ⟨hal-03280017⟩
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