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Journal articles

Stringy Newton gravity with H -flux

Abstract : 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.
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Contributor : Kevin Morand Connect in order to contact the contributor
Submitted on : Wednesday, July 7, 2021 - 2:54:51 AM
Last modification on : Sunday, June 26, 2022 - 3:10:45 AM

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



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