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A Weak Gravity Conjecture for Scalar Field Theories

Miao Li, Wei Song, Yushu Song, Tower Wang

hep-tharXiv:hep-th/0606011

Abstract

We show that the recently proposed weak gravity conjectureAMNV0601 can be extended to a class of scalar field theories. Taking gravity into account, we find an upper bound on the gravity interaction strength, expressed in terms of scalar coupling parameters. This conjecture is supported by some two-dimensional models and noncommutative field theories.

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