Weak gravity conjecture
Daniel Harlow, Ben Heidenreich, Matthew Reece, Tom Rudelius
Abstract
The weak gravity conjecture, at the simplest level stating that ``gravity is the weakest force,'' has motivated many recent works aiming to understand quantum gravity and to put constraints on field theories that can be coupled to quantum gravity, including the one describing the real world. This review surveys the motivation, historical development, and recent advances related to this conjecture.
Topics & Concepts
PhysicsQuantum gravityHořava–Lifshitz gravityConjectureTheoretical physicsEuclidean quantum gravitySemiclassical gravityEntropic gravitySpin foamClassical mechanicsLoop quantum gravityQuantumQuantum mechanicsPure mathematicsQuantum dynamicsQuantum processMathematicsCosmology and Gravitation TheoriesBlack Holes and Theoretical PhysicsNoncommutative and Quantum Gravity Theories