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48 papers
A First Analysis of Stochastic Composite Gravity
Joshua Erlich
We present a first analysis of a nonperturbative approach to quantum gravity based on a representation of quantum field theory in terms of stochastic processes. The stochastic desc…
Background-Independent Composite Gravity
Austin J. Batz, Joshua Erlich, Luke Mrini
We explore a background-independent theory of composite gravity. The vacuum expectation value of the composite metric satisfies Einstein's equations (with corrections) as a consist…
Composite gravity from a metric-independent theory of fermions
Christopher D. Carone, Joshua Erlich, Diana Vaman
We present a metric-independent, diffeomorphism-invariant model with interacting fermions that contains a massless composite graviton in its spectrum. The model is motivated by the…
Stochastic Emergent Quantum Gravity
Joshua Erlich
We present a stochastic framework for emergent quantum gravity coupled to matter. The Hamiltonian constraint in diffeomorphism-invariant theories demands the identification of a cl…
Curved Backgrounds in Emergent Gravity
Shikha Chaurasia, Joshua Erlich, Yiyu Zhou
Field theories that are generally covariant but nongravitational at tree level typically give rise to an emergent gravitational interaction whose strength depends on a physical reg…
Emergent Gravity from Vanishing Energy-Momentum Tensor
Christopher D. Carone, Joshua Erlich, Diana Vaman
A constraint of vanishing energy-momentum tensor is motivated by a variety of perspectives on quantum gravity. We demonstrate in a concrete example how this constraint leads to a m…