✉news SciencePhysics first seen 8 h ago, last 4 h ago, peak #7
Graviton modes survive on the lattice
Physics World reports that graviton modes survive on the lattice, according to a new study in lattice approaches to quantum gravity. The finding suggests that gravitational degrees of freedom persist even when spacetime is modelled as a discrete lattice, a result relevant to attempts to quantise gravity non-perturbatively. Physicists are weighing what this means for theories that predicted such modes might be washed out by discretisation.
Why now: A new physics result on gravitons surviving lattice discretisation challenges expectations in quantum gravity research.
Physics Worldgravitonslattice quantum gravity
Evidence
- Graviton modes survive on the lattice · Physics World
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