The accidental flatness constraint does not mean a wrong classical limit
arXiv:2111.03166 · doi:10.1088/1361-6382/ac655e
Abstract
We shed some light on the reason why the accidental flatness constraint appears in certain limits of the amplitudes of covariant loop quantum gravity. We show why this constraint is harmless, by displaying how analogous accidental constraints appear in transition amplitudes of simple systems, when certain limits are considered.
6 pages
References in corpus (10)
- LQG vertex with finite Immirzi parameter
- A new spinfoam vertex for quantum gravity
- Effective Spin Foam Models for Four-Dimensional Quantum Gravity
- Complex critical points and curved geometries in four-dimensional Lorentzian spinfoam quantum gravity
- A high-performance code for EPRL spin foam amplitudes
- Discrete gravity dynamics from effective spin foams
- Numerical analysis of spin foam dynamics and the flatness problem
- Addendum: EPRL/FK Asymptotics and the Flatness Problem
- Geometric asymptotics for spin foam lattice gauge gravity on arbitrary triangulations
- Holonomy-flux spinfoam amplitude
Cited by in corpus (6)
- Complex critical points and curved geometries in four-dimensional Lorentzian spinfoam quantum gravity
- How-To compute EPRL spin foam amplitudes
- Summing bulk quantum numbers with Monte Carlo in spin foam theories
- Radiative corrections to the Lorentzian EPRL spin foam propagator
- Spinfoams: Foundations
- A Monte Carlo algorithm for spin foam intertwiners