A semiclassical tetrahedron
Carlo Rovelli, Simone Speziale

TL;DR
This paper develops a semiclassical state for a quantum tetrahedron, where geometric quantities like volume and angles are sharply peaked around classical values, bridging quantum and classical descriptions.
Contribution
It introduces a macroscopic semiclassical state for a quantum tetrahedron with precise geometric expectation values and minimal uncertainties.
Findings
Geometric operators' expectation values match classical tetrahedron values.
Uncertainties in geometric measurements are negligible.
The state provides a bridge between quantum and classical geometry.
Abstract
We construct a macroscopic semiclassical state state for a quantum tetrahedron. The expectation values of the geometrical operators representing the volume, areas and dihedral angles are peaked around assigned classical values, with vanishing relative uncertainties.
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