Can I read The Spacetime Picture in Quantum Gravity on EtoBox?

The Spacetime Picture in Quantum Gravity by Ascárate, Alejandro is a scholarly article available to read on EtoBox.

What is The Spacetime Picture in Quantum Gravity about?

We propose an approach which, by combining insights from Loop Quantum Gravity (LQG), Topos theory, Non-commutative Geometry \`a la Connes, and spacetime relationalism, provides fertile ground for the search of an adequate spacetime picture in Quantum Gravity. With this approach, we obtain a novel way of deducing the quantization of the possible values for the area of a surface. One gets the same area values than those from the area operator in standard LQG, but our approach makes a further prediction: some smaller values and sub-divisions are also allowed. In addition, the area arises as a noncommutative distance between two noncommutative points, and thus they should be interpreted as irreducible string-like objects at the physical level (where the area interpretation for the noncommutative distance holds).

Author

Ascárate, Alejandro

Published

2020

Language

EN