**Collection Number**C17010

**Collection Date**-

**Collection Type**Course

PSI 2016/2017 - Explorations in Quantum Gravity (Dupuis)

## PSI 2016/2017 - Explorations in Quantum Gravity - Lecture 15

Maite Dupuis
Perimeter Institute for Theoretical Physics

Invited speakers: Wolfgang Wieland, Marc Geiller, Bianca Dittrich, Laurent Freidel.

## PSI 2016/2017 - Explorations in Quantum Gravity - Lecture 14

Maite Dupuis
Perimeter Institute for Theoretical Physics

Spinfoam approach.

## PSI 2016/2017 - Explorations in Quantum Gravity - Lecture 13

Maite Dupuis
Perimeter Institute for Theoretical Physics

4D Loop Quantum Gravity.

## PSI 2016/2017 - Explorations in Quantum Gravity - Lecture 12

Maite Dupuis
Perimeter Institute for Theoretical Physics

Spinnetwork states - Flatness constraint - Physical state.

## PSI 2016/2017 - Explorations in Quantum Gravity - Lecture 11

Maite Dupuis
Perimeter Institute for Theoretical Physics

Gauss constraint - Intertwiners

## PSI 2016/2017 - Explorations in Quantum Gravity - Lecture 10

Maite Dupuis
Perimeter Institute for Theoretical Physics

Length operator - Introduction to Loop Quantum Cosmology (video by Aurélien Barrau).

## PSI 2016/2017 - Explorations in Quantum Gravity - Lecture 9

Maite Dupuis
Perimeter Institute for Theoretical Physics

Quantization of one edge (subsystem).

## PSI 2016/2017 - Explorations in Quantum Gravity - Lecture 8

Maite Dupuis
Perimeter Institute for Theoretical Physics

The flux variables - The holonomy-flux algebra.

## PSI 2016/2017 - Explorations in Quantum Gravity - Lecture 7

Maite Dupuis
Perimeter Institute for Theoretical Physics

1st step of the Dirac program applied to the first order action for 3D gravity, choice of the basic variables: holonomies.

## PSI 2016/2017 - Explorations in Quantum Gravity - Lecture 6

Maite Dupuis
Perimeter Institute for Theoretical Physics

Interpretation of the constraints and symmetries of the first order action for 3D gravity - Constraint algebra - The Dirac program applied to the parametrized particle.