Tags » Loop Quantum Gravity

The Spinfoam Framework for Quantum Gravity by Livine

This post looks at  the part of Livine’s  great PhD thesis about the quantum tetrahedron.

Below is a table from this thesis looking at the types of structures found in… 440 more words

Loop Quantum Gravity

Science Is Not About Certainty

The separation of science and the humanities is relatively new—and detrimental to both

By Carlo Rovelli.  Excerpted from The Universe: Leading Scientists Explore the Origin, Mysteries, and Future of the Cosmos.  525 more words

Art

Spin-Foams for All Loop Quantum Gravity by Kaminski ,Kisielowski and Lewandowski

This week I return more directly to work connected to the Hamiltonian constraint operator and look at an important paper on the spin-foam formalism.

In this paper the simplicial framework of Engle-Pereira- 1,172 more words

Quantum Tetrahedron Papers

Learning about Quantum Gravity with a Couple of Nodes by Boria, Garay and Vidotto

This week I have looking at  paper about Quantum gravity on a graph with just two nodes. This has great technical information on performing quantum cosmological calculations which I’ll review in another post. 1,331 more words

Quantum Tetrahedron Papers

Semiclassical analysis of Loop Quantum Gravity by Claudio Perini

This week I have been reading the PhD thesis Semiclassical analysis of Loop Quantum Gravity by Claudio Perini .

Semiclassical states for quantum gravity

The concept of… 1,843 more words

Quantum Tetrahedron Papers

The Geometry of a four-simplex by Wolfgang Wieland

This post looks at a small part of Wolfgang Wieland’s PhD thesis about the geometry of a four-simplex. In this the author  finds  that the… 1,007 more words

Quantum Tetrahedron Papers