The Immirzi parameter from an external scalar field

Details The Immirzi parameter from an external scalar field The Immirzi parameter from an external scalar field

2009-07-09

arxiv.org/abs/0907.1530v2

Phys.Rev.D80:084040,2009

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

5 pages

Scientific paper

10.1103/PhysRevD.80.084040

We promote the Immirzi parameter to be a minimally coupled scalar field and we analyzed the Hamiltonian constraints in the framework of Loop Quantum Gravity without the time gauge. Proper SU(2) connections can be defined and a term containing derivatives of the field $\beta$ enters into their definition. Furthermore, boost degrees of freedom are non-dynamical, while the super-momentum constraints coincide with the scalar field case. Hence, the kinematical Hilbert space can be defined as for gravity in presence of a minimally coupled scalar field. Then, we analyzed the dynamical implications of this scenario and we outlined how a the dynamical relaxation to a non-vanishing vacuum expectation value is predicted.

Affiliated with

Also associated with

No associations

Rating

The Immirzi parameter from an external scalar field does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with The Immirzi parameter from an external scalar field, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and The Immirzi parameter from an external scalar field will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-341674