Peccei-Quinn Mechanism in Gravity and the Nature of the Barbero-Immirzi Parameter

Topological interpretation of Barbero-Immirzi parameter

(2009) Ghanashyam Date et al.   PHYSICAL REVIEW D

Remarks on the Barbero-Immirzi parameter as a field

(2009) Alexander Torres-Gomez et al.   PHYSICAL REVIEW D

Barbero-Immirzi field in canonical formalism of pure gravity

(2009) Gianluca Calcagni et al.   PHYSICAL REVIEW D

Fermions in loop quantum cosmology and the role of parity

(2008) Martin Bojowald et al.   CLASSICAL AND QUANTUM GRAVITY

Chern-Simons modified gravity as a torsion theory and its interaction with fermions

(2008) Stephon Alexander et al.   PHYSICAL REVIEW D

From the Einstein-Cartan to the Ashtekar-Barbero canonical constraints, passing through the Nieh-Yan functional

(2008) Simone Mercuri   PHYSICAL REVIEW D

Holst actions for supergravity theories

(2008) Romesh K. Kaul   PHYSICAL REVIEW D

Gravitational-wave probe of effective quantum gravity

(2008) Stephon Alexander et al.   PHYSICAL REVIEW D

Barbero-Immirzi parameter as a scalar field:K-inflation from loop quantum gravity?

(2008) Victor Taveras et al.   PHYSICAL REVIEW D

Is cosmic parity violation responsible for the anomalies in the WMAP data?

(2007) Stephon H.S. Alexander   PHYSICS LETTERS B