arXiv:0704.1669·v2·General Relativity and Quantum Cosmology
Possible polarisation and spin dependent aspects of quantum gravity
D. V. Ahluwalia-Khalilova🇳🇿 · N. G. Gresnigt🇳🇿 · Alex B. Nielsen🇳🇿 · D. Schritt🇳🇿 · T. F. Watson (University of Canterbury, New Zealand)🇳🇿
Abstract
We argue that quantum gravity theories that carry a Lie algebraic modification of the Poincare' and Heisenberg algebras inevitably provide inhomogeneities that may serve as seeds for cosmological structure formation. Furthermore, in this class of theories one must expect a strong polarisation and spin dependence of various quantum-gravity effects.
Comments: Awarded an "honourable mention" in the 2007 Gravity Research Foundation Essay Competition