SEMINAR      Thursday, 15th June 2006 - h. 12:00 Auletta B-1    P. Q. Hung (Virginia University) Implications of a model of dark energy and dark matter Abstract A recent model of dark energy and dark matter was proposed, involving a new gauge group SU (2)_Z whose coupling grows strong at a scale Lambda_Z ~ 10^-3 eV. Some implications of this model, with particular attention to the possibility of successful leptogenesis, are discussed.