Phys. Rev. Focus27, 5 (2011) – Published February 4, 2011
Time travel isn’t forbidden by physical laws. A new consistency condition for time traveling quantum states eliminates any possibility of so-called grandfather paradoxes, in which a time-traveler kills her own ancestor.
Physics3, 80 (2010) – Published September 27, 2010
Ensembles of dilute spin impurities in condensed matter systems can be accessed using microelectronic circuits and therefore may offer a way for long-term storage and enhanced processing of quantum information.