quantum woo

Quantum ghosts, dynamical decoupling, why a diamond is forever in quantum computing, transversal press, quantum phrases I can't grok, and quantum jumping. Quantum ghosts: here and here. These articles describe the work reported in Laing, Rudolph, and O'Brien. "Experimental Quantum Process Discrimination." Phys. Rev. Lett., 102, 160502 (2009) arXiv:0801.3831. The idea is to discriminate "non-orthogonal" quantum processes via the use of entanglement, which is cool. (I'm a bit surprised that this classic paper is not referenced.) Optimized dynamical decoupling performed in ions at NIST. Paper…