I am interested in decoherence, consistent histories set selection, and quantum-enhanced detection of very small momentum transfers.
IBM Research, Yorktown Heights, New York USA. Postdoctoral researcher. Collaboration with Charles Bennett. September, 2012 - September, 2014
CJR, "Decoherence from classically undetectable sources: Standard quantum limit for diffusion". Phys. Rev. A 92, 010101(R) (2015). [arXiv: 1504.03250]
M. Zwolak, CJR, and W. Zurek, "Amplification, Redundancy, and the Quantum Chernoff Information", Phys. Rev. Lett. 112, 140406 (2014). [arXiv: 1312.5373]
CJR, "Direct Detection of Classically Undetectable Dark Matter through Quantum Decoherence", Phys. Rev. D 88, 116005 (2013). [arXiv: 1212.3061]
CJR, Wojciech H. Zurek, and Michael Zwolak, "The Rise and Fall of Redundancy in Decoherence and Quantum Darwinism," New J. Phys. 14, 083010 (2012). [arXiv: 1205.3197]
CJR and Wojciech H. Zurek, "Quantum Darwinism in an Everyday Environment: Huge Redundancy in Scattered Photons," Phys. Rev. Lett. 105, 020404 (2010). [arXiv: 1001.3419]
CJR, "Quantum Brownian motion is an iterated POVM in symplectic generality".[arXiv: 1507.04083]
CJR, W. Zurek, and M. Zwolak, "The Objective Past of a Quantum Universe - Part 1: Redundant Records of Consistent Histories". [arXiv: 1312.0331]
CJR, "Local Records and Global Entanglement: A Unique Multi-Partite Generalization of the Schmidt Decomposition". [arXiv: 1310.4473]
"Negligible momentum transfers and anomalous decoherence: Dark matter detection with nanomechanical resonators?", Ecole de Physique des Houches. 10 August 2015.
Decoherence Detection: Dark Matter to Micromechanical Resonators." Department of Physics. Yale University. 17 February 2015.
Toward an Objective Principle for Decomposing the Wavefunction into Classical Branches." Center for Theoretical Physics, Massachusetts Institute of Technology. 5 December 2014.
"Dephasing Channels for Overcomplete Bases." Theoretical Division, Los Alamos National Laboratory. 24 July 2014.
"Negligible-Momentum Particle Detection through Decoherence." The MAQRO satellite consortium, University of Vienna. 1 January 2014.
"The Objective History of a Quantum Universe: Redundant Records of Consistent Histories", Quantum Physics and the Nature of Reality Conference. Internationale Akademie Traunkirchen. 23 November 2013; Stanford Institute for Theoretical Physics, Stanford University. 30 September 2013.
"Local Records and Global Entanglement: A Unique Multi-Partite Generalization of the Schmidt Decomposition." UCL-Paris Quantum Connection conference. Department of Physics and Astronomy / Department of Computer Science, University College London. 5 November 2013.
"Decoherence and the Quantum Detection of Classically Undetectable Phenomena." Theoretical Division, Los Alamos National Laboratory. 20 June 2013; Decoherence and Friends conference. Institute for Quantum Computing, University of Waterloo. 23 May 2013.
"Direct Detection of Classically Undetectable Dark Matter Through Quantum Decoherence." Department of Physics, Oregon State University. 13 January 2013; Department of Physics, University of Vienna. 21 November 2013; Stanford Institute for Theoretical Physics, Stanford University. 18 January 2013.
Redundancy and the Quantum-Classical Transition." Institut fur Quantenphysik, Universitat Ulm. 10 September 2013; Stanford Institute for Theoretical Physics, Stanford University. 10 May 2012.
"Quantum Darwinism - An Everyday Environment and Future Directions." Quantum Physics and the Nature of Reality Conference. Internationale Akademie Traunkirchen. 5 July 2011.
"Quantum Darwinism in an Everyday Environment." Quantum Coherence and Decoherence conference. Centro de Ciencias de Benasque Pedro Pascual. 14 September 2010.