Associate Professor of Physics and Astronomy
Honors and Awards
Professional and Organizational Activities
Quantum information physics: Modeling and control of quantum noise; fault-tolerant quantum information processing; physical realizations of information; characterization and measures of entanglement; quantum measurement; quantum-classical correspondence.
For more information, visit the Viola Group's reseach web site.
Selected Recent Publications
"Exact convergence rates for arbitrary statistical moments of random quantum circuits," W. G. Brown and L. Viola, Phys. Rev. Lett. 104, 250501 (2010).
"Arbitrarily accurate dynamical control in open quantum systems," K. Khodjasteh, D. A. Lidar, and L. Viola, Phys. Rev. Lett. 104, 090501 (2010).
"Anomalous non-ergodic scaling in adiabatic multicritical quantum quenches," S. Deng, G. Ortiz, and L. Viola, Phys. Rev. B 80, Rapid Communication, 241109 (2009).
"Dynamically error-corrected quantum gates for universal quantum computation," K. Khodjasteh and L. Viola, Phys. Rev. Lett. 102, 080501 (2009).
"Characterizing the structure of preserved information in quantum processes," R. Blume-Kohout, H. K. Ng, D. Poulin, and L. Viola, Phys. Rev. Lett. 100, 030501 (2008).
"Generalized coherent states as preferred states of open quantum systems," S. Boixo, L. Viola, and G. Ortiz, Europhys. Lett. 79, 40003 (2007).
"Generalized entanglement as a framework for complex quantum systems: Purity vs delocalization measures," L. Viola and W. G. Brown, J. Phys. A 40, 8109 (2007).
"Enhanced convergence and robust performance of randomized dynamical decoupling," L. F. Santos and L. Viola, Phys. Rev. Lett. 97, 150501 (2006).
"Generalized entanglement as a natural framework for exploring quantum chaos," Y. S. Weinstein and L. Viola, Europhys. Lett. 76, 746 (2006).
"Random decoupling schemes for quantum dynamical decoupling and error suppression," L. Viola and E. Knill, Phys. Rev. Lett. 94, 060502 (2005).
"Experimental implementation of a concatenated quantum error-correcting code," N. Boulant, L. Viola, E. M. Fortunato, and D. G. Cory, Phys. Rev. Lett. 94, 130501 (2005).
"Advances in decoherence control," L. Viola, J. Mod. Optics, 51, 2357 (2004).
"A subsystem-independent generalization of entanglement," H. Barnum, E. Knill, G. Ortiz, R. Somma, and L. Viola, Phys. Rev. Lett. 92, 107902 (2004).
"Robust dynamical decoupling of quantum systems with bounded controls," L. Viola and E. Knill, Phys. Rev. Lett. 90, 037901 (2003).
"Quantum control via encoded dynamical decoupling," L. Viola, Phys. Rev. A 66, 012307 (2002).
"Implementation of universal control on a decoherence-free qubit," E. M. Fortunato, L. Viola, J. Hodges, G. Teklemariam, and D. G. Cory, New J. Phys. 4, 5.1 (2002).
L. Viola, E. M. Fortunato, M. A. Pravia, E. Knill, R. Laflamme, and D. G. Cory, "Experimental realization of noiseless subsystems for quantum information processing," Science 293, 2059 (2001).
"Theory of quantum error correction for general noise," E. Knill, R. Laflamme, and L. Viola, Phys. Rev. Lett. 84, 2525 (2000).