Dr. Ben Lanyon

Scientific interests

Developing new levels of control over the states and dynamics of quantum systems in the laboratory. I am particularly interested in systems of ultra-cold single atomic ions and their application to explore quantum many-body physics.

Scientific CV

2013 - ongoing
Senior research scientist, Institut für Quantenoptik und Quanteninformation, Innsbruck, Austria
Quantum simulations with cold trapped ions

2011 - 2013
Marie-Curie postdoctoral fellow, Group of Prof. Rainer Blatt, University of Innsbruck, Austria
Complete setup of a calcium-40 ion trap. Experiments on quantum computation, quantum simulation and quantum metrology.

2009 - 2010
Postdoctoral fellow and lecturer, University of Queensland, Brisbane, Australia
Experiments on quantum feedback control and test of quantum mechanics using single photons.

2006 - 2009         
PhD (Physics), Group of Prof. Andrew White, University of Queensland, Brisbane, Australia
Thesis: Optical quantum information: new states, gates and algorithms.
Experiments with linear optical networks and single photons from spontaneous parametric downconversion.

Publications

2014

Observation of entanglement propagation in a quantum many-body system
P Jurcevic, BP Lanyon, P Hauke, C Hempel, P Zoller, R Blatt, CF Roos
Nature (in press), preprint: arXiv:1401.5387

Dicke Nonequilibrium Dynamics in Trapped Ions
S Genway, W Li, C Ates, BP Lanyon, I Lesanovsky
Physical Review Letters 112 (2), 023603 (2014), preprint: arXiv:1308.1424

Experimental violation of multipartite Bell inequalities with trapped ions
BP Lanyon, M Zwerger, P Jurcevic, C Hempel, W Dür, HJ Briegel, R Blatt, CF Roos
arXiv preprint arXiv:1312.4810
Physical Review Letters 112, 100403 (2014), preprint: arXiv:1312.4810

2013 & 2012

Measurement-based quantum computation with trapped ions 
B. P. Lanyon, P Jurcevic, M Zwerger, C Hempel, EA Martinez, W Dür, HJ Briegel, R Blatt, CF Roos,
Phys. Rev. Lett. 111, 210501 (2013), preprint: arXiv:1308.5102

Entanglement growth in quench dynamics with variable range interactions
J Schachenmayer, BP Lanyon, CF Roos, AJ Daley
Physical Review X 3 (3), 031015, preprint: arXiv:1305.6880

Experimental Generation of Quantum Discord via Noisy Processes 
B. P. Lanyon, P Jurcevic, C Hempel, M Gessner, V Vedral, R Blatt, CF Roos,
Phys. Rev. Lett. 111, 100504 (2013), preprint: arxiv:1304.3632

Deterministic generation of arbitrary symmetric states and entanglement classes
L Lamata, CE López, B. P. Lanyon, T Bastin, JC Retamal, E Solano
Phys. Rev. A 87, 032325 (2013), preprint: arXiv:1211.0404

Entanglement growth in quench dynamics with variable range interactions
J Schachenmayer, B. P. Lanyon, C. F. Roos, A. J. Daley.
Phys. Rev. X 3, 031015 (2013), preprint: arXiv:1305.6880

Entangled-enhanced detection of single photon scattering events
C Hempel, BP Lanyon, P Jurcevic, R Gerritsma, R Blatt, CF Roos
Nature Photonics 7, 630–633 (2013) (local pdf), preprint: arXiv:1304.3270

2011

Universal digital quantum simulation with trapped ions
B. P. Lanyon, C. Hempel, D. Nigg, M. Müller, R. Gerritsma, F. Zähringer, P. Schindler, J. T. Barreiro, M. Rambach, G. Kirchmair, M. Hennrich, P. Zoller, R. Blatt, C. F. Roos
Science 334, 57 (2011)

Adding control to arbitrary unknown quantum operations
Xiao-Qi Zhou, Timothy C Ralph, Pruet Kalasuwan, Mian Zhang, Alberto Peruzzo, Benjamin P Lanyon, Jeremy L O'Brien
Nature communications 2, 413

Quantum simulation of the Klein paradox with trapped ions
R Gerritsma, B. P. Lanyon, G Kirchmair, F Zähringer, C Hempel, J Casanova, JJ García-Ripoll, E Solano, R Blatt, CF Roos. 
Phys. Rev. Lett. 106, 060503 (2011)

Violation of the Leggett–Garg inequality with weak measurements of photons
Michael E Goggin, Marcelo P Almeida, Marco Barbieri, Benjamin P Lanyon, Jeremy L O’Brien, Andrew G White, Geoff J Pryde
Proceedings of the National Academy of Sciences 108 (4), 1256-1261 (2011)

2010

Discrete single-photon quantum walks with tunable decoherence
MA Broome, A Fedrizzi, BP Lanyon, I Kassal, A Aspuru-Guzik, AG White
Physical review letters 104 (15), 153602

Experimental feedback control of quantum systems using weak measurements
G. G. Gillett, R. B. Dalton, B. P. Lanyon, M. P. Almeida, M. Barbieri, G. J. Pryde, J. L. O’Brien, K. J. Resch, S. D. Bartlett,  A. G. White,
Physical Review Letters 104, 080503 (2010)

Towards quantum chemistry on a quantum computer
B.P. Lanyon, J. D. Whitfield, G. G. Gillett, M. E. Goggin, M. P. Almeida, and I Kassal, J. D. Biamonte, M,  Mohseni, B. J. Powell, M. Barbieri and A. Aspuru-Guzik, A.G. White,
Nature Chemistry 2, 106, (2010)

2009

Parametric downconversion and optical quantum logic gates: two’s company, four’s a crowd
M. Barbieri, T. J. Weinhold, B. P. Lanyon, A. Gilchrist, K. J. Resch, M. P. Almeida and A. G. White,
Journal of Modern Optics 56, 209 (2009).

Quantum computing using shortcuts through higher dimensions
B. P. Lanyon, M. Barbieri, M. P. Almeida, T.Jennewein, T.C. Ralph, K. J. Resch, G. J. Pryde,  A. Gilchrist & A.G. White,
Nature Physics 5, 134–140 (1 February 2009).

2008

Experimental quantum computing without entanglement
B. P. Lanyon, M. Barbieri, M. P. Almeida, A. G. White,
Physical Review Letters. 101, 200501 (2008).

Experimentally generating and tuning robust entanglement between photonic qubits
B. P. Lanyon and Nathan Langford
New Journal of Physics 11, 013008 (2009)

Manipulating biphotonic qutrits
B. P. Lanyon, T. J. Weinhold, N. K. Langford, J. L. O'Brien, K. J. Resch, A. Gilchrist, and A. G. White, arXiv: 0707.2880 (2007)
Physical Review Letters 100, 060504 (2008).

2007

Experimental demonstration of Shor’s algorithm with quantum entanglement
B. P. Lanyon, T. J. Weinhold, N. K. Langford, M. Barbieri, D. F. V. James, A. Gilchrist, and A. G. White,
Physical Review Letters 99, 250505 (2007).

Entanglement generation by Fock-state filtration
K. J. Resch, J. L. O'Brien, T. J. Weinhold, K. Sanaka, B. P. Lanyon, and N. K. Langford, and A. G. White,
Physical Review Letters 98, 203602 (2007).

2006

Coating thickness and elastic modulus measurement using ultrasonic bulk wave resonance
Dixon S, Lanyon B, Rowlands G,
Appl. Phys. Lett. 88, Art. 141907, 2006

Phase change measurement of ultrasonic shear waves on reflection from a curing epoxy system
Dixon S and Lanyon B,
J. Phys. D. 38, pp 4115-4125, 2005

Characterisation of thickness and crystallographic texture of sheet using non-contact ultrasonic measurements
Dixon S, Potter MDG, Lanyon B,
Ironmaking and Steelmaking, pp385-390, 2005

Resonance in thin two-layer dynamic systems
Dixon S, Lanyon B, Rowlands G,
J. Phys. D. 39, pp 506-514, 2006