Quantum computing and cryptography

Many-body quantum correlations

Group Leaders:

Dieter Jaksch

Stephen Clark

Our research focuses on the dynamical behaviour of strongly correlated quantum systems out of thermal equilibrium.

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People

Dieter Jaksch

Professor of Physics, Fellow & Tutor at Keble College
Stephen Clark

Research Fellow and Tutor
Samuel Denny

DPhil Student
Tom Grujic

Student
Tomi Johnson

DPhil Student, Tutor at Keble and St Anne's Colleges
Juan Jose Mendoza-Arenas

DPhil student
Richard Walters

Atomic & Laser Physics DPhil student

Publications

Algebraically contractible topological tensor network states
Journal of Physics A: Mathematical and Theoretical 45 (2012)
SJ Denny, JD Biamonte, D Jaksch et al.
Dissipative quantum-light-field engineering
PHYSICAL REVIEW A 85 (2012) ARTN 023812
M Kiffner, U Dorner, D Jaksch
Breathing oscillations of a trapped impurity in a Bose gas
Europhysics Letters 98 (2012)
TH Johnson, M Bruderer, Y Cai et al.
Macroscopic non-classical states and terahertz quantum processing in room-temperature diamond
Nature Photonics 6 (2012) 41-44
KC Lee, BJ Sussman, MR Sprague et al.
Impurity transport through a strongly interacting bosonic quantum gas
Physical Review A 84 (2011) 023617
TH Johnson, SR Clark, M Bruderer et al.
Quantum interference between charge excitation paths in a solid-state Mott insulator
NAT PHYS 7 (2011) 114-118
S Wall, D Brida, SR Clark et al.
Categorical tensor network states
AIP Advances 1 (2011)
JD Biamonte, SR Clark, D Jaksch
Capturing long range correlations in two-dimensional quantum lattice systems using correlator product sta...
Physical Review B - Condensed Matter and Materials Physics 84 (2011)
S Al-Assam, SR Clark, CJ Foot et al.
Capturing long range correlations in two-dimensional quantum lattice systems using correlator product s...
ArXiv (2011)
S Al-Assam, SR Clark, CJ Foot et al.
Entangling Macroscopic Diamonds at Room Temperature
Science 334 (2011) 1253-1256
KC Lee, MR Sprague, BJ Sussman et al.
Categorical Tensor Network States
ArXiv (2010)
JD Biamonte, SR Clark, D Jaksch
Simulating and detecting artificial magnetic fields in trapped atoms
PHYS REV A 81 (2010) 013607
M Rosenkranz, A Klein, D Jaksch
Singlet generation in mixed-state quantum networks
PHYS REV A 81 (2010) 042316
S Broadfoot, U Dorner, D Jaksch
Long-distance entanglement generation in two-dimensional networks
PHYS REV A 82 (2010) 042326
S Broadfoot, U Dorner, D Jaksch
Bell inequality for pairs of particle-number-superselection-rule restricted states
PHYS REV A 82 (2010) 042116
L Heaney, SW Lee, D Jaksch
DECOHERENCE OF A QUANTUM MEMORY COUPLED TO A COLLECTIVE SPIN BATH
INT J QUANTUM INF 8 (2010) 271-294
R Walters, SR Clark, D Jaksch
Coherent optical memory with GHz bandwidth
2010 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) AND QUANTUM ELECTRONICS AND LASER SCIENCE CONFERENCE (QELS) (2010)
KF Reim, J Nunn, VO Lorenz et al.
Towards high-speed optical quantum memories
NAT PHOTONICS 4 (2010) 218-221
KF Reim, J Nunn, VO Lorenz et al.
Phonon resonances in atomic currents through Bose-Fermi mixtures in optical lattices
Physical Review A 82 (2010) 043617
M Bruderer, TH Johnson, SR Clark et al.
Witnessing entanglement in phase space using inefficient detectors
PHYS REV A 81 (2010) 012302
SW Lee, H Jeong, D Jaksch
Entanglement consumption of instantaneous nonlocal quantum measurements
ArXiv (2010)
SR Clark, AJ Connor, D Jaksch et al.
Quantum interference between photo-excited states in a solid-state Mott insulator
2010 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) AND QUANTUM ELECTRONICS AND LASER SCIENCE CONFERENCE (QELS) (2010)
S Wall, D Brida, SR Clark et al.
Applications of Raman Scattering in Quantum Technologies
XXII INTERNATIONAL CONFERENCE ON RAMAN SPECTROSCOPY 1267 (2010) 37-38
KF Reim, P Bustard, KC Lee et al.
Dynamical simulations of classical stochastic systems using matrix product states
Physical Review E 82 (2010) 036702
TH Johnson, SR Clark, D Jaksch
Exact matrix product solutions in the Heisenberg picture of an open quantum spin chain
NEW J PHYS 12 (2010) 025005
SR Clark, J Prior, MJ Hartmann et al.
Quantum memory in an optical lattice
PHYS REV A 82 (2010) 022327
J Nunn, U Dorner, P Michelberger et al.
Witnessing entanglement in phase space using inefficient detectors
Physical Review A - Atomic, Molecular, and Optical Physics 81 (2010)
S-W Lee, H Jeong, D Jaksch
Comparing phonon dephasing lifetimes in diamond using Transient Coherent Ultrafast Phonon Spectroscopy
DIAM RELAT MATER 19 (2010) 1289-1295
KC Lee, BJ Sussman, J Nunn et al.
Bell inequality for pairs of particle-number-superselection-rule restricted states
Physical Review A - Atomic, Molecular, and Optical Physics 82 (2010)
L Heaney, S-W Lee, D Jaksch
Entanglement consumption of instantaneous nonlocal quantum measurements
NEW J PHYS 12 (2010) 083034
SR Clark, AJ Connor, D Jaksch et al.
Testing quantum nonlocality by generalized quasiprobability functions
PHYS REV A 80 (2009) 022104
SW Lee, H Jeong, D Jaksch
Testing quantum nonlocality by generalized quasiprobability functions
Physical Review A - Atomic, Molecular, and Optical Physics 80 (2009)
S-W Lee, H Jeong, D Jaksch
Maximal violation of tight Bell inequalities for maximal high-dimensional entanglement
PHYS REV A 80 (2009) 010103
SW Lee, D Jaksch
Maximal violation of tight Bell inequalities for maximal high-dimensional entanglement
Physical Review A - Atomic, Molecular, and Optical Physics 80 (2009)
S-W Lee, D Jaksch
Parameter estimation with cluster states
PHYS REV A 79 (2009) 022103
M Rosenkranz, D Jaksch
Entanglement percolation with bipartite mixed states
EPL-EUROPHYS LETT 88 (2009) 50002
S Broadfoot, U Dorner, D Jaksch
Parameter estimation with cluster states
PHYS REV A 79 (2009) 022103
M Rosenkranz, D Jaksch
Phonon-induced artificial magnetic fields in optical lattices
EPL-EUROPHYS LETT 85 (2009) 13001
A Klein, D Jaksch
Density Matrix Renormalization Group in the Heisenberg Picture
PHYS REV LETT 102 (2009) 057202
MJ Hartmann, J Prior, SR Clark et al.
Understanding trafﬁc jams using quantum algorithms
MPhys project, University of Oxford (2009)
TH Johnson
Self-trapping of Bose-Einstein condensates expanding into shallow optical lattices
PHYS REV A 77 (2008) 063607
M Rosenkranz, D Jaksch, FY Lim et al.
Optical lattice quantum Hall effect
PHYS REV A 78 (2008) 013609
RN Palmer, A Klein, D Jaksch
Adiabatic melting of two-component Mott-insulator states
PHYS REV A 77 (2008) 043613
M Rodriguez, SR Clark, D Jaksch
Efficient spatially resolved multimode quantum memory
PHYS REV A 78 (2008) 033806
K Surmacz, J Nunn, K Reim et al.
Adiabatic evolution of on-site superposition states in a completely-connected optical lattice
395TH WILHELM AND ELSE HERAEUS SEMINAR - TIME DEPENDENT PHENOMENA IN QUANTUM MECHANICS 99 (2008)
M Rodriguez, SR Clark, D Jaksch
A quantum repeater based on decoherence free subspaces
QUANTUM INF COMPUT 8 (2008) 468-488
U Dorner, A Klein, D Jaksch
Multimode memories in atomic ensembles.
Phys Rev Lett 101 (2008) 260502-
J Nunn, K Reim, KC Lee et al.
A peek and a poke
Nature Physics 4 (2008) 906-908
D Jaksch
A quantum repeater based on decoherence free subspaces
Quantum Information and Computation 8 (2008) 0468-0488
U Dorner, A Klein, D Jaksch
Creation of resilient entangled states and a resource for measurement-based quantum computation with opti...
NEW J PHYS 10 (2008) 023005
B Vaucher, A Nunnenkamp, D Jaksch
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