Publications
50 results found
Milne A, Jennings D, Jevtic S, et al., 2014, Quantum correlations of two-qubit states with one maximally mixed marginal, PHYSICAL REVIEW A, Vol: 90, ISSN: 1050-2947
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- Citations: 23
Milne A, Jevtic S, Jennings D, et al., 2014, Quantum steering ellipsoids, extremal physical states and monogamy, New Journal of Physics, Vol: 16, ISSN: 1367-2630
Any two-qubit state can be faithfully represented by a steering ellipsoid inside the Bloch sphere, but not every ellipsoid inside the Bloch sphere corresponds to a two-qubit state. We give necessary and sufficient conditions for when the geometric data describe a physical state and investigate maximal volume ellipsoids lying on the physical-unphysical boundary. We derive monogamy relations for steering that are strictly stronger than the Coffman?Kundu?Wootters (CKW) inequality for monogamy of concurrence. The CKW result is thus found to follow from the simple perspective of steering ellipsoid geometry. Remarkably, we can also use steering ellipsoids to derive non-trivial results in classical Euclidean geometry, extending Euler?s inequality for the circumradius and inradius of a triangle.
Jevtic S, Pusey M, Jennings D, et al., 2014, Quantum Steering Ellipsoids, PHYSICAL REVIEW LETTERS, Vol: 113, ISSN: 0031-9007
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- Citations: 135
McConnell G, Jennings D, 2014, ON THE SPECTRAL DEPENDENCE OF SEPARABLE AND CLASSICAL CORRELATIONS IN SMALL QUANTUM SYSTEMS, QUANTUM INFORMATION & COMPUTATION, Vol: 14, Pages: 857-887, ISSN: 1533-7146
Korzekwa K, Jennings D, Rudolph T, 2014, Operational constraints on state-dependent formulations of quantum error-disturbance trade-off relations, PHYSICAL REVIEW A, Vol: 89, ISSN: 1050-2947
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- Citations: 31
Korzekwa K, Lostaglio M, Jennings D, et al., 2014, Quantum and classical entropic uncertainty relations, PHYSICAL REVIEW A, Vol: 89, ISSN: 1050-2947
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- Citations: 49
Ahmadi M, Jennings D, Rudolph T, 2013, The Wigner-Araki-Yanase theorem and the quantum resource theory of asymmetry, New Journal of Physics, Vol: 15, ISSN: 1367-2630
The Wigner–Araki–Yanase (WAY) theorem establishes an importantconstraint that conservation laws impose on quantum mechanical measurements.We formulate the WAY theorem in the broader context of resource theories,where one is constrained to a subset of quantum mechanical operations describedby a symmetry group. Establishing connections with the theory of quantumstate discrimination we obtain optimal unitaries describing the measurementof arbitrary observables, explain how prior information can permit perfectmeasurements that circumvent the WAY constraint, and provide a frameworkthat establishes a natural ordering on measurement apparatuses through adecomposition into asymmetry and charge subsystems.
Lewis PG, Jennings D, Barrett J, et al., 2012, Distinct Quantum States Can Be Compatible with a Single State of Reality, PHYSICAL REVIEW LETTERS, Vol: 109, ISSN: 0031-9007
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- Citations: 59
Jevtic S, Jennings D, Rudolph T, 2012, Quantum mutual information along unitary orbits, PHYSICAL REVIEW A, Vol: 85, ISSN: 1050-2947
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- Citations: 17
Jevtic S, Jennings D, Rudolph T, 2012, Maximally and Minimally Correlated States Attainable within a Closed Evolving System, PHYSICAL REVIEW LETTERS, Vol: 108, ISSN: 0031-9007
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- Citations: 43
Jennings D, 2011, Optimal primitive reference frames, PHYSICAL REVIEW A, Vol: 84, ISSN: 1050-2947
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- Citations: 1
Jennings D, 2010, On the response of a particle detector in anti-de Sitter spacetime, CLASSICAL AND QUANTUM GRAVITY, Vol: 27, ISSN: 0264-9381
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- Citations: 13
JENNINGS D, RUDOLPH T, 2010, Entanglement and the thermodynamic arrow of time, Vol: 81
JENNINGS D, RUDOLPH T, 2010, Comment on "Quantum Solution to the Arrow-of-Time Dilemma", Vol: 104
Herrera-Marti DA, Fowler AG, Jennings D, et al., 2010, Photonic implementation for the topological cluster-state quantum computer, Vol: 82
Ahmadi M, Jennings D, Rudolph T, 2010, Dynamics of a quantum reference frame undergoing selective measurements and coherent interactions, Vol: 82
JENNINGS D, DRAGAN A, BARRETT S, et al., 2009, Quantum computation via measurements on the low-temperature state of a many-body system, Vol: 80
BARRETT S, BARTLETT S, DOHERTY A, et al., 2009, Transitions in the computational power of thermal states for measurement-based quantum computation, Vol: 80
Vernon IR, Jennings D, 2005, Graviton emission into non-<i>Z</i><sub>2</sub> symmetric brane world spacetimes -: art. no. 011, JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, ISSN: 1475-7516
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- Citations: 5
Jennings D, Vernon IR, Davis AC, et al., 2005, Bulk black holes radiating in non-<i>Z</i><sub>2</sub> brane-world spacetimes -: art. no. 013, JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, ISSN: 1475-7516
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- Citations: 10
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