Latest Papers

• Symmetries and Paraparticles as a Motivation for Structuralism. (arXiv:1002.3730v1 [quant-ph])
  Adam Caulton, Jeremy Butterfield
• Quantum System Identification: Hamiltonian Estimation using Spectral and Bayesian Analysis. (arXiv:0911.5429v1 [quant-ph])
  S. G. Schirmer, F. C. Langbein
• Robust Entanglement in Anti-ferromagnetic Heisenberg Chains by Single-spin Optimal Control. (arXiv:0911.5405v1 [quant-ph])
  Xiaoting Wang, Abolfazl Bayat, Sophie G Schirmer, Sugato Bose
• Stabilizing generic quantum states with Markovian dynamical semigroups. (arXiv:0911.4156v1 [quant-ph])
  Francesco Ticozzi, Sophie G. Schirmer, Xiaoting Wang
• Limitations of Passive Protection of Quantum Information. (arXiv:0911.3843v1 [quant-ph])
  Fernando Pastawski, Alastair Kay, Norbert Schuch, Ignacio Cirac
• Quantum System Identification by Bayesian Analysis of Noisy Data: Beyond Hamiltonian Tomography. (arXiv:0911.1367v1 [quant-ph])
  S. G. Schirmer, D. K. L. Oi
• The Role of Rotational Invariance in the Properties of Hamiltonians. (arXiv:0911.0549v1 [quant-ph])
  Alastair Kay
• Entropy in general physical theories. (arXiv:0909.4801v1 [quant-ph])
  Anthony J. Short, Stephanie Wehner
• Strong nonlocality: A trade-off between states and measurements
  Anthony J. Short, Jonathan Barrett
• Matchgate and space-bounded quantum computations are equivalent. (arXiv:0908.1467v2 [quant-ph] UPDATED)
  Richard Jozsa, Barbara Kraus, Akimasa Miyake, John Watrous
• Implementation of Fault-tolerant Quantum Logic Gates via Optimal Control. (arXiv:0907.1635v2 [quant-ph] UPDATED)
  R. Nigmatullin, S. G. Schirmer
• On the speed of fluctuations around thermodynamic equilibrium
  Noah Linden, Sandu Popescu, Anthony J Short, Andreas Winter
• How many singlets are needed to create a bipartite state using LOCC?. (arXiv:0906.3698v2 [quant-ph] UPDATED)
  Francesco Buscemi, Nilanjana Datta
• Entanglement generation between distant atoms by Lyapunov control. (arXiv:0906.1830v1 [quant-ph])
  Xiaoting Wang, S. G. Schirmer
• Computation on Spin Chains with Limited Access. (arXiv:0905.4070v3 [quant-ph] UPDATED)
  Alastair Kay, Peter J. Pemberton-Ross
• One-shot rates for entanglement manipulation under non-entangling maps. (arXiv:0905.2673v1 [quant-ph])
  Fernando Brandao, Nilanjana Datta
• One world versus many: the inadequacy of Everettian accounts of evolution, probability, and scientific confirmation. (arXiv:0905.0624v1 [quant-ph])
  Adrian Kent
• A Review of Perfect State Transfer and its Application as a Constructive Tool. (arXiv:0903.4274v2 [quant-ph] UPDATED)
  Alastair Kay
• Quantum mutual independence. (arXiv:0902.0912v2 [quant-ph] UPDATED)
  Michal Horodecki, Jonathan Oppenheim, Andreas Winter
• Analysis of Effectiveness of Lyapunov Control for Non-generic Quantum States. (arXiv:0901.4522v2 [quant-ph] UPDATED)
  Xiaoting Wang, Sonia Schirmer
• Analysis of Lyapunov Method for Control of Quantum States. (arXiv:0901.4515v2 [quant-ph] UPDATED)
  Xiaoting Wang, Sonia Schirmer
• Generalized relative entropies and the capacity of classical-quantum channels. (arXiv:0810.3478v3 [quant-ph] UPDATED)
  Milan Mosonyi, Nilanjana Datta
• Max- Relative Entropy of Entanglement, alias Log Robustness. (arXiv:0807.2536v4 [quant-ph] UPDATED)
  Nilanjana Datta
• Is Teleportation a (quantum) mystery?. (arXiv:0806.1679v1 [quant-ph])
  Berry Groisman
• Complex and Unpredictable Cardano. (arXiv:0806.0485v1 [physics.hist-ph])
  Artur Ekert
• Teleportation in General Probabilistic Theories. (arXiv:0805.3553v1 [quant-ph])
  Howard Barnum, Jonathan Barrett, Matthew Leifer, Alexander Wilce
• Implementation of Quantum Gates via Optimal Control. (arXiv:0805.2902v1 [quant-ph])
  Sonia Schirmer
• Improving quantum gate fidelities using optimized Euler angles. (arXiv:0805.2894v3 [quant-ph] UPDATED)
  K. Ch. Chatzisavvas, G. Chadzitaskos, C. Daskaloyannis, S. G. Schirmer
• Control Paradigms for Quantum Engineering. (arXiv:0805.2890v1 [quant-ph])
  Sonia Schirmer, Gajendran Kandasamy, Simon Devitt
• Analysis of Lyapunov Control for Hamiltonian Quantum Systems. (arXiv:0805.2882v1 [quant-ph])
  Xiaoting Wang, Sonia Schirmer
• Physics-based mathematical models for quantum devices via experimental system identification. (arXiv:0805.2725v1 [quant-ph])
  Sonia Schirmer, Daniel Oi, Simon Devitt
• Experimental demonstration of preparation contextuality and parity-oblivious multiplexing. (arXiv:0805.1463v1 [quant-ph])
  Robert W. Spekkens, D. H. Buzacott, A. J. Keehn, Ben Toner, G. J. Pryde
• State redistribution as merging: introducing the coherent relay. (arXiv:0805.1065v1 [quant-ph])
  Jonathan Oppenheim
• Min- and Max- Relative Entropies and a New Entanglement Monotone. (arXiv:0803.2770v3 [quant-ph] UPDATED)
  Nilanjana Datta
• Many body effects and cluster state quantum computation in strongly interacting systems of photons. (arXiv:0803.1665v1 [quant-ph])
  Dimitris G. Angelakis, Sougato Bose, Alastair Kay, Marcelo F. Santos
• Reproducing spin lattice models in strongly coupled atom-cavity systems. (arXiv:0802.0488v3 [quant-ph] UPDATED)
  Alastair Kay, Dimitris G. Angelakis
• The Computational Power of Symmetric Hamiltonians. (arXiv:0801.3228v3 [quant-ph] UPDATED)
  Alastair Kay
• Comparative Analysis of Control Strategies. (arXiv:0801.0746v1 [quant-ph])
  Sonia G Schirmer, Peter J Pemberton-Ross, Xiaoting Wang
• Global controllability with a single local actuator. (arXiv:0801.0721v2 [quant-ph] UPDATED)
  Sonia G. Schirmer, Ivan C. H. Pullen, Peter J. Pemberton-Ross
• Analysis of Lyapunov Method for Control of Quantum Systems. (arXiv:0801.0702v2 [quant-ph] UPDATED)
  Xiaoting Wang, Sonia G. Schirmer
• A paradigm for entanglement theory based on quantum communication. (arXiv:0801.0458v1 [quant-ph])
  Jonathan Oppenheim
• Smooth Renyi Entropies and the Quantum Information Spectrum. (arXiv:0801.0282v1 [quant-ph])
  Nilanjana Datta, Renato Renner
• The de Finetti theorem for test spaces. (arXiv:0712.2265v2 [quant-ph] UPDATED)
  Jonathan Barrett, Matthew Leifer
• Finite de Finetti theorem for conditional probability distributions describing physical theories. (arXiv:0712.0916v1 [quant-ph])
  Matthias Christandl, Ben Toner
• Classical capacity of quantum channels with general Markovian correlated noise. (arXiv:0712.0722v1 [quant-ph])
  Nilanjana Datta, Tony Dorlas
• Complementarity of Private and Correctable Subsystems in Quantum Cryptography and Error Correction. (arXiv:0711.3438v1 [quant-ph])
  Dennis Kretschmann, David W. Kribs, Robert W. Spekkens
• Holonomy for Quantum Channels. (arXiv:0711.2140v1 [quant-ph])
  David Kult, Johan Åberg, Erik Sjöqvist
• Steady state entanglement between hybrid light-matter qubits. (arXiv:0711.1830v2 [quant-ph] UPDATED)
  Dimitris G. Angelakis, Stefano Mancini, Sougato Bose
• The resource theory of quantum reference frames: manipulations and monotones. (arXiv:0711.0043v2 [quant-ph] UPDATED)
  Gilad Gour, Robert W. Spekkens
• Negativity and contextuality are equivalent notions of nonclassicality. (arXiv:0710.5549v1 [quant-ph])
  Robert W. Spekkens
• SLOCC Convertibility between Two-Qubit States. (arXiv:0710.5350v1 [quant-ph])
  Yeong-Cherng Liang, Lluís Masanes, Andrew C. Doherty
• Weak measurement takes a simple form for cumulants. (arXiv:0710.5113v1 [quant-ph])
  Graeme Mitchison
• A Witness of Multipartite Entanglement Strata. (arXiv:0710.1928v2 [quant-ph] UPDATED)
  Dagomir Kaszlikowski, Alastair Kay
• Real World Interpretations of Quantum Theory. (arXiv:0708.3710v1 [quant-ph])
  Adrian Kent (Centre for Quantum Computation, DAMTP, University of Cambridge and Perimeter Institute)
• The Impossibility Of Secure Two-Party Classical Computation. (arXiv:0708.2843v1 [quant-ph])
  Roger Colbeck
• The quantum Chernoff bound as a measure of distinguishability between density matrices: application to qubit and Gaussian states. (arXiv:0708.2343v2 [quant-ph] UPDATED)
  J. Calsamiglia, R. Munoz-Tapia, Ll. Masanes, A. Acin, E. Bagan
• Stochastic Einstein Locality Revisited. (arXiv:0708.2192v1 [quant-ph])
  Jeremy Butterfield
• Reconsidering Relativistic Causality. (arXiv:0708.2189v1 [quant-ph])
  Jeremy Butterfield
• Quantum Cryptography with Finite Resources. [arXiv:0708.0709]
  Valerio Scarani, Renato Renner
• Optimal phase estimation in quantum networks. (arXiv:0706.4412v2 [quant-ph] UPDATED)
  Wim van Dam, G. Mauro D'Ariano, Artur Ekert, Chiara Macchiavello, Michele Mosca
• Einstein, incompleteness, and the epistemic view of quantum states
  Harrigan, Nicholas, Spekkens, Robert W.
• Sequential weak measurement. [arXiv:0706.1508v1]
  Graeme Mitchison, Richard Jozsa, Sandu Popescu
• Bounding Fault-Tolerant Thresholds for Purification and Quantum Computation. (arXiv:0705.4360v4 [quant-ph] UPDATED)
  Alastair Kay
• Entanglement Assisted Classical Capacity of a Class of Quantum Channels with Long-Term Memory. (arXiv:0705.1465v2 [quant-ph] UPDATED)
  Nilanjana Datta, Yurii Suhov, Tony C. Dorlas
• A QMA-Complete Translationally Invariant Hamiltonian Problem and the Complexity of Finding Ground State Energies in Physical Systems. [arXiv:0704.3142v3 UPDATED]
  Alastair Kay
• Squashed entanglement for multipartite states and entanglement measures based on the mixed convex roof. [arXiv:0704.2236v2 UPDATED]
  Dong Yang, Karol Horodecki, Michal Horodecki, Pawel Horodecki, Jonathan Oppenheim, Wei Song
• Entanglement Cost for Sequences of Arbitrary Quantum States. (arXiv:0704.1957v2 [quant-ph] UPDATED)
  Garry Bowen, Nilanjana Datta
• Optical implementation and entanglement distribution in Gaussian valence bond states. [arXiv:0704.1580v1]
  Gerardo Adesso, Marie Ericsson
• Entangling and disentangling capacities of nonlocal maps. [arXiv:0704.1042v1]
  Berry Groisman
• Transfer of a Polaritonic Qubit through a Coupled Cavity Array. [arXiv:0704.0984v1]
  Sougato Bose, Dimitris G. Angelakis, Daniel Burgarth
• Masanes, Lluis: All bipartite entangled states display some hidden nonlocality
  Masanes, Lluis, Liang, Yeong-Cherng, Doherty, Andrew C.
• A most compendious and facile quantum de Finetti theorem
  Robert Koenig, Graeme Mitchison
• Aberg, Johan: Generalized spectroscopy; coherence, superposition, and loss
  Aberg, Johan, Oi, Daniel K. L.
• Groisman, Berry: "Quantumness" versus "Classicality" of Quantum States
  Groisman, Berry, Kenigsberg, Dan, Mor, Tal
• Symmetry implies independence
  Renato Renner
• Limitations of some simple adiabatic quantum algorithms
  Lawrence M. Ioannou, Michele Mosca
• Limitations of some simple adiabatic quantum algorithms. (arXiv:quant-ph/0702241v2 UPDATED)
  Lawrence M. Ioannou, Michele Mosca
• Deriving a Fault-Tolerant Threshold for a Global Control Scheme
  Alastair Kay
• Angelakis, Dimitris G.: Cluster state quantum computation in coupled cavity arrays
  Angelakis, Dimitris G., Kay, Alastair
• Subspace Confinement: How good is your qubit?. (arXiv:quant-ph/0702123v3 UPDATED)
  Simon J. Devitt, Sonia G. Schirmer, Daniel K.L. Oi, Jared H. Cole, Lloyd C.L. Hollenberg
• The Topological Properties of Fault-Tolerant Circuits. (arXiv:quant-ph/0702092v3 UPDATED)
  Alastair Kay
• Kay, Alastair: The Impossibility of Quantum State Mirroring on Square Lattices
  Kay, Alastair
• Horodecki, Karol: Unconditional privacy over channels which cannot convey quantum information
  Horodecki, Karol, Horodecki, Michal, Horodecki, Pawel, Leung, Debbie, Oppenheim, Jonathan
• Ohshima, Toshio: Robust state stansfer and rotation through a spin chain via dark passage
  Ohshima, Toshio, Ekert, Artur, Oi, Daniel K. L., Kaslizowski, Dagomir, Kwek, L. C.
• Oi, Daniel K. L.: Equilibrium temperature anisotropy and black-hole analogues
  Oi, Daniel K. L., Oppenheim, Jonathan
• Alleaume, Romain: SECOQC White Paper on Quantum Key Distribution and Cryptography
  Alleaume, Romain, Bouda, Jan, Branciard, Cyril, Debuisschert, Thierry, Dianati, Mehrdad, Gisin, Nicolas, Godfrey, Mark, Grangier, Philippe, Langer, Thomas, Leverrier, Anthony, Lutkenhaus, Norbert, Painchault, Philippe, Peev, Momtchil, Poppe, Andreas, Pornin, Thomas, Rarity, John, Renner, Renato, Ribordy, Gregoire, Riguidel, Michel, Salvail, Louis, Shields, Andrew, Weinfurter, Harald, Zeilinger, Anton
• Continuous variable entanglement sharing in non-inertial frames. (arXiv:quant-ph/0701074v3 UPDATED)
  Gerardo Adesso, Ivette Fuentes-Schuller, Marie Ericsson
• Mitchison, Graeme: A dual de Finetti theorem
  Mitchison, Graeme
• Pooling quantum states obtained by indirect measurements
  Robert W. Spekkens, H. M. Wiseman
• Quantifying Superposition
  Johan Aberg
• A Tight High-Order Entropic Quantum Uncertainty Relation With Applications
  Ivan B. Damgaard, Serge Fehr, Renato Renner, Louis Salvail, Christian Schaffner
• A Tight High-Order Entropic Quantum Uncertainty Relation With Applications. (arXiv:quant-ph/0612014v2 UPDATED)
  Ivan B. Damgaard, Serge Fehr, Renato Renner, Louis Salvail, Christian Schaffner
• On the impossibility of extracting classical randomness using a quantum computer
  Yevgeniy Dodis, Renato Renner
• Bowen, Garry: Asymptotic entanglement manipulation of bipartite pure states
  Bowen, Garry, Datta, Nilanjana
• Kraus, Barbara: Security of quantum key distribution protocols using two-way classical communication or weak coherent pulses
  Kraus, Barbara, Branciard, Cyril, Renner, Renato
• Coding Theorem for a Class of Quantum Channels with Long-Term Memory
  Nilanjana Datta, Tony Dorlas
• Bartlett, Stephen D.: Reference frames, superselection rules, and quantum information
  Bartlett, Stephen D., Rudolph, Terry, Spekkens, Robert W.
• Audenaert, K. M. R.: The Quantum Chernoff Bound
  Audenaert, K. M. R., Calsamiglia, J., Masanes, Ll., Munoz-Tapia, R., Acin, A., Bagan, E., Verstraete, F.
• Bowen, Garry: Quantum Coding Theorems for Arbitrary Sources, Channels and Entanglement Resources
  Bowen, Garry, Datta, Nilanjana
• Buhrman, Harry: Security of quantum bit string commitment depends on the information measure
  Buhrman, Harry, Christandl, Matthias, Hayden, Patrick, Lo, Hoi-Kwong, Wehner, Stephanie
• Coexistence of unlimited bipartite and multipartite continuous variable entanglement
  Gerardo Adesso, Marie Ericsson, Fabrizio Illuminati
• Coexistence of unlimited bipartite and genuine multipartite entanglement: Promiscuous quantum correlations arising from discrete to continuous variable systems. [arXiv:quant-ph/0609178v3 UPDATED]
  Gerardo Adesso, Marie Ericsson, Fabrizio Illuminati
• Title: Optimal quantum circuits for general phase estimation
  W. van Dam, G. M. D'Ariano, A. Ekert, C. Macchiavello, M. Mosca
• Calsamiglia, J.: Optimal discrimination of mixed states: the quantum Chernoff bound
  Calsamiglia, J., Masanes, Ll., Munoz-Tapia, R., Acin, A., Bagan, E.
• Liu, Y. -K.: N-representability is QMA-complete
  Liu, Y. -K., Christandl, M., Verstraete, F.
• Colbeck, Roger: An Entanglement-Based Protocol For Strong Coin Tossing With Bias 1/4
  Colbeck, Roger
• Quantum network communication -- the butterfly and beyond. (arXiv:quant-ph/0608223v5 UPDATED)
  Debbie Leung, Jonathan Oppenheim, Andreas Winter
• Unifying classical and quantum key distillation
  Matthias Christandl, Artur Ekert, Michal Horodecki, Pawel Horodecki, Jonathan Oppenheim, Renato Renner
• Quantum key distribution based on private states: unconditional security over untrusted channels with zero quantum capacity. (arXiv:quant-ph/0608195v4 UPDATED)
  Karol Horodecki, Michal Horodecki, Pawel Horodecki, Debbie Leung, Jonathan Oppenheim
• Aberg, Johan: Operational approach to the Uhlmann holonomy
  Aberg, Johan, Kult, David, Sjöqvist, Erik, Oi, D. K. L.
• Koenig, Robert: The Bounded Storage Model in The Presence of a Quantum Adversary
  Koenig, Robert, Terhal, Barbara M.
• Multipartite purification protocols: upper and optimal bounds. [arXiv:quant-ph/0608080v3 UPDATED]
  Alastair Kay, Jiannis K. Pachos
• Kribs, David W.: Quantum Error Correcting Subsystems are Unitarily Recoverable Subsystems
  Kribs, David W., Spekkens, Robert W.
• Groisman, Berry: Reliable entanglement transfer between pure quantum states
  Groisman, Berry
• Secrecy extraction from no-signalling correlations
  Valerio Scarani, Nicolas Gisin, Nicolas Brunner, Lluis Masanes, Sergi Pino, Antonio Acin
• Kay, Alastair: Optimal purification of thermal graph states
  Kay, Alastair, Pachos, Jiannis K., Dür, Wolfgang, Briegel, Hans J.
• Angelakis, Dimitris G.: Photon blockade induced Mott transitions and XY spin models in coupled cavity arrays
  Angelakis, Dimitris G., Santos, Marcelo F., Bose, Sougato
• Dowling, Mark R.: How to observe a coherent superposition of an atom and a molecule
  Dowling, Mark R., Bartlett, Stephen D., Rudolph, Terry, Spekkens, Robert W.
• Mitchison, Graeme: The limits of counterfactual computation
  Mitchison, Graeme, Jozsa, Richard
• Masanes, Lluis: Unconditional security of key distribution from causality constraints
  Masanes, Lluis, Winter, Andreas
• Barrett, Jonathan: Maximally Non-Local and Monogamous Quantum Correlations
  Barrett, Jonathan, Kent, Adrian, Pironio, Stefano
• The Structure of Bipartite Quantum States - Insights from Group Theory and Cryptography
  Matthias Christandl
• Kay, A.: State Transfer and Spin Measurement
  Kay, A.
• Bowen, Garry: Beyond i.i.d. in Quantum Information Theory
  Bowen, Garry, Datta, Nilanjana
• Oi, Daniel K. L.: Fidelity and Coherence Measures from Interference
  Oi, Daniel K. L., Aberg, Johan
• Ioannou, Lawrence M.: Convex Separation from Optimization via Heuristics
  Ioannou, Lawrence M., Travaglione, Benjamin C., Cheung, Donny
• Ioannou, Lawrence M.: Quantum Separability and Entanglement Detection via Entanglement-Witness Search and Global Optimization
  Ioannou, Lawrence M., Travaglione, Benjamin C.
• Schirmer, Sonia G: Hamiltonian engineering for quantum systems
  Schirmer, Sonia G
• A classical analogue of negative information. (arXiv:quant-ph/0511247v2 UPDATED)
  Jonathan Oppenheim, Robert W. Spekkens, Andreas Winter
• Uncommon information (the cost of exchanging a quantum state). (arXiv:quant-ph/0511082v2 UPDATED)
  Jonathan Oppenheim, Andreas Winter
• Possibility, Impossibility and Cheat-Sensitivity of Quantum Bit String Commitment. (arXiv:quant-ph/0504078v2 UPDATED)
  Harry Buhrman (1,2), Matthias Christandl (3), Patrick Hayden (4), Hoi-Kwong Lo (5), Stephanie Wehner (2) ((1) University of Amsterdam, (2) CWI, Amsterdam, (3) CQC Cambridge, (4) McGill University, (5) University of Toronto)
• A proposal for the implementation of quantum gates with photonic-crystal coupled cavity waveguides. [arXiv:quant-ph/0410189v5 UPDATED]
  Dimitris G. Angelakis, Marcelo Franca Santos, Vassilis Yannopapas, Artur Ekert