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Topological fault-tolerance in cluster state quantum computation

- R. Raussendorf, J. Harrington, K. Goyal
- Computer Science, Physics
- 16 March 2007

TLDR

Fault-tolerant quantum computation with high threshold in two dimensions.

- R. Raussendorf, J. Harrington
- Computer Science, Physics
- Physical review letters
- 11 October 2006

TLDR

Confinement Higgs transition in a disordered gauge theory and the accuracy threshold for quantum memory

- Chenyang Wang, J. Harrington, J. Preskill
- Physics
- 16 July 2002

We study the ±J random-plaquette Z_2 gauge model (RPGM) in three spatial dimensions, a three-dimensional analog of the two-dimensional ±J random-bond Ising model (RBIM). The model is a pure Z_2 gauge… Expand

A fault-tolerant one-way quantum computer

- R. Raussendorf, J. Harrington, K. Goyal
- Physics
- 17 October 2005

We describe a fault-tolerant one-way quantum computer on cluster states in three dimensions. The presented scheme uses methods of topological error correction resulting from a link between cluster… Expand

Long-distance decoy-state quantum key distribution in optical fiber.

- D. Rosenberg, J. Harrington, +6 authors J. Nordholt
- Physics, Medicine
- Physical review letters
- 26 July 2006

The theoretical existence of photon-number-splitting attacks creates a security loophole for most quantum key distribution (QKD) demonstrations that use a highly attenuated laser source. Using… Expand

Localized closed timelike curves can perfectly distinguish quantum states.

- T. Brun, J. Harrington, M. Wilde
- Physics, Medicine
- Physical review letters
- 7 November 2008

We show that qubits traveling along closed timelike curves are a resource that a party can exploit to distinguish perfectly any set of quantum states. As a result, an adversary with access to closed… Expand

Analysis of quantum error-correcting codes: symplectic lattice codes and toric codes

- J. Harrington
- Mathematics
- 2004

Quantum information theory is concerned with identifying how quantum mechanical resources, such as entangled quantum states, can be utilized for a number of information processing tasks, including… Expand

Long-range quantum entanglement in noisy cluster states (6 pages)

- R. Raussendorf, S. Bravyi, J. Harrington
- Physics
- 29 July 2004

We describe a phase transition for long-range entanglement in a three-dimensional cluster state affected by noise. The partially decohered state is modeled by the thermal state of a short-range… Expand

Achievable rates for the Gaussian quantum channel

- J. Harrington, J. Preskill
- Physics
- 13 May 2001

We study the properties of quantum stabilizer codes that embed a finite-dimensional protected code space in an infinite-dimensional Hilbert space. The stabilizer group of such a code is associated… Expand

Practical long-distance quantum key distribution system using decoy levels

- D. Rosenberg, C. G. Peterson, +9 authors J. Nordholt
- Physics
- 18 June 2008

Quantum key distribution (QKD) has the potential for widespread real-world applications, but no secure long-distance experiment has demonstrated the truly practical operation needed to move QKD from… Expand

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