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- Anne-Marie Oâ€™Connell, Max Hofheinz, +10 authors Andrew Nicholas Cleland
- Nature
- 2010

Quantum mechanics provides a highly accurate description of a wide variety of physical systems. However, a demonstration that quantum mechanics applies equally to macroscopic mechanical systems hasâ€¦ (More)

- Julian F. Kelly, Rami Barends, +19 authors John M. Martinis
- Nature
- 2015

Quantum computing becomes viable when a quantum state can be protected from environment-induced error. If quantum bits (qubits) are sufficiently reliable, errors are sparse and quantum errorâ€¦ (More)

- Rami Barends, Julian F. Kelly, +19 authors John M. Martinis
- Nature
- 2014

A quantum computer can solve hard problems, such as prime factoring, database searching and quantum simulation, at the cost of needing to protect fragile quantum states from error. Quantum errorâ€¦ (More)

- Max Hofheinz, Hangdong Wang, +8 authors Andrew Nicholas Cleland
- Nature
- 2009

The superposition principle is a fundamental tenet of quantum mechanics. It allows a quantum system to be â€˜in two places at the same timeâ€™, because the quantum state of a physical system canâ€¦ (More)

- P. J. J. O'Malley, Ryan Babbush, +27 authors John M. Martinis
- 2016

P. J. J. Oâ€™Malley, R. Babbush, I. D. Kivlichan, J. Romero, J. R. McClean, R. Barends, J. Kelly, P. Roushan, A. Tranter, N. Ding, B. Campbell, Y. Chen, Z. Chen, B. Chiaro, A. Dunsworth, A. G. Fowler,â€¦ (More)

- Anthony Megrant, C Neill, +16 authors Andrew Nicholas Cleland
- 2012

Related Articles Reduced microwave loss in trenched superconducting coplanar waveguides Appl. Phys. Lett. 100, 082602 (2012) Performance and operation of advanced superconducting electron cyclotronâ€¦ (More)

- Rami Barends, Julian F. Kelly, +13 authors John M. Martinis
- Physical review letters
- 2013

We demonstrate a planar, tunable superconducting qubit with energy relaxation times up to 44 Î¼s. This is achieved by using a geometry designed to both minimize radiative loss and reduce coupling toâ€¦ (More)

- Markus Ansmann, Hangdong Wang, +9 authors John M. Martinis
- Nature
- 2006

The measurement process plays an awkward role in quantum mechanics, because measurement forces a system to â€˜chooseâ€™ between possible outcomes in a fundamentally unpredictable manner. Therefore,â€¦ (More)

- E Lucero, Rami Barends, +11 authors John M. Martinis
- 2012

A quantum processor (QuP) can be used to exploit quantum mechanics to find the prime factors of composite numbers[1]. Compiled versions of Shorâ€™s algorithm have been demonstrated on ensemble quantumâ€¦ (More)

- Rami Barends, Lucas Lamata, +21 authors John M. Martinis
- Nature communications
- 2015

One of the key applications of quantum information is simulating nature. Fermions are ubiquitous in nature, appearing in condensed matter systems, chemistry and high energy physics. However,â€¦ (More)