Search Results - "Barends, R"

Chiral ground-state currents of interacting photons in a synthetic magnetic field by Roushan, P., Neill, C., Megrant, A., Chen, Y., Babbush, R., Barends, R., Campbell, B., Chen, Z., Chiaro, B., Dunsworth, A., Fowler, A., Jeffrey, E., Kelly, J., Lucero, E., Mutus, J., O’Malley, P. J. J., Neeley, M., Quintana, C., Sank, D., Vainsencher, A., Wenner, J., White, T., Kapit, E., Neven, H., Martinis, J.

“…The intriguing many-body phases of quantum matter arise from the interplay of particle interactions, spatial symmetries, and external fields. Generating these…”
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Demonstrating a Continuous Set of Two-qubit Gates for Near-term Quantum Algorithms by Foxen, B., Neill, C., Dunsworth, A., Roushan, P., Chiaro, B., Megrant, A., Kelly, J., Chen, Zijun, Satzinger, K., Barends, R., Arute, F., Arya, K., Babbush, R., Bacon, D., Bardin, J. C., Boixo, S., Buell, D., Burkett, B., Chen, Yu, Collins, R., Farhi, E., Fowler, A., Gidney, C., Giustina, M., Graff, R., Harrigan, M., Huang, T., Isakov, S. V., Jeffrey, E., Jiang, Z., Kafri, D., Kechedzhi, K., Klimov, P., Korotkov, A., Kostritsa, F., Landhuis, D., Lucero, E., McClean, J., McEwen, M., Mi, X., Mohseni, M., Mutus, J. Y., Naaman, O., Neeley, M., Niu, M., Petukhov, A., Quintana, C., Rubin, N., Sank, D., Smelyanskiy, V., Vainsencher, A., White, T. C., Yao, Z., Yeh, P., Zalcman, A., Neven, H., Martinis, J. M.

“…Quantum algorithms offer a dramatic speedup for computational problems in material science and chemistry. However, any near-term realizations of these…”
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Dexmedetomidine versus Midazolam in Procedural Sedation. A Systematic Review of Efficacy and Safety by Barends, Clemens R M, Absalom, Anthony, van Minnen, Baucke, Vissink, Arjan, Visser, Anita

“…To systematically review the literature comparing the efficacy and safety of dexmedetomidine and midazolam when used for procedural sedation. We searched…”
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Ergodic dynamics and thermalization in an isolated quantum system by Neill, C., Roushan, P., Fang, M., Chen, Y., Kolodrubetz, M., Chen, Z., Megrant, A., Barends, R., Campbell, B., Chiaro, B., Dunsworth, A., Jeffrey, E., Kelly, J., Mutus, J., O’Malley, P. J. J., Quintana, C., Sank, D., Vainsencher, A., Wenner, J., White, T. C., Polkovnikov, A., Martinis, J. M.

“…The realization of a quantum kicked top provides evidence for ergodic dynamics and thermalization in a small quantum system consisting of three superconducting…”
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Fluctuations of Energy-Relaxation Times in Superconducting Qubits by Klimov, P V, Kelly, J, Chen, Z, Neeley, M, Megrant, A, Burkett, B, Barends, R, Arya, K, Chiaro, B, Chen, Yu, Dunsworth, A, Fowler, A, Foxen, B, Gidney, C, Giustina, M, Graff, R, Huang, T, Jeffrey, E, Lucero, Erik, Mutus, J Y, Naaman, O, Neill, C, Quintana, C, Roushan, P, Sank, Daniel, Vainsencher, A, Wenner, J, White, T C, Boixo, S, Babbush, R, Smelyanskiy, V N, Neven, H, Martinis, John M

“…Superconducting qubits are an attractive platform for quantum computing since they have demonstrated high-fidelity quantum gates and extensibility to modest…”
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Rare earth metals are essential for methanotrophic life in volcanic mudpots by Pol, Arjan, Barends, Thomas R. M., Dietl, Andreas, Khadem, Ahmad F., Eygensteyn, Jelle, Jetten, Mike S. M., Op den Camp, Huub J. M.

“…Summary Growth of Methylacidiphilum fumariolicum SolV, an extremely acidophilic methanotrophic microbe isolated from an Italian volcanic mudpot, is shown to be…”
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Clinical Pharmacokinetics and Pharmacodynamics of Dexmedetomidine by Weerink, Maud A. S., Struys, Michel M. R. F., Hannivoort, Laura N., Barends, Clemens R. M., Absalom, Anthony R., Colin, Pieter

“…Dexmedetomidine is an α 2 -adrenoceptor agonist with sedative, anxiolytic, sympatholytic, and analgesic-sparing effects, and minimal depression of respiratory…”
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Measuring and Suppressing Quantum State Leakage in a Superconducting Qubit by Chen, Zijun, Kelly, Julian, Quintana, Chris, Barends, R, Campbell, B, Chen, Yu, Chiaro, B, Dunsworth, A, Fowler, A G, Lucero, E, Jeffrey, E, Megrant, A, Mutus, J, Neeley, M, Neill, C, O'Malley, P J J, Roushan, P, Sank, D, Vainsencher, A, Wenner, J, White, T C, Korotkov, A N, Martinis, John M

“…Leakage errors occur when a quantum system leaves the two-level qubit subspace. Reducing these errors is critically important for quantum error correction to…”
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Removing leakage-induced correlated errors in superconducting quantum error correction by McEwen, M., Kafri, D., Chen, Z., Atalaya, J., Satzinger, K. J., Quintana, C., Klimov, P. V., Sank, D., Gidney, C., Fowler, A. G., Arute, F., Arya, K., Buckley, B., Burkett, B., Bushnell, N., Chiaro, B., Collins, R., Demura, S., Dunsworth, A., Erickson, C., Foxen, B., Giustina, M., Huang, T., Hong, S., Jeffrey, E., Kim, S., Kechedzhi, K., Kostritsa, F., Laptev, P., Megrant, A., Mi, X., Mutus, J., Naaman, O., Neeley, M., Neill, C., Niu, M., Paler, A., Redd, N., Roushan, P., White, T. C., Yao, J., Yeh, P., Zalcman, A., Chen, Yu, Smelyanskiy, V. N., Martinis, John M., Neven, H., Kelly, J., Korotkov, A. N., Petukhov, A. G., Barends, R.

“…Quantum computing can become scalable through error correction, but logical error rates only decrease with system size when physical errors are sufficiently…”
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Diabatic Gates for Frequency-Tunable Superconducting Qubits by Barends, R, Quintana, C M, Petukhov, A G, Chen, Yu, Kafri, D, Kechedzhi, K, Collins, R, Naaman, O, Boixo, S, Arute, F, Arya, K, Buell, D, Burkett, B, Chen, Z, Chiaro, B, Dunsworth, A, Foxen, B, Fowler, A, Gidney, C, Giustina, M, Graff, R, Huang, T, Jeffrey, E, Kelly, J, Klimov, P V, Kostritsa, F, Landhuis, D, Lucero, E, McEwen, M, Megrant, A, Mi, X, Mutus, J, Neeley, M, Neill, C, Ostby, E, Roushan, P, Sank, D, Satzinger, K J, Vainsencher, A, White, T, Yao, J, Yeh, P, Zalcman, A, Neven, H, Smelyanskiy, V N, Martinis, John M

“…We demonstrate diabatic two-qubit gates with Pauli error rates down to 4.3(2)×10^{-3} in as fast as 18 ns using frequency-tunable superconducting qubits. This…”
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Spectroscopic signatures of localization with interacting photons in superconducting qubits by Roushan, P., Neill, C., Tangpanitanon, J., Bastidas, V. M., Megrant, A., Barends, R., Chen, Y., Chen, Z., Chiaro, B., Dunsworth, A., Fowler, A., Foxen, B., Giustina, M., Jeffrey, E., Kelly, J., Lucero, E., Mutus, J., Neeley, M., Quintana, C., Sank, D., Vainsencher, A., Wenner, J., White, T., Neven, H., Angelakis, D. G., Martinis, J.

“…Quantized eigenenergies and their associated wave functions provide extensive information for predicting the physics of quantum many-body systems. Using a…”
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Observation of topological transitions in interacting quantum circuits by Roushan, P., Neill, C., Chen, Yu, Kolodrubetz, M., Quintana, C., Leung, N., Fang, M., Barends, R., Campbell, B., Chen, Z., Chiaro, B., Dunsworth, A., Jeffrey, E., Kelly, J., Megrant, A., Mutus, J., O’Malley, P. J. J., Sank, D., Vainsencher, A., Wenner, J., White, T., Polkovnikov, A., Cleland, A. N., Martinis, J. M.

“…Superconducting quantum circuits are used to directly observe and characterize topological phase transitions; this approach promises to be a powerful and…”
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Characterization and reduction of capacitive loss induced by sub-micron Josephson junction fabrication in superconducting qubits by Dunsworth, A., Megrant, A., Quintana, C., Chen, Zijun, Barends, R., Burkett, B., Foxen, B., Chen, Yu, Chiaro, B., Fowler, A., Graff, R., Jeffrey, E., Kelly, J., Lucero, E., Mutus, J. Y., Neeley, M., Neill, C., Roushan, P., Sank, D., Vainsencher, A., Wenner, J., White, T. C., Martinis, John M.

“…Josephson junctions form the essential non-linearity for almost all superconducting qubits. The junction is formed when two superconducting electrodes come…”
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A blueprint for demonstrating quantum supremacy with superconducting qubits by Neill, C, Roushan, P, Kechedzhi, K, Boixo, S, Isakov, S V, Smelyanskiy, V, Megrant, A, Chiaro, B, Dunsworth, A, Arya, K, Barends, R, Burkett, B, Chen, Y, Chen, Z, Fowler, A, Foxen, B, Giustina, M, Graff, R, Jeffrey, E, Huang, T, Kelly, J, Klimov, P, Lucero, E, Mutus, J, Neeley, M, Quintana, C, Sank, D, Vainsencher, A, Wenner, J, White, T C, Neven, H, Martinis, J M

“…A key step toward demonstrating a quantum system that can address difficult problems in physics and chemistry will be performing a computation beyond the…”
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Superconducting quantum circuits at the surface code threshold for fault tolerance by Barends, R., Kelly, J., Megrant, A., Veitia, A., Sank, D., Jeffrey, E., White, T. C., Mutus, J., Fowler, A. G., Campbell, B., Chen, Y., Chen, Z., Chiaro, B., Dunsworth, A., Neill, C., O’Malley, P., Roushan, P., Vainsencher, A., Wenner, J., Korotkov, A. N., Cleland, A. N., Martinis, John M.

“…A universal set of logic gates in a superconducting quantum circuit is shown to have gate fidelities at the threshold for fault-tolerant quantum computing by…”
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Coherent Josephson qubit suitable for scalable quantum integrated circuits by Barends, R, Kelly, J, Megrant, A, Sank, D, Jeffrey, E, Chen, Y, Yin, Y, Chiaro, B, Mutus, J, Neill, C, O'Malley, P, Roushan, P, Wenner, J, White, T C, Cleland, A N, Martinis, John M

“…We demonstrate a planar, tunable superconducting qubit with energy relaxation times up to 44 μs. This is achieved by using a geometry designed to both minimize…”
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Catch and release of microwave photon states by Yin, Yi, Chen, Yu, Sank, Daniel, O'Malley, P J J, White, T C, Barends, R, Kelly, J, Lucero, Erik, Mariantoni, Matteo, Megrant, A, Neill, C, Vainsencher, A, Wenner, J, Korotkov, Alexander N, Cleland, A N, Martinis, John M

“…We demonstrate a superconducting resonator with variable coupling to a measurement transmission line. The resonator coupling can be adjusted through zero to a…”
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Strong environmental coupling in a Josephson parametric amplifier by Mutus, J. Y., White, T. C., Barends, R., Chen, Yu, Chen, Z., Chiaro, B., Dunsworth, A., Jeffrey, E., Kelly, J., Megrant, A., Neill, C., O'Malley, P. J. J., Roushan, P., Sank, D., Vainsencher, A., Wenner, J., Sundqvist, K. M., Cleland, A. N., Martinis, John M.

“…We present a lumped-element Josephson parametric amplifier designed to operate with strong coupling to the environment. In this regime, we observe broadband…”
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Digitized adiabatic quantum computing with a superconducting circuit by Barends, R., Shabani, A., Lamata, L., Kelly, J., Mezzacapo, A., Heras, U. Las, Babbush, R., Fowler, A. G., Campbell, B., Chen, Yu, Chen, Z., Chiaro, B., Dunsworth, A., Jeffrey, E., Lucero, E., Megrant, A., Mutus, J. Y., Neeley, M., Neill, C., O’Malley, P. J. J., Quintana, C., Roushan, P., Sank, D., Vainsencher, A., Wenner, J., White, T. C., Solano, E., Neven, H., Martinis, John M.

“…A digitized approach to adiabatic quantum computing, combining the generality of the adiabatic algorithm with the universality of the digital method, is…”
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State preservation by repetitive error detection in a superconducting quantum circuit by Kelly, J., Barends, R., Fowler, A. G., Megrant, A., Jeffrey, E., White, T. C., Sank, D., Mutus, J. Y., Campbell, B., Chen, Yu, Chen, Z., Chiaro, B., Dunsworth, A., Hoi, I.-C., Neill, C., O’Malley, P. J. J., Quintana, C., Roushan, P., Vainsencher, A., Wenner, J., Cleland, A. N., Martinis, John M.

“…A quantum error correction scheme is demonstrated in a system of superconducting qubits, and repeated quantum non-demolition measurements are used to track…”
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