Search Results - "Boixo, S"

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…”
Get full text

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…”
Get full text

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…”
Get full text

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…”
Get full text

Quantum simulations of classical annealing processes by Somma, R D, Boixo, S, Barnum, H, Knill, E

“…We describe a quantum algorithm that solves combinatorial optimization problems by quantum simulation of a classical simulated annealing process. Our algorithm…”
Get full text

Operational interpretation for global multipartite entanglement by Boixo, S, Monras, A

“…We introduce an operational interpretation for pure-state global multipartite entanglement based on quantum estimation. We show that the estimation of the…”
Get full text

Entanglement in a Quantum Annealing Processor by Lanting, T., Przybysz, A. J., Smirnov, A. Yu, Spedalieri, F. M., Amin, M. H., Berkley, A. J., Harris, R., Altomare, F., Boixo, S., Bunyk, P., Dickson, N., Enderud, C., Hilton, J. P., Hoskinson, E., Johnson, M. W., Ladizinsky, E., Ladizinsky, N., Neufeld, R., Oh, T., Perminov, I., Rich, C., Thom, M. C., Tolkacheva, E., Uchaikin, S., Wilson, A. B., Rose, G.

“…Entanglement lies at the core of quantum algorithms designed to solve problems that are intractable by classical approaches. One such algorithm, quantum…”
Get full text

Local quantum measurement and no-signaling imply quantum correlations by Barnum, H, Beigi, S, Boixo, S, Elliott, M B, Wehner, S

“…We show that, assuming that quantum mechanics holds locally, the finite speed of information is the principle that limits all possible correlations between…”
Get full text

Computational complexity of time-dependent density functional theory by Whitfield, J D, Yung, M-H, Tempel, D G, Boixo, S, Aspuru-Guzik, A

“…Time-dependent density functional theory (TDDFT) is rapidly emerging as a premier method for solving dynamical many-body problems in physics and chemistry. The…”
Get full text

Direct measurement of nonlocal interactions in the many-body localized phase by Chiaro, B., Neill, C., Bohrdt, A., Filippone, M., Arute, F., Arya, K., Babbush, R., Bacon, D., Bardin, J., Barends, R., Boixo, S., Buell, D., Burkett, B., Chen, Y., Chen, Z., Collins, R., Dunsworth, A., Farhi, E., Fowler, A., Foxen, B., Gidney, C., Giustina, M., Harrigan, M., Huang, T., Isakov, S., Jeffrey, E., Jiang, Z., Kafri, D., Kechedzhi, K., Kelly, J., Klimov, P., Korotkov, A., Kostritsa, F., Landhuis, D., Lucero, E., McClean, J., Mi, X., Megrant, A., Mohseni, M., Mutus, J., McEwen, M., Naaman, O., Neeley, M., Niu, M., Petukhov, A., Quintana, C., Rubin, N., Sank, D., Satzinger, K., White, T., Yao, Z., Yeh, P., Zalcman, A., Smelyanskiy, V., Neven, H., Gopalakrishnan, S., Abanin, D., Knap, M., Martinis, J., Roushan, P.

“…The interplay of interactions and strong disorder can lead to an exotic quantum many-body localized (MBL) phase of matter. Beyond the absence of transport, the…”
Get full text

Entanglement and complexity of interacting qubits subject to asymmetric noise by Kapit, E., Roushan, P., Neill, C., Boixo, S., Smelyanskiy, V.

“…The simulation complexity of predicting the time evolution of delocalized many-body quantum systems has attracted much recent interest, and simulations of such…”
Get full text

Generalized coherent states as preferred states of open quantum systems by Boixo, S, Viola, L, Ortiz, G

“…We investigate the connection between quasi-classical (pointer) states and generalized coherent states (GCSs) within an algebraic approach to Markovian quantum…”
Get full text

Effective quantum volume, fidelity and computational cost of noisy quantum processing experiments by Kechedzhi, K., Isakov, S.V., Mandrà, S., Villalonga, B., Mi, X., Boixo, S., Smelyanskiy, V.

“…Today’s experimental noisy quantum processors can compete with and surpass all known algorithms on state-of-the-art supercomputers for the computational…”
Get full text

Necessary condition for the quantum adiabatic approximation by Boixo, S., Somma, R. D.

“…A gapped quantum system that is adiabatically perturbed remains approximately in its eigenstate after the evolution. We prove that, for constant gap, general…”
Get full text

Fast quantum methods for optimization by Boixo, S., Ortiz, G., Somma, R.

“…Discrete combinatorial optimization consists in finding the optimal configuration that minimizes a given discrete objective function. An interpretation of such…”
Get full text

Operational interpretations of quantum discord by Cavalcanti, D., Aolita, L., Boixo, S., Modi, K., Piani, M., Winter, A.

“…Quantum discord quantifies nonclassical correlations beyond the standard classification of quantum states into entangled and unentangled. Although it has…”
Get full text

Effective quantum volume, fidelity and computational cost of noisy quantum processing experiments by Kechedzhi, K, Isakov, S. V, Mandrà, S, Villalonga, B, Mi, X, Boixo, S, Smelyanskiy, V

“…Future Generation Computer Systems, 153, 431-441 (2024) Today's experimental noisy quantum processors can compete with and surpass all known algorithms on…”
Get full text

Probing Environmental Spin Polarization with Superconducting Flux Qubits by Lanting, T, Amin, M. H, Baron, C, Babcock, M, Boschee, J, Boixo, S, Smelyanskiy, V. N, Foygel, M, Petukhov, A. G

“…We present measurements of the dynamics of a polarized magnetic environment coupled to the flux degree of freedom of rf-SQUID flux qubits. The qubits are used…”
Get full text

Accurately computing electronic properties of a quantum ring by Neill, C, McCourt, T, Mi, X, Jiang, Z, Niu, M. Y, Mruczkiewicz, W, Aleiner, I, Arute, F, Arya, K, Atalaya, J, Babbush, R, Bardin, J. C, Barends, R, Bengtsson, A, Bourassa, A, Broughton, M, Buckley, B. B, Buell, D. A, Burkett, B, Bushnell, N, Campero, J, Chen, Z, Chiaro, B, Collins, R, Courtney, W, Demura, S, Derk, A. R, Dunsworth, A, Eppens, D, Erickson, C, Farhi, E, Fowler, A. G, Foxen, B, Gidney, C, Giustina, M, Gross, J. A, Harrigan, M. P, Harrington, S. D, Hilton, J, Ho, A, Hong, S, Huang, T, Huggins, W. J, Isakov, S. V, Jacob-Mitos, M, Jeffrey, E, Jones, C, Kafri, D, Kechedzhi, K, Kelly, J, Kim, S, Klimov, P. V, Korotkov, A. N, Kostritsa, F, Landhuis, D, Laptev, P, Lucero, E, Martin, O, McClean, J. R, McEwen, M, Megrant, A, Miao, K. C, Mohseni, M, Mutus, J, Naaman, O, Neeley, M, Newman, M, O'Brien, T. E, Opremcak, A, Ostby, E, Pato, B, Petukhov, A, Quintana, C, Redd, N, Rubin, N. C, Sank, D, Satzinger, K. J, Shvarts, V, Strain, D, Szalay, M, Trevithick, M. D, Villalonga, B, White, T. C, Yao, Z, Yeh, P, Zalcman, A, Neven, H, Boixo, S, Ioffe, L. B, Roushan, P, Chen, Y, Smelyanskiy, V

“…A promising approach to study condensed-matter systems is to simulate them on an engineered quantum platform. However, achieving the accuracy needed to…”
Get full text

Realizing topologically ordered states on a quantum processor by Satzinger, K. J, Liu, Y, Smith, A, Knapp, C, Newman, M, Jones, C, Chen, Z, Quintana, C, Mi, X, Dunsworth, A, Gidney, C, Aleiner, I, Arute, F, Arya, K, Atalaya, J, Babbush, R, Bardin, J. C, Barends, R, Basso, J, Bengtsson, A, Bilmes, A, Broughton, M, Buckley, B. B, Buell, D. A, Burkett, B, Bushnell, N, Chiaro, B, Collins, R, Courtney, W, Demura, S, Derk, A. R, Eppens, D, Erickson, C, Farhi, E, Foaro, L, Fowler, A. G, Foxen, B, Giustina, M, Greene, A, Gross, J. A, Harrigan, M. P, Harrington, S. D, Hilton, J, Hong, S, Huang, T, Huggins, W. J, Ioffe, L. B, Isakov, S. V, Jeffrey, E, Jiang, Z, Kafri, D, Kechedzhi, K, Khattar, T, Kim, S, Klimov, P. V, Korotkov, A. N, Kostritsa, F, Landhuis, D, Laptev, P, Locharla, A, Lucero, E, Martin, O, McClean, J. R, McEwen, M, Miao, K. C, Mohseni, M, Montazeri, S, Mruczkiewicz, W, Mutus, J, Naaman, O, Neeley, M, Neill, C, Niu, M. Y, O'Brien, T. E, Opremcak, A, Pató, B, Petukhov, A, Rubin, N. C, Sank, D, Shvarts, V, Strain, D, Szalay, M, Villalonga, B, White, T. C, Yao, Z, Yeh, P, Yoo, J, Zalcman, A, Neven, H, Boixo, S, Megrant, A, Chen, Y, Kelly, J, Smelyanskiy, V, Kitaev, A, Knap, M, Pollmann, F, Roushan, P

“…Science 374, 1237-1241 (2021) The discovery of topological order has revolutionized the understanding of quantum matter in modern physics and provided the…”
Get full text