A classical channel model for gravitational decoherence

Autor: D Kafri, J M Taylor, G J Milburn

Publikováno v: New Journal of Physics, Vol 16, Iss 6, p 065020 (2014)

We show that, by treating the gravitational interaction between two mechanical resonators as a classical measurement channel, a gravitational decoherence model results that is equivalent to a model first proposed by Diosi. The resulting decoherence m

Externí odkaz: https://doaj.org/article/eb3ea7b071eb4346a1bf7c265117a58b

Removing leakage-induced correlated errors in superconducting quantum error correction

Autor: M. McEwen, D. Kafri, Z. Chen, J. Atalaya, K. J. Satzinger, C. Quintana, P. V. Klimov, D. Sank, C. Gidney, A. G. Fowler, F. Arute, K. Arya, B. Buckley, B. Burkett, N. Bushnell, B. Chiaro, R. Collins, S. Demura, A. Dunsworth, C. Erickson, B. Foxen, M. Giustina, T. Huang, S. Hong, E. Jeffrey, S. Kim, K. Kechedzhi, F. Kostritsa, P. Laptev, A. Megrant, X. Mi, J. Mutus, O. Naaman, M. Neeley, C. Neill, M. Niu, A. Paler, N. Redd, P. Roushan, T. C. White, J. Yao, P. Yeh, A. Zalcman, Yu Chen, V. N. Smelyanskiy, John M. Martinis, H. Neven, J. Kelly, A. N. Korotkov, A. G. Petukhov, R. Barends

Publikováno v: Nature Communications, Vol 12, Iss 1, Pp 1-7 (2021)

Correlated errors coming from leakage out of the computational subspace are an obstacle to fault-tolerant superconducting circuits. Here, the authors use a multi-level reset protocol to improve the performances of a bit-flip error correcting code by

Externí odkaz: https://doaj.org/article/ef5bee6bb56f44459aef65280dc80df5

Formation of robust bound states of interacting microwave photons

Autor: A. Morvan, T. I. Andersen, X. Mi, C. Neill, A. Petukhov, K. Kechedzhi, D. A. Abanin, A. Michailidis, R. Acharya, F. Arute, K. Arya, A. Asfaw, J. Atalaya, J. C. Bardin, J. Basso, A. Bengtsson, G. Bortoli, A. Bourassa, J. Bovaird, L. Brill, M. Broughton, B. B. Buckley, D. A. Buell, T. Burger, B. Burkett, N. Bushnell, Z. Chen, B. Chiaro, R. Collins, P. Conner, W. Courtney, A. L. Crook, B. Curtin, D. M. Debroy, A. Del Toro Barba, S. Demura, A. Dunsworth, D. Eppens, C. Erickson, L. Faoro, E. Farhi, R. Fatemi, L. Flores Burgos, E. Forati, A. G. Fowler, B. Foxen, W. Giang, C. Gidney, D. Gilboa, M. Giustina, A. Grajales Dau, J. A. Gross, S. Habegger, M. C. Hamilton, M. P. Harrigan, S. D. Harrington, M. Hoffmann, S. Hong, T. Huang, A. Huff, W. J. Huggins, S. V. Isakov, J. Iveland, E. Jeffrey, Z. Jiang, C. Jones, P. Juhas, D. Kafri, T. Khattar, M. Khezri, M. Kieferová, S. Kim, A. Y. Kitaev, P. V. Klimov, A. R. Klots, A. N. Korotkov, F. Kostritsa, J. M. Kreikebaum, D. Landhuis, P. Laptev, K.-M. Lau, L. Laws, J. Lee, K. W. Lee, B. J. Lester, A. T. Lill, W. Liu, A. Locharla, F. Malone, O. Martin, J. R. McClean, M. McEwen, B. Meurer Costa, K. C. Miao, M. Mohseni, S. Montazeri, E. Mount, W. Mruczkiewicz, O. Naaman, M. Neeley, A. Nersisyan, M. Newman, A. Nguyen, M. Nguyen, M. Y. Niu, T. E. O’Brien, R. Olenewa, A. Opremcak, R. Potter, C. Quintana, N. C. Rubin, N. Saei, D. Sank, K. Sankaragomathi, K. J. Satzinger, H. F. Schurkus, C. Schuster, M. J. Shearn, A. Shorter, V. Shvarts, J. Skruzny, W. C. Smith, D. Strain, G. Sterling, Y. Su, M. Szalay, A. Torres, G. Vidal, B. Villalonga, C. Vollgraff-Heidweiller, T. White, C. Xing, Z. Yao, P. Yeh, J. Yoo, A. Zalcman, Y. Zhang, N. Zhu, H. Neven, D. Bacon, J. Hilton, E. Lucero, R. Babbush, S. Boixo, A. Megrant, J. Kelly, Y. Chen, V. Smelyanskiy, I. Aleiner, L. B. Ioffe, P. Roushan

Systems of correlated particles appear in many fields of science and represent some of the most intractable puzzles in nature. The computational challenge in these systems arises when interactions become comparable to other energy scales, which makes

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f94acd379facf279b7a7bab821a28bc5
https://resolver.caltech.edu/CaltechAUTHORS:20230314-845402300.28

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Accurately computing the electronic properties of a quantum ring

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

Publikováno v: Nature. 594(7864)

A promising approach to study condensed-matter systems is to simulate them on an engineered quantum platform

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::965a02cfa9ae5d228a23579992719617
https://pubmed.ncbi.nlm.nih.gov/34163052