Search Results - "Smolin, John A."

Trading Classical and Quantum Computational Resources by Bravyi, Sergey, Smith, Graeme, Smolin, John A.

“…We propose examples of a hybrid quantum-classical simulation where a classical computer assisted by a small quantum processor can efficiently simulate a larger…”
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Implementing a strand of a scalable fault-tolerant quantum computing fabric by Chow, Jerry M., Gambetta, Jay M., Magesan, Easwar, Abraham, David W., Cross, Andrew W., Johnson, B R, Masluk, Nicholas A., Ryan, Colm A., Smolin, John A., Srinivasan, Srikanth J., Steffen, M

“…With favourable error thresholds and requiring only nearest-neighbour interactions on a lattice, the surface code is an error-correcting code that has garnered…”
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Simple all-microwave entangling gate for fixed-frequency superconducting qubits by Chow, Jerry M, Córcoles, A D, Gambetta, Jay M, Rigetti, Chad, Johnson, B R, Smolin, John A, Rozen, J R, Keefe, George A, Rothwell, Mary B, Ketchen, Mark B, Steffen, M

“…We demonstrate an all-microwave two-qubit gate on superconducting qubits which are fixed in frequency at optimal bias points. The gate requires no additional…”
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Characterization of addressability by simultaneous randomized benchmarking by Gambetta, Jay M, Córcoles, A D, Merkel, S T, Johnson, B R, Smolin, John A, Chow, Jerry M, Ryan, Colm A, Rigetti, Chad, Poletto, S, Ohki, Thomas A, Ketchen, Mark B, Steffen, M

“…The control and handling of errors arising from cross talk and unwanted interactions in multiqubit systems is an important issue in quantum information…”
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Laser-annealing Josephson junctions for yielding scaled-up superconducting quantum processors by Hertzberg, Jared B., Zhang, Eric J., Rosenblatt, Sami, Magesan, Easwar, Smolin, John A., Yau, Jeng-Bang, Adiga, Vivekananda P., Sandberg, Martin, Brink, Markus, Chow, Jerry M., Orcutt, Jason S.

“…As superconducting quantum circuits scale to larger sizes, the problem of frequency crowding proves a formidable task. Here we present a solution for this…”
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Entanglement of two superconducting qubits in a waveguide cavity via monochromatic two-photon excitation by Poletto, S, Gambetta, Jay M, Merkel, Seth T, Smolin, John A, Chow, Jerry M, Córcoles, A D, Keefe, George A, Rothwell, Mary B, Rozen, J R, Abraham, D W, Rigetti, Chad, Steffen, M

“…We report a system where fixed interactions between noncomputational levels make bright the otherwise forbidden two-photon |00}→|11} transition. The system is…”
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Demonstration of quantum advantage in machine learning by Ristè, Diego, da Silva, Marcus P., Ryan, Colm A., Cross, Andrew W., Córcoles, Antonio D., Smolin, John A., Gambetta, Jay M., Chow, Jerry M., Johnson, Blake R.

“…The main promise of quantum computing is to efficiently solve certain problems that are prohibitively expensive for a classical computer. Most problems with a…”
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Do black holes create polyamory? by Grudka, Andrzej, Hall, Michael J. W., Horodecki, Michał, Horodecki, Ryszard, Oppenheim, Jonathan, Smolin, John A.

“…A bstract Of course not, but if one believes that information cannot be destroyed in a theory of quantum gravity, then we run into apparent contradictions with…”
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Quantification of entanglement and coherence with purity detection by Zhang, Ting, Smith, Graeme, Smolin, John A., Liu, Lu, Peng, Xu-Jie, Zhao, Qi, Girolami, Davide, Ma, Xiongfeng, Yuan, Xiao, Lu, He

“…Entanglement and coherence are fundamental properties of quantum systems, promising to power near-future quantum technologies, such as quantum computation,…”
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Locking classical correlations in quantum States by DiVincenzo, David P, Horodecki, Michał, Leung, Debbie W, Smolin, John A, Terhal, Barbara M

“…We show that there exist bipartite quantum states which contain a large locked classical correlation that is unlocked by a disproportionately small amount of…”
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Three-Qubit Randomized Benchmarking by McKay, David C, Sheldon, Sarah, Smolin, John A, Chow, Jerry M, Gambetta, Jay M

“…As quantum circuits increase in size, it is critical to establish scalable multiqubit fidelity metrics. Here we investigate, for the first time, three-qubit…”
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Efficient method for computing the maximum-likelihood quantum state from measurements with additive Gaussian noise by Smolin, John A, Gambetta, Jay M, Smith, Graeme

“…We provide an efficient method for computing the maximum-likelihood mixed quantum state (with density matrix ρ) given a set of measurement outcomes in a…”
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High Performance Single-Error-Correcting Quantum Codes for Amplitude Damping by Shor, P. W., Smith, G., Smolin, J. A., Bei Zeng

“…We construct families of high performance quantum amplitude damping codes. All of our codes are nonadditive and most modestly outperform the best possible…”
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Generic Nonadditivity of Quantum Capacity in Simple Channels by Leditzky, Felix, Leung, Debbie, Siddhu, Vikesh, Smith, Graeme, Smolin, John A

“…Determining capacities of quantum channels is a fundamental question in quantum information theory. Despite having rigorous coding theorems quantifying the…”
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Oversimplifying quantum factoring by Smolin, John A., Smith, Graeme, Vargo, Alexander

“…Building a device capable of factoring large numbers is a major goal of quantum computing; an algorithm for quantum factoring (Shor’s algorithm) exists, and a…”
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The Platypus of the Quantum Channel Zoo by Leditzky, Felix, Leung, Debbie, Siddhu, Vikesh, Smith, Graeme, Smolin, John A.

“…Understanding quantum channels and the strange behavior of their capacities is a key objective of quantum information theory. Here we study a remarkably…”
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Quantum communication with Gaussian channels of zero quantum capacity by Smith, Graeme, Smolin, John A., Yard, Jon

“…As with classical information 1 , 2 , error-correcting codes enable reliable transmission of quantum information through noisy or lossy channels 3 , 4 , 5 . In…”
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Nonlinear spectroscopy of superconducting anharmonic resonators by DiVincenzo, David P, Smolin, John A

“…We formulate a model for the steady state response of a nonlinear quantum oscillator structure, such as those used in a variety of superconducting qubit…”
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Unextendible product bases, uncompletable product bases and bound entanglement by DIVINCENZO, David P, MOR, Tal, SHOR, Peter W, SMOLIN, John A, TERHAL, Barbara M

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Universal quantum gate set approaching fault-tolerant thresholds with superconducting qubits by Chow, Jerry M, Gambetta, Jay M, Córcoles, A D, Merkel, Seth T, Smolin, John A, Rigetti, Chad, Poletto, S, Keefe, George A, Rothwell, Mary B, Rozen, J R, Ketchen, Mark B, Steffen, M

“…We use quantum process tomography to characterize a full universal set of all-microwave gates on two superconducting single-frequency single-junction transmon…”
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