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Displaying 201 - 225 of 9846

The Complexity and Verification of Quantum Random Circuit Sampling

October 29, 2018
Author(s)
Adam Bouland, William J. Fefferman, Chinmay Nirkhe, Umesh Vazirani
… A critical milestone on the path to useful quantum computers is the demonstration of a quantum computation that is prohibitively hard for classical computers -- a task referred to as quantum supremacy. A leading near-term candidate is sampling … Random Circuit Sampling, RCS, quantum circuits …

Accelerating Scientific Discovery through Computation and Visualization III. Tight-binding Wave Functions for Quantum Dots

June 2, 2008
Author(s)
James S. Sims, John G. Hagedorn, Steven G. Satterfield, Terence J. Griffin, William L. George, Howard Hung, John T. Kelso, Thomas M. Olano, Adele P. Peskin, Judith E. Terrill, Garnett W. Bryant, Jose G. Diaz
… computing, MPI, nanotechnology, parallel computing, quantum dots, RAVE, tight-binding, virtual measurements, … Accelerating Scientific Discovery through Computation and Visualization III. Tight-binding Wave Functions for Quantum Dots …

Experimental Primer on the Trapped Ion Quantum Computer,

January 1, 1998
Author(s)
David J. Wineland, C Monroe, Wayne M. Itano, B E. King, Dietrich G. Leibfried, D M. Meekhof, C J. Myatt, Chris S. Wood
… The development of a quantum computer based on a system of trapped atomic ions is … Experimental Primer on the Trapped Ion Quantum Computer, …

Quantum Critical Behavior in the Asymptotic Limit of High Disorder in the Medium Entropy Alloy NiCoCr 0.8

June 29, 2017
Author(s)
Brian C. Sales, Ke Jin, Hongbin Bei, John Nichols, Matthew F. Chisholm, F. May, Nicholas Butch, Andrew D. Christianson, Michael A. McGuire
… the critical exponents associated with a ferromagnetic quantum critical point (FQCP) are experimentally determined … solid solutions thus represent a unique platform to study quantum critical behavior in a highly class of materials. … Nature Partner Journals Quantum Materials …

Coupling Efficiencies in Single-Photon On-Demand Sources

February 1, 2004
Author(s)
Stefania Castelletto, Ivo P. Degiovanni, M J. Ware, Alan L. Migdall
… Many quantum computation and communication schemes require, or … Downconversion, fiber coupling, parametric, quantum communication … Quantum Communications and Quantum Imaging, Conference | | Quantum Communications and …

Lattice-Based Quantum Advantage from Rotated Measurements

October 18, 2022
Author(s)
Yusuf Alnawakhtha, Atul Mantri, Carl A. Miller, Daochen Wang
… interactions between a classical client and a quantum server. Typically, a protocol has the quantum server prepare a superposition of two bit strings … learning with errors, interactive proofs, delegated quantum computing, proofs of quantumness … Lattice-Based Quantum Advantage from Rotated Measurements …

Wavelength bistability and switching in two-section quantum-dot diode lasers

June 1, 2010
Author(s)
Mingming M. Feng, Kevin L. Silverman, Richard P. Mirin, Steven T. Cundiff
… bias on the saturable absorbers in two-section mode-locked quantum dot lasers. We show data from three different devices … self-saturation properties in gain and absorber, and the quantum-confined Stark effect in absorber. The measured … IEEE Journal of Quantum Electronics …

Symposium on Computer-Supported Cooperative Work

June 1, 1999
Author(s)
Kevin L. Mills
… context by identifying some of the key challenges faced by computer science researchers who aim to help us work … asynchronous collaboration, computer-supported collaborative work, human-computer interaction, information management, multimedia … Symposium on Computer-Supported Cooperative Work …

Java and Numerical Computing

April 1, 2001
Author(s)
Ronald F. Boisvert, J Moreira, M Philippsen, Roldan Pozo
… advantages and disadvantages of using Java for numerical computing. We provide examples of current performance levels … Computing in Science & Engineering … mathematical software, programming languages, scientific computing, virtual machines … Java and Numerical Computing …

Lower Bounds on Quantum Annealing Times

April 5, 2023
Author(s)
Luis Pedro Garcia-Pintos, Lucas Brady, Jacob Bringewatt, Yi-Kai Liu
… to prepare a target state much faster with more general quantum annealing protocols, rigorous results beyond the … lower bounds on the time needed to successfully perform quantum annealing. The bounds are asymptotically saturated by … superpositions of energy eigenstates, singling out quantum coherence as a computational resource. …

Artificial intelligence for search and discovery of quantum materials

October 13, 2021
Author(s)
Aaron Kusne, Takeuchi Ichiro, Valentin Stanev, Johnpierre Paglione
… particle physics, and climate science. In the arena of quantum materials, the rise of new experimental and … use of data-driven approaches is changing the landscape of quantum materials research. From rapid construction and … to becoming the lynchpin in the search and discovery of quantum materials. …

Machine Learning techniques for state recognition and auto-tuning in quantum dots

January 20, 2019
Author(s)
Sandesh Kalantre, Justyna Zwolak, Stephen Ragole, Xingyao Wu, Neil M. Zimmerman, Michael Stewart, Jacob Taylor
… Recent progress in building large-scale quantum devices for exploring quantum computing and simulation paradigms has relied upon … i.e. tuning up devices. In many cases, including in quantum-dot based architectures, the parameter space grows … npj Quantum Information …

Getting Ready for Post-Quantum Cryptography: Exploring Challenges Associated with Adopting and Using Post-Quantum Cryptographic Algorithms

April 28, 2021
Author(s)
Murugiah Souppaya, Tim Polk, William Barker
… communicate and store. The paper describes the impact of quantum computing technology on classical cryptography, … also introduces adoption challenges associated with post-quantum cryptography after the standardization process is completed. Planning requirements for migration to post-quantum cryptography are discussed. The paper concludes with …

Trapped Ion Quantum Information Processing with Squeezed Phonons

January 24, 2019
Author(s)
Wenchao Ge, Brian Sawyer, Joseph W. Britton, Kurt Jacobs, John Bollinger, Michael Foss-Feig
… Trapped ions offer a pristine platform for quantum computation and simulation, but improving their … how it can enhance collective spin states useful for quantum metrology, and how it can improve the speed and … systems, an important ingredient for scalable trapped ion quantum computation. Our results are also directly relevant …

Trapped atomic ions and quantum information processing

July 16, 2006
Author(s)
David J. Wineland, Dietrich G. Leibfried, James C. Bergquist, Brad R. Blakestad, John J. Bollinger, Joseph W. Britton, J Chiaverini, Ryan Epstein, David Hume, Wayne M. Itano, John D. Jost, Emanuel H. Knill, Jeroen Koelemeij, C. Langer, R Ozeri, Rainer Reichle, Till P. Rosenband, Tobias Schaetz, Piet Schmidt, Signe Seidelin, Nobuyasu Shiga, Janus Wesenberg
… The basic requirements for quantum computing and quantum simulation (Single- and multi-qubit gates, long memor … and scalable processing. In the near term, some simle quantum processing protocols are being used to adin in … atom trapping and cooling, quantum control, quantum information processing, …

Quantum Dot Dissemination and Behavior in Bacterial Biofilms

May 7, 2006
Author(s)
Jayne B. Morrow, Richard D. Holbrook, Cynthia J. Zeissler
… Quantum dots (QDs) are colloidal semiconductor nanocrystals … biofilms were dependent on the size and chemistry of the quantum dots and agreed well with predicted attractive … quantum dots, bacterial biofilms, interaction energy … Quantum Dot Dissemination and Behavior in Bacterial Biofilms …

Single-qubit-gate error below 10 -4 in a trapped ion

September 14, 2011
Author(s)
Kenton R. Brown, Andrew C. Wilson, Yves Colombe, Christian Ospeklaus, Adam M. Meier, Emanuel H. Knill, Dietrich G. Leibfried, David J. Wineland
… In theory, quantum computers can solve certain problems much more … efforts to construct and verify devices that manipulate quantum bits (qubits) in a variety of physical systems [2]. … commonly considered sufficient for fault-tolerant quantum computing [3, 4]. The qubit is realized with two hyperfine …

Quantum interference enables constant-time quantum information processing

July 19, 2019
Author(s)
Thomas Gerrits, Sae Woo Nam, Adriana E. Lita, M. Stobinska, A. Buraczewski, M. Moore, W.R. Clements, J.J. Renema, W.S. Kolthammer, A. Eckstein, I.A. Walmsley
… fast information processing can be performed and whether quantum effects can speed up the best existing solutions. … Here, we report a one-step computation of a fractional quantum KT. The quantum d-nary (qudit) architecture we use … quantum information processing, large photon number states, …

Ultra-high spectral resolution spectrometer for single photon source characterization

May 14, 2018
Author(s)
Lijun Ma, Oliver T. Slattery, Xiao Tang
… In future quantum communication systems, single photons will be … and accurate wavelengths for efficient interaction with quantum memories. Spectral characterization of such single … spectrum measurement, quantum communication, single photon source, quantum memory, …

Perfect Quantum State Transfer With Superconducting Phase Qubits

October 16, 2008
Author(s)
Frederick Strauch, Carl J. Williams
… Superconducting quantum circuits, fabricated with multiple layers, are proposed to implement perfect quantum state transfer between nodes of a hypercube network. … devices such as the phase qubit, each node can transmit quantum information to any other node at a constant rate …

Computers Forensics Guidance

November 30, 2001
Author(s)
G E. Fisher
… for use in investigations of crimes that involve computers. The second, the Computer Forensics Tool Testing … Computers Forensics Guidance … Computers Forensics Guidance …

Fast Quantum Gates for Neutral Atoms

September 1, 2000
Author(s)
D Jaksch, J I. Cirac, W.H. Zoller, S L. Rolston, R Cote, M D. Lukin
… propose several schemes for implementing a fast two-qubit quantum gate for neutral atoms with the gate operation time … optical lattice quantum computer, quantum gate, Rydberg atom … Fast Quantum Gates for Neutral Atoms …
Displaying 201 - 225 of 9846
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