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Displaying 1101 - 1125 of 3643

Interacting Atoms Under Strong Quantum Confinement

June 1, 2000
Author(s)
Eite Tiesinga, Carl J. Williams, F H. Mies, Paul S. Julienne
… of the level shifts and collisional decoherence for quantum computing with atomic systems are given. … Interacting Atoms Under Strong Quantum Confinement …

Resonant interaction of trapped cold atoms with a magnetic cantilever tip

June 26, 2015
Author(s)
John E. Kitching, Chris Montoya, Jose Valencia, Andrew A. Geraci, Matt Eardley, John M. Moreland
… single-spin sensitivity, leading to new capabilities in quantum computation, quantum simulation, or precision sensing. … cantilever, force detection, laser cooling, micromachining, quantum information …

Electron Counting Capacitance Standard with an improved five-junction R-pump

November 7, 2011
Author(s)
Benedetta Camarota, Hansjoerg Scherer, Sergey Lotkhov, Gerd-Dietmar Willenberg, Franz Josef Ahlers, Mark W. Keller
… currently pursued at PTB, aims at the closure of the Quantum Metrological Triangle with a final precision of a few … The preliminary result for the single-electron charge quantum has an uncertainty of less than two parts in 10 6 and … single-electron tunneling, quantum metrology triangle, capacitance standard …

Orientation Dependence of the Magnetic Phase Diagram of Yb 2 Ti 2 O 7

May 21, 2020
Author(s)
S. Saubert, A. Scheie, C. Duvinage, J. Kindervater, S. Zhang, H. J. Changlani, Guangyong Xu, S. M. Koohpayeh, O. Tchernyshyov, Collin L. Broholm, C. Pfleiderer
… In the quest to realize a quantum spin liquid (QSL), magnetic long-range order is … well as the anisotropy of the upper critical field in the quantum limit. … neutron scattering, quantum spin liquid …

Characterization of high-purity, pulsed squeezed light at telecom wavelengths from pp-KTP for quantum information applications

December 1, 2010
Author(s)
Thomas Gerrits, Burm Baek, Martin J. Stevens, Brice R. Calkins, Adriana E. Lita, Scott C. Glancy, Emanuel H. Knill, Sae Woo Nam, Richard P. Mirin, Robert Hadfield, Ryan Bennink, Warren Grice, Sander N. Dorenbos, Tony Zijlstra, Teun Klapwijk, Val Zwiller
… optical squeezing in a single mode is highly desirable for quantum information applications such as continuous variable quantum computing and the generation of optical Schrödinger … are subtracted from squeezed light. Both the created quantum state and the subtracted photons must overlap with …

Experimental Determination of the Motional Quantum State of a Trapped Atom

January 1, 1996
Author(s)
Dietrich G. Leibfried, D M. Meekhof, B E. King, C Monroe, Wayne M. Itano, David J. Wineland
… the density matrices and Wigner functions for various quantum states of motion of a harmonically bound 9Be+ ion. We … Experimental Determination of the Motional Quantum State of a Trapped Atom …

Direct Observation of Zitterbewegung in a Bose-Einstein condensate

July 3, 2013
Author(s)
Lindsay J. LeBlanc, Matthew Beeler, Karina Jimenez-Garcia, Abigail R. Perry, Seiji Sugawa, Ross Williams, Ian B. Spielman
… consequence of the Dirac equation's unification of quantum mechanics and special relativity. Though the … with electrons, zitterbewegung is observable via quantum simulation. We engineered an environment for 87Rb … clouds, demonstrating the utility of neutral ultracold quantum gases for simulating Dirac particles. …

1310 nm Differential Phase Shift QKD System Using Superconducting Single Photon Detectors

April 30, 2009
Author(s)
Xiao Tang, Lijun Ma, Sae Woo Nam, Burm Baek, Oliver T. Slattery, Alan Mink, Hai Xu, Tiejun Chang
… We have implemented a differential-phase-shift (DPS) quantum key distribution (QKD) system at 1310 nm with … and its dark counts are very low. 1310 nm is an ideal quantum signal wavelength for a QKD system, where quantum signals coexist with classical communication signals …

Chiral Rashba Spin Textures in Ultra-Cold Fermi Gases

April 21, 2011
Author(s)
Ian B. Spielman, Jay Sau, Rajdeep Sensarma, Stephen Powell, Sankar Das Sarma
… with its potential application in topological quantum computation. The absence of disorder in ultra-cold atomic systems make them ideal for quantum computation applications, however, the spin-orbit … Bose Einstein Condensation, quantum phase transitions …

Nanosecond-scale timing jitter in transition edge sensors at telecom and visible wavelengths

June 10, 2013
Author(s)
Antia A. Lamas-Linares, Brice R. Calkins, Nathan A. Tomlin, Thomas Gerrits, Adriana Lita, Joern Beyer, Richard Mirin, Sae Woo Nam
… detection in the visible and near infrared. Experiments in quantum information and foundations of physics that rely on … as loophole free Bell inequalities and device independent quantum cryptography. … Transition edge sensor, Single photon detector, Quantum optics …

Superposition, Entanglement, and Raising Schroedinger's Cat

July 12, 2013
Author(s)
David J. Wineland
… December 2012. The paper briefly summarizes experiments on quantum state manipulaiton and measurement in the context of … atomic clocks, atomic spectroscopy, laser cooling, quantum information processing, quantum state engineering, trapped atomic ions …

Frequency Up-conversion Single Photon Detectors for Quantum Communication Systems

April 27, 2011
Author(s)
Lijun Ma, Oliver T. Slattery, Xiao Tang, Joshua Bienfang
… infrared photons, as has been demonstrated in fiber-based quantum communication systems. In a continuous wave pumped … visible range, which limits the maximum clock rate of a quantum communication system. In this paper we describe a … Frequency Up-conversion Single Photon Detectors for Quantum Communication Systems …

Phase Diagram of YbZnGaO 4 in Applied Magnetic Field

September 15, 2021
Author(s)
William Steinhardt, P. A. Maksimov, Sachith Dissanayake, Zhenzhong Shi, Nicholas Butch, David Graf, Andrey Podlesnyak, Yaohua Liu, Yang Zhao, Guangyong Xu, Jeffrey Lynn, Casey Marjerrison, A. L. Chernyshev, Sara Haravifard
… have garnered significant interest as possible quantum spin liquid candidates. One example is YbMgGaO 4 , … Nature Partner Journals Quantum Materials …

Epitaxial Graphene for High-Current QHE Resistance Standards

July 9, 2018
Author(s)
Mattias Kruskopf, Jiuning Hu, Bi Y. Wu, Yanfei Yang, Hsin Y. Lee, Albert F. Rigosi, David B. Newell, Randolph E. Elmquist
… improvements. Magneto-transport measurements on graphene quantum Hall effect devices demonstrate the applicability for high-current quantum resistance metrology. … face-to-graphite (FTG), polymer-assisted growth (PASG), quantum resistance metrology …

From the Mise-en-pratique for Mass to the Future of Metrology for the SI

December 1, 2017
Author(s)
Carl J. Williams
… definition. Yet the volt and the ohm, which are based on quantum phenomena (the Josephson effect for the volt; the quantum Hall effect for the ohm), are so metrologically … International System of Units, Quantum Based Measurements, Quantum Metrology, Mise-en-pratique for mass …

Pulse-Driven High-Tc Josephson Junctions for Quantum Voltage Devices

July 28, 2019
Author(s)
Adam C. Weis, Nathan E. Flowers-Jacobs, E Y. Choi, H Li, J C. LeFebvre, Shane Cybart, Stuart Berkowitz, Horst Rogalla, Samuel P. Benz
… Josephson junction arrays are the basis for quantum-accurate dc and ac voltage standards, including … Pulse-Driven High-Tc Josephson Junctions for Quantum Voltage Devices …

Quantum Effects on Curve Crossing in a Bose-Einstein Condensate

April 1, 2002
Author(s)
V Yurovsky, A Ben-Reuven, Paul S. Julienne
… multiplied by an exponential amplification factor due to quantum many-body effects. The atomic pairs are formed in an … Quantum Effects on Curve Crossing in a Bose-Einstein …

Breaking Category Five SPHINCS+ with SHA-256

September 28, 2022
Author(s)
Ray Perlner, David Cooper, John M. Kelsey
… Hash-based signatures, Post-Quantum Cryptography, SPHINCS+ … 2022: The Thirteenth International Conference on Post-Quantum Cryptography …
Displaying 1101 - 1125 of 3643
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