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Topic Area: Physics
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Displaying records 671 to 680 of 733 records.
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671. Time Through the Air
Topic: Physics
Published: 3/23/2011
Author: John P Lowe
Abstract: A brief history of the NIST WWVB low frequency (LF) radio station. This includes recent attempts at creating a sister station on the eastern side of the United States and future plans for upgrade of the existing station.

672. Time Transfer Using a Satellite Navigation System
Topic: Physics
Published: 1/1/2013
Author: Judah Levine
Abstract: Article does not have an abstract. It was solicited by the editors of the yearbook and was written based on their detailed comments about the topics to be covered, the technical detail, etc. It is intended for high-school students and contains materi ...

673. Time and Frequency Transfer Activities at NIST
Topic: Physics
Published: 12/1/2008
Authors: Victor Shufang Zhang, Michael A Lombardi
Abstract: The National Institute of Standards and Technology (NIST) maintains one of the world s most accurate and stable time scales, and also developed and maintains the primary frequency standard for the United States. Various techniques are used to compare ...

674. Time domain measurement of phase noise in a spin torque oscillator
Topic: Physics
Published: 5/13/2009
Authors: Mark W Keller, Anthony B Kos, Thomas J Silva, William H Rippard, Matthew R Pufall
Abstract: We measure phase noise from the zero crossings of the voltage vs. time waveform of a spin torque nanocontact oscillating in a vortex mode. The power spectrum of the phase noise varies with Fourier frequency f as 1/f^u2^, consistent with frequency ...

675. Time-resolved Measurements of Energy Transfer at Surface
Topic: Physics
Published: 1/1/1993
Authors: Richard R Cavanagh, Edwin J Heilweil, John C. Stephenson

676. Time-resolved double-slit interference pattern measurement with entangled photons
Topic: Physics
Published: 4/28/2014
Authors: Lynden Krister Shalm, Thomas Jennewein, Kevin Resch, Piotr Kolenderski, Carmelo Scarcella, Kelsey D. Johnsen Johnsen, Deny Hamel, Cahterine Holloway, Simone Tisa, Alberto Tosi
Abstract: The double-slit experiment strikingly demonstrates the wave-particle duality of quantum objects. In this famous experiment, particles pass one-by-one through a pair of slits and are detected on a distant screen. A distinct wave-like pattern emerg ...

677. Timing in Telecommunications Networks
Topic: Physics
Published: 7/20/2011
Author: Judah Levine
Abstract: I describe the statistical considerations used to design systems whose clocks are compared using dial-up telephone lines or the Internet to exchange timing informaiton. The comparison is usually used to synchronize the time of a client system to the ...

678. Toward Spin Squeezing with Trapped Ions
Topic: Physics
Published: 9/23/2010
Authors: John J Bollinger, Hermann Uys, Michael Biercuk, Joseph Wright Britton
Abstract: Building robust instruments capable of making interferometric measurements with precision beyond the standard quantum limit remains an important goal in many metrology laboratories. We describe here the basic concepts underlying spin squeezing experi ...

679. Toward scalable ion traps for quantum information processing
Topic: Physics
Published: 3/16/2010
Authors: Jason Amini, Hermann Uys, Janus H. Wesenberg, Signe Seidelin, Joseph Wright Britton, John J Bollinger, Dietrich G Leibfried, Christian Ospelkaus, Aaron Vandevender, David J Wineland
Abstract: The basic components for a quantum information processor using trapped ions have been demonstrated in a number of experiments. To perform complex algorithms that are not tractable with classical computers, these components need to be integrated and s ...

680. Towards Quantum Degeneracy of Bosonic and Fermionic Potassium Atoms
Topic: Physics
Published: 11/1/1999
Authors: F S Cataliotti, Eric A Cornell, C Fort, M Inguscio, M Prevedelli, G M Tino
Abstract: These notes are devoted to a discussion of the results we obtained during the last two years in experiments of confinement and cooling of bosonic and fermionic potassium atoms towards quantum degeneracy. Further details on these experiments can be f ...

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