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Topic Area: Atomic Physics
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Displaying records 21 to 30 of 76 records.
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21. Femtotesla atomic magnetometry in a microfabricated vapor cell
Topic: Atomic Physics
Published: 12/20/2010
Authors: William C. Griffith, Svenja A Knappe, John E Kitching
Abstract: We describe an optically pumped ^u87^Rb magnetometer with 4.5 fT/Hz^u1/2^ sensitivity when operated in the spin-exchange relaxation free (SERF) regime. The magnetometer uses a microfabricated vapor cell, consisting of a cavity etched in a 1 mm thick ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906531

22. Feshbach resonances in ultracold gases
Topic: Atomic Physics
Published: 4/29/2010
Authors: Chin P. Cheng, R Grimm, Paul S Julienne, Eite Tiesinga
Abstract: Feshbach resonances are the essential tool to control the interaction between atoms in ultracold quantum gases. They have found manifold experimental applications, opening up the way to important breakthroughs. This Review gives a broad coverage of t ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=900970

23. High Current Monochromatic Electron Source for Polarized Electron-Atom Scattering
Topic: Atomic Physics
Published: 7/12/1985
Authors: C Feigerle, Daniel Thornton Pierce, A Seiler, Robert Celotta
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620246

24. Large Angle Superelastic Electron Scattering from Na(3P)
Topic: Atomic Physics
Published: 6/28/1987
Authors: Jabez J McClelland, Michael H Kelley, Robert Celotta
Abstract: Measurements of superelastic scattering of 2eV electrons from oriented Na(3P) atoms have been carried out over the angular range 10 to 120{degree}. Results are presented in terms of L^d{perp}^, the angular momentum transferred perpendicular to the s ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620291

25. Laser Photodetachment Determination of the Electron Affinities of OH, NH^d2^, NH, SO^d2^, and S^d2^
Topic: Atomic Physics
Published: 3/1/1974
Authors: Robert Celotta, R Bennett, John L. Hall
Abstract: ^d^^d^^d^ Using a fixed frequency argon ion laser, we have studied the energy spectra of electron photodetached from OH^u-^, NH^d2^^u-^, NH^u-^, SO^d2^^u-^, and S^d2^^u-^. We determined the following electron affinities: E^dA^(OH) = 1.829^u+0.010^^d ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620073

26. Lattice Interferometer for Ultra-Cold Atoms
Topic: Atomic Physics
Published: 8/11/2009
Authors: Mikkel Andersen, Tycho Sleator
Abstract: We demonstrate an atomic interferometer based on ultra-cold atoms released from an optical lattice. This technique yields a large improvement in signal to noise over a related interferometer previously demonstrated. The interferometer involves diff ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=842609

27. Low-Frequency Characterization of MEMS-Based Portable Atomic Magnetometer
Topic: Atomic Physics
Published: 6/2/2010
Authors: Rahul Ramdas Mhaskar, Svenja A Knappe, John E Kitching
Abstract: Atomic magnetometers based on absorption or polarization rotation of light in an alkali vapor have recently demonstrated sensitivities rivaling those of superconducting quantum interference devices (SQUIDs). Miniaturization of such devices containing ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906104

28. Magnetic switching fluctuations from sidewall oxides in MgO/FeCoB magnetic tunnel junctions
Topic: Atomic Physics
Published: 8/30/2011
Authors: Joshua M Pomeroy, J C Read
Abstract: Sharp magnetic switching distributions with coupling to magnetic sidewall oxides in FeCoB/MgO magnetic tunnel junctions (MTJs) are revealed by magneto-resistance first order reversal curve (MR-FORC) measurements. Tunneling magneto-resistance (TMR) ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908760

29. Multi-channel modeling of the formation of vibrationally cold polar KRb molecules.
Topic: Atomic Physics
Published: 5/14/2009
Authors: Svetlana Kotochigova, Eite Tiesinga, Paul S Julienne
Abstract: We describe the theoretical advances that influenced the experimental creation of vibrationally and translationally cold polar 40K87Rb molecules [Nature Phys. 4, 622 (2008), Science 322, 231 (2008)]. Cold molecules were created from very-weakly boun ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=901233

30. Multi-level Spectroscopy of Two-Level Systems Coupled to a dc SQUID Phase Qubit
Topic: Atomic Physics
Published: 4/7/2010
Authors: T. A. Palomaki, S. K. Dutta, R M Lewis, A J Przybysz, B. K. Cooper, H. Kwon, J. R. Anderson, C. J. Lobb, F. C. Wellstood, Eite Tiesinga
Abstract: We report spectroscopic measurements of discrete two-level systems (TLSs) coupled to a dc SQUID phase qubit with a 16 μm2 area Al/AlOx/Al junction. Applying microwaves in the 10 GHz to 11 GHz range, we found eight avoided level crossings with sp ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=903976