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Title: Measurement of a Long Electronic Spin Relaxation Time of Cesium Atoms in Superfluid Helium

Abstract

The longitudinal electronic spin relaxation time of Cs atoms optically polarized in superfluid helium (He II, 1.5 K) has been measured with special care to cope with a serious decrease in the number of Cs atoms in the observation region. This decrease, mainly caused by helium convection in introducing the atoms into He II by laser sputtering, was significantly reduced using a new atom implantation method. Combined with a careful correction for the number of atoms, we have determined the relaxation time to be 2.24(19) s or longer, roughly twice as long as that in solid He.

Authors:
; ;  [1]; ; ;  [2];  [3]
  1. Department of Physics, Graduate School of Science, Osaka University, Osaka 560-0043 (Japan)
  2. RIKEN, 2-1, Hirosawa, Wako-shi, Saitama 351-0198 (Japan)
  3. Institute of Physics, Graduate School of Arts and Sciences, University of Tokyo, Komaba, Tokyo 153-8902 (Japan)
Publication Date:
OSTI Identifier:
20777081
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physical Review Letters; Journal Volume: 96; Journal Issue: 9; Other Information: DOI: 10.1103/PhysRevLett.96.095301; (c) 2006 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; 74 ATOMIC AND MOLECULAR PHYSICS; ATOMS; CESIUM; CONVECTION; DEPOSITION; ELECTRONS; HELIUM; HELIUM II; IMPURITIES; LASERS; RELAXATION TIME; SPIN; SPIN-LATTICE RELAXATION; SPUTTERING; SUPERFLUIDITY; TEMPERATURE RANGE 0000-0013 K

Citation Formats

Furukawa, T., Izumi, H., Shimoda, T., Matsuo, Y., Fukuyama, Y., Kobayashi, T., and Hatakeyama, A. Measurement of a Long Electronic Spin Relaxation Time of Cesium Atoms in Superfluid Helium. United States: N. p., 2006. Web. doi:10.1103/PhysRevLett.96.095301.
Furukawa, T., Izumi, H., Shimoda, T., Matsuo, Y., Fukuyama, Y., Kobayashi, T., & Hatakeyama, A. Measurement of a Long Electronic Spin Relaxation Time of Cesium Atoms in Superfluid Helium. United States. doi:10.1103/PhysRevLett.96.095301.
Furukawa, T., Izumi, H., Shimoda, T., Matsuo, Y., Fukuyama, Y., Kobayashi, T., and Hatakeyama, A. Fri . "Measurement of a Long Electronic Spin Relaxation Time of Cesium Atoms in Superfluid Helium". United States. doi:10.1103/PhysRevLett.96.095301.
@article{osti_20777081,
title = {Measurement of a Long Electronic Spin Relaxation Time of Cesium Atoms in Superfluid Helium},
author = {Furukawa, T. and Izumi, H. and Shimoda, T. and Matsuo, Y. and Fukuyama, Y. and Kobayashi, T. and Hatakeyama, A.},
abstractNote = {The longitudinal electronic spin relaxation time of Cs atoms optically polarized in superfluid helium (He II, 1.5 K) has been measured with special care to cope with a serious decrease in the number of Cs atoms in the observation region. This decrease, mainly caused by helium convection in introducing the atoms into He II by laser sputtering, was significantly reduced using a new atom implantation method. Combined with a careful correction for the number of atoms, we have determined the relaxation time to be 2.24(19) s or longer, roughly twice as long as that in solid He.},
doi = {10.1103/PhysRevLett.96.095301},
journal = {Physical Review Letters},
number = 9,
volume = 96,
place = {United States},
year = {Fri Mar 10 00:00:00 EST 2006},
month = {Fri Mar 10 00:00:00 EST 2006}
}