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  • 78.47.+p  (1)
  • ASTROPHYSICS  (1)
  • 1990-1994  (2)
  • 1960-1964
Collection
Keywords
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  • 1990-1994  (2)
  • 1960-1964
Year
  • 1
    Electronic Resource
    Electronic Resource
    a-b plane anisotropy of single-domain crystals of Bi2Sr2CaCu2O8 (1994)
    Springer
    The European physical journal 94 (1994), S. 255-259 
    Details
    ISSN: 1434-6036
    Keywords: 74.30.Gn ; 74.70.Vy ; 78.47.+p ; 84.40.Cb
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The polarized reflectance of thea-b plane of single-domain Bi2Sr2CaCu2O8 crystals is anisotropic above and belowT c . The normal-state infrared conductivity is higher forE‖a whereas the high-frequency conductivity is higher alongb, particularly for transitions associated with the Bi−O layers. BelowT c there is a definite anisotropy to the far-infrared absorption, with a finite absorption forE‖b down to ≈20 meV. This anisotropy of thea-b plane could be due either to anisotropy of the superconducting gap or to anisotropy of the midinfrared component to the conductivity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01320677
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    Paper (German National Licenses)
    Fulltext
  • 2
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    Unknown
    A proposed search for dark-matter axions in the 0.6-16 micro-eV range (1991)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: A proposed experiment is described to search for dark matter axions in the mass range 0.6 to 16 micro-eV. The method is based on the Primakoff conversion of axions into monochromatic microwave photons inside a tunable microwave cavity in a large volume high field magnet, as described by Sikivie. This proposal capitalizes on the availability of two Axicell magnets from the decommissioned Mirror Fusion Test Facility (MFTF-B) fusion machine at LLNL. Assuming a local dark matter density in axions of rho = 0.3 GeV/cu cm, the axion would be found or ruled out at the 97 pct. c.l. in the above mass range in 48 months.
    Keywords: ASTROPHYSICS
    Type: NASA-CR-188173 , NAS 1.26:188173 , FERMILAB-CONF-91/81-A
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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