Accession Number:

ADA141054

Title:

Spin-Polarized Triplet Helium.

Descriptive Note:

Interim rept. Jul 83-Jan 84,

Corporate Author:

JET PROPULSION LAB PASADENA CA

Personal Author(s):

Report Date:

1984-04-01

Pagination or Media Count:

46.0

Abstract:

It is pointed out that bulk quantities of spin-polarized Triplet He 2 Superscript 3 subscript 1 and Triplet He2 He2a Superscript 3 sigma subscript u should form insulating classical solids, respectively denoted as He IV-A and He IV-M. Estimates of some basic physical properties of He IV-A are given. A metallic phase of He IV-A is considered and modeled by a two-component Fermi fluid of spin-polarized He, ions and electrons. This metallic phase is predicted to occur at r subscript s approx. 2.3 and to lie considerably lower in energy than insulating He IV-AM, making it the preferred phase to be looked for experimentally. A number of deexcitation mechanisms of atomic, dimerized, and bulk He are identified, and the open problem of stability is discussed. A method is proposed to produce He IV-M, and ultimately metallic He IV-A, by optically pumping the He2 species produced by electron bombardment of superfluid helium. Author

Subject Categories:

  • Inorganic Chemistry
  • Atomic and Molecular Physics and Spectroscopy

Distribution Statement:

APPROVED FOR PUBLIC RELEASE