Superfluidity, Bose condensation and neutron scattering in liquid {sup 4}He

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The relation between superfluidity and Bose condensation in {sup 4}He provides lessons that may be valuable in understanding the strongly correlated electron system of high {Tc} superconductivity. Direct observation of a Bose condensate in the superfluid by deep inelastic neutron scattering measurements has been attempted over many years. But the impulse approximation, which relates momentum distributions to neutron scattering structure functions, is broadened by final state effects. Nevertheless, the excellent quantitative agreement between ab initio quantum many body theory and high precision neutron experiments provides confidence in the connection between superfluidity and Bose condensation.

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12 p.

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Silver, R.N. April 1, 1997.

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  • Silver, R.N. Los Alamos National Lab., NM (United States). Theoretical Div.

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Description

The relation between superfluidity and Bose condensation in {sup 4}He provides lessons that may be valuable in understanding the strongly correlated electron system of high {Tc} superconductivity. Direct observation of a Bose condensate in the superfluid by deep inelastic neutron scattering measurements has been attempted over many years. But the impulse approximation, which relates momentum distributions to neutron scattering structure functions, is broadened by final state effects. Nevertheless, the excellent quantitative agreement between ab initio quantum many body theory and high precision neutron experiments provides confidence in the connection between superfluidity and Bose condensation.

Physical Description

12 p.

Notes

INIS; OSTI as DE97004803

Medium: P; Size: 12 p.

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  • International workshop on high-temperature superconductivity: ten years after its discovery, Jaipur (India), 16-21 Dec 1996

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  • Other: DE97004803
  • Report No.: LA-UR--97-581
  • Report No.: CONF-961233--1
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 463667
  • Archival Resource Key: ark:/67531/metadc680664

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • April 1, 1997

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  • July 25, 2015, 2:21 a.m.

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  • April 6, 2017, 8:26 p.m.

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Silver, R.N. Superfluidity, Bose condensation and neutron scattering in liquid {sup 4}He, article, April 1, 1997; New Mexico. (https://digital.library.unt.edu/ark:/67531/metadc680664/: accessed April 19, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.