Superfluidity, Bose condensation and neutron scattering in liquid {sup 4}He
Conference
·
OSTI ID:463667
- Los Alamos National Lab., NM (United States). Theoretical Div.
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.
- Research Organization:
- Los Alamos National Lab., NM (United States)
- Sponsoring Organization:
- USDOE Office of Energy Research, Washington, DC (United States)
- DOE Contract Number:
- W-7405-ENG-36
- OSTI ID:
- 463667
- Report Number(s):
- LA-UR--97-581; CONF-961233--1; ON: DE97004803
- Country of Publication:
- United States
- Language:
- English
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