Volume 115, Number 6, September 2016
|Number of page(s)||5|
|Section||Condensed Matter: Structural, Mechanical and Thermal Properties|
|Published online||04 November 2016|
The momentum distribution of liquid 3He
1 Department of Physics, Indiana University - Bloomington, IN 47408, USA
2 Center for Neutron Research, National Institute of Standards and Technology - Gaithersburg, MD 20899-6100, USA
3 Department of Materials Science and Engineering, University of Maryland - College Park, MD 20742-2115, USA
4 Institute Laue-Langevin - Grenoble, France
Received: 19 August 2016
Accepted: 12 October 2016
We present high-resolution neutron Compton scattering measurements of liquid 3He below its renormalized Fermi temperature. Theoretical predictions are in excellent agreement with the experimental data when instrumental resolution and final-state effects are accounted for. Our results resolve the long-standing inconsistency between theoretical and experimental estimates of the average atomic kinetic energy.
PACS: 67.30.-n – 3He / 78.70.Nx – Neutron inelastic scattering / 67.10.Db – Fermion degeneracy
© EPLA, 2016
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