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Published November 26, 1990 | public
Journal Article Open

Final-state effects on the deep-inelastic response of liquid 4He


We calculate the deep-inelastic response of liquid 4He. Using a universality hypothesis for the bridge function, we obtain a new, highly consistent ground-state Jastrow wave function with condensate fraction n0≃0.081. The dynamics of final-state interactions is accounted for by a Monte Carlo sampling of the scattering wave function of the recoiling He atom. The results, in excellent agreement with recent neutron-scattering measurements, indicate that the response has a more complicated dependence on the structure of the ground state than is assumed by all previous theories.

Additional Information

©1990 The American Physical Society. Received 23 July 1990. We thank M.C. Cross and P.B. Weichman for reading the manuscript. We are indebted to Mike Snow and Paul Sokol for many comments and suggestions, and for making their data available to us prior to publication. This work was supported in part by the National Science Foundation under Grants No. PHY88-17296 and No. PHY86-04197, and through a time allocation on the San Diego Supercomputer Center Cray Y-MP.


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