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Inelastic neutron scattering from liquid para-hydrogen by ring polymer molecular dynamics

Abstract:

We investigate the use of the ring polymer molecular dynamics (RPMD) method to calculate the incoherent dynamic structure factor of liquid para-hydrogen at a temperature of 14 K. Two different approximation schemes are considered: the RPMD approximation to the self relaxation function F̃s(κ,t) and the Gaussian approximation to the intermediate scattering function F s(κ, t). We find that both approximations give similar results for low momentum transfer, but that their predictions differ appre...

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Publication status:
Published

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Institution:
University of Oxford
Division:
MPLS
Department:
Chemistry
Sub department:
Physical & Theoretical Chem
Role:
Author
Journal:
CHEMICAL PHYSICS
Volume:
322
Issue:
1-2
Pages:
236-246
Publication date:
2006-03-06
DOI:
ISSN:
0301-0104
Language:
English
Keywords:
Pubs id:
pubs:39870
UUID:
uuid:03454cf0-ba13-4418-8e89-66c704abc05e
Local pid:
pubs:39870
Source identifiers:
39870
Deposit date:
2012-12-19

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