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Título: | Microscopic structure factor of liquid parahydrogen: Monte Carlo and molecular dynamics simulations |
Autor: | Bermejo, Francisco Javier CSIC ORCID; Fåk, B.; Bennington, S.M.; Kinugawa, K.; Dawidowski, J. CSIC ORCID; Fernández-Díaz, M. T.; Cabrillo García, Carlos CSIC ORCID; Fernández-Perea, Ricardo CSIC ORCID | Fecha de publicación: | 31-dic-2002 | Editor: | American Physical Society | Citación: | Physical Review B 66: 2122021- 2122024 (2002) | Resumen: | We present a comparison of results on the microscopic structure of liquid parahydrogen as calculated by path-integral Monte Carlo and path-integral-centroid-molecular-dynamics simulations. The radial distribution functions calculated using both approaches are found to be in good agreement. The disagreement between published estimates for the static structure factor are found to arise from different approximations followed for the Fourier transform of heavily truncated data. A comparison of the structure of the real liquid with that of a classical analog is also made and shows that the latter would freeze at the experimental liquid density. Liquid parahydrogen is therefore stabilized by the action of large quantum effects. ©2002 The American Physical Society | Descripción: | 4 págs.; 3 figs. ; PACS number(s): 67.20.1k, 61.12.2q, 61.20.Ja | Versión del editor: | http://dx.doi.org/10.1103/PhysRevB.66.212202 | URI: | http://hdl.handle.net/10261/140378 | DOI: | 10.1103/PhysRevB.66.212202 | Identificadores: | doi: 10.1103/PhysRevB.66.212202 issn: 0163-1829 |
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