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Fifth-order raman spectrum of an atomic liquid: simulation and instantaneous-normal-mode calculation
Phys Rev Lett
; 85(5): 1004-7, 2000 Jul 31.
Article
in English
| MEDLINE
| ID: mdl-10991460
ABSTRACT
Experimental artifacts and technical difficulties in carrying out theoretical calculations have consistently frustrated attempts to obtain the two-dimensional (5th-order) Raman spectrum of a liquid. We report here a new theoretical development: the first microscopic numerical simulation of the 5th-order Raman signal in a liquid. Comparison with an instantaneous-normal-mode treatment, a fully microscopic model which interprets liquid dynamics as arising from coherent harmonic modes, shows that the 5th-order spectrum reveals profound effects stemming from dynamical anharmonicity.
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Phys Rev B Condens Matter
; 37(7): 3703-3706, 1988 Mar 01.
Article
in English
| MEDLINE
| ID: mdl-9944977
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Phys Rev B Condens Matter
; 36(16): 8484-8496, 1987 Dec 01.
Article
in English
| MEDLINE
| ID: mdl-9942668
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Phys Rev B Condens Matter
; 35(6): 2781-2794, 1987 Feb 15.
Article
in English
| MEDLINE
| ID: mdl-9941755
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Phys Rev B Condens Matter
; 33(3): 1921-1930, 1986 Feb 01.
Article
in English
| MEDLINE
| ID: mdl-9938502
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Phys Rev B Condens Matter
; 32(3): 1537-1548, 1985 Aug 01.
Article
in English
| MEDLINE
| ID: mdl-9937198
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Phys Rev B Condens Matter
; 32(3): 1549-1557, 1985 Aug 01.
Article
in English
| MEDLINE
| ID: mdl-9937199