Quench echoes in molecular dynamics--A new phonon spectroscopy

G. S. Grest; S. R. Nagel; A. Rahman

doi:10.1016/0038-1098(80)90131-3

Quench echoes in molecular dynamics--A new phonon spectroscopy

G. S. Grest
, S. R. Nagel
, A. Rahman

Research output: Contribution to journal › Article › peer-review

21 Scopus citations

Abstract

We demonstrate a new echo phenomena that appears in molecular dynamics simulations of a solid. This echo occurs in the behavior of the temperature after the system recovers from two abrupt quenches. We give a simple explanation of this effect and show how it can be used to determine the density of states and the coupling between normal modes. We have found considerable anharmonicities even at low temperature in a Lennard-Jones glass. © 1980.

Original language	English
Pages (from-to)	875-879
Number of pages	5
Journal	Solid State Communications
Volume	36
Issue number	10
DOIs	https://doi.org/10.1016/0038-1098(80)90131-3
State	Published - Jan 1 1980
Externally published	Yes

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title = "Quench echoes in molecular dynamics--A new phonon spectroscopy",

abstract = "We demonstrate a new echo phenomena that appears in molecular dynamics simulations of a solid. This echo occurs in the behavior of the temperature after the system recovers from two abrupt quenches. We give a simple explanation of this effect and show how it can be used to determine the density of states and the coupling between normal modes. We have found considerable anharmonicities even at low temperature in a Lennard-Jones glass. {\textcopyright} 1980.",

author = "Grest, \{G. S.\} and Nagel, \{S. R.\} and A. Rahman",

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T1 - Quench echoes in molecular dynamics--A new phonon spectroscopy

AU - Grest, G. S.

AU - Nagel, S. R.

AU - Rahman, A.

PY - 1980/1/1

Y1 - 1980/1/1

N2 - We demonstrate a new echo phenomena that appears in molecular dynamics simulations of a solid. This echo occurs in the behavior of the temperature after the system recovers from two abrupt quenches. We give a simple explanation of this effect and show how it can be used to determine the density of states and the coupling between normal modes. We have found considerable anharmonicities even at low temperature in a Lennard-Jones glass. © 1980.

AB - We demonstrate a new echo phenomena that appears in molecular dynamics simulations of a solid. This echo occurs in the behavior of the temperature after the system recovers from two abrupt quenches. We give a simple explanation of this effect and show how it can be used to determine the density of states and the coupling between normal modes. We have found considerable anharmonicities even at low temperature in a Lennard-Jones glass. © 1980.

UR - https://www.scopus.com/pages/publications/0019292492

U2 - 10.1016/0038-1098(80)90131-3

DO - 10.1016/0038-1098(80)90131-3

M3 - Article

SN - 0038-1098

VL - 36

SP - 875

EP - 879

JO - Solid State Communications

JF - Solid State Communications

IS - 10

ER -

Quench echoes in molecular dynamics--A new phonon spectroscopy

Abstract

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