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Please use this identifier to cite or link to this item: http://eprint.iitd.ac.in/handle/2074/1199

Title: Signatures of multiple time-scale behaviour in the power spectra of water
Authors: Mudi, Anirban
Ramaswamy, Ramakrishna
Chakravarty, Charusita
Keywords: fluctuations
tagged particle potential
rotational kinetic energies
Issue Date: 2003
Citation: Chemical Physics Letters, 376(5-6), 683-689
Abstract: Power spectra associated with fluctuations in the tagged particle potential and kinetic energies are analysed for bulk SPC/E water for a range of temperatures along the 1.0 g/cm3 isochore. Fluctuations in the tagged particle potential energies give rise to 1/fα noise, indicative of multiple time-scale behaviour, over a temperature-dependent frequency regime. In contrast, the tagged particle centre-of-mass and rotational kinetic energies, which are indicative of the magnitude of local thermal fluctuations, do not show any evidence of 1/fα behaviour.
URI: http://eprint.iitd.ac.in/dspace/handle/2074/1199
Appears in Collections:Chemistry

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