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Revisiting the SABRA model: Statics and dynamics

Tom, Rithwik and Ray, Samriddhi Sankar (2017) Revisiting the SABRA model: Statics and dynamics. In: EPL, 120 (3).

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Official URL: http://dx.doi.org/10.1209/0295-5075/120/34002

Abstract

We revisit the two-dimensional SABRA model, in the light of the recent results of Frisch et al. (Phys. Rev. Lett., 108 (2012) 074501) and examine, systematically, the interplay between equilibrium states and cascade (turbulent) solutions, characterised by a single parameter b, via equal-time and time-dependent structure functions. We calculate the static and dynamic exponents across the equipartition as well as turbulent regimes which are consistent with earlier studies. Our results indicate the absence of a sharp transition from equipartition to turbulent states. Indeed, we find that the SABRA model mimics true two-dimensional turbulence only asymptotically as b -> -2. Copyright (C) EPLA, 2018

Item Type: Journal Article
Additional Information: Copy right for the article belong to the IOP PUBLISHING LTD, TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Depositing User: Id for Latest eprints
Date Deposited: 01 Mar 2018 19:39
Last Modified: 01 Mar 2018 19:39
URI: http://eprints.iisc.ac.in/id/eprint/59063

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