Lokrshi Prawar Dadhichi

Working with
Prof. Sriram Ramaswamy

’How far from equilibrium in active matter?’
is not unique.


The answer to the question, ’How far from equilibrium is active matter?’ is not unique. It depends on the reference equilibrium state which, in turn, depends on the time-reversal signature assigned to the dynamical variables in question. In addressing this question we show precisely what observed behaviours, as defined by a suitable notion of entropy production, distinguish an active system from a passive counterpart with the same spatial symmetries.



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