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Seminar
Speaker
Abhishek Dhar (International Centre for Theoretical Science - TIFR, Bangalore)
Date & Time
Thu, 17 September 2020, 15:00 to 16:30
Venue
Online seminar
Resources
Abstract

Hydrodynamics considers a coarse-grained description of a system where one looks at the evolution of the conserved fields which evolve slowly in time. The conserved fields constitute a macrostate of the system. There are a large number of internal degrees of freedom corresponding to a given specification of the macrostate and these serve as heat reservoirs for the conserved fields. In effect, they lead to dissipation and fluctuation terms appearing in the equations of hydrodynamics, apart from the so-called Euler terms. The talk will outline the derivation of hydrodynamics starting from a microscopic Hamiltonian, in the context of anharmonic oscillator chains.

Please click on the link https://zoom.us/j/97031671468?pwd=bXc4cVF4SUdFTlRTVlJ1bDhzWE9yZz09 to join zoom meeting
Meeting ID: 970 3167 1468
Passcode: 861313