Non-equilibrium statistical mechanics of molecular-scale energy conversion
Date
Location
Description
Date: Wednesday, December 13
Time: 13:00-14:00
Location: Lab 4, level E, L4E26 > Changed to Lab 4, level F, L4F01
Speaker: Prof. Michael Jack, Department of Physics, University of Otago, New Zealand
Title : Non-equilibrium statistical mechanics of molecular-scale energy conversion
Abstract:
At the molecular scale motion is often governed by overdamped Brownian motion on a free-energy potential landscape. In this talk we survey the use of this framework to describe the non-equilibrium energy conversion behavior of artificial and biological molecular scale devices (often called molecular or protein motors). Combining the Brownian framework with Shannon entropy, it is possible to develop a thermodynamically-consistent description of energy conversion between chemical and mechanical degrees of freedom as occurs in biological motor proteins. We show how this description relates to the so called “thermodynamic uncertainty relation” and discuss the generalization of this framework to treating many interacting molecular motors.
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