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Seminar by Siddharth Ghosh (German Research Foundation/DFG Fellow, Centre for Misfolding Diseases, Maxwell Centre, Cambridge)

When Dec 02, 2019
from 03:30 PM to 04:30 PM
Where Lecture Theatre 1, Department of Chemical Engineering and Biotechnology
Contact Name
Contact Phone +44 (0)1223 761208
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'Decomposing complex-systems using continuum and quantum mechanics'

Siddharth Ghosh (German Research Fellow/DFG Fellow, Centre for Misfolding Diseases, Maxwell Centre, Cambridge)

Complex-systems require a broad range of computational and experimental tools. At continuum domain, multi-variable decomposition often NP hard and at nanoscale domain, uncertainty principle acts as the biggest barrier. Siddharth's research interest is to develop quantum coherent (in other words non-dissipative) methods to detect single molecules for ultra-fast dynamics. Some of the key  interdisciplinary topics of his research are confined light-matter interaction, single-molecule nanofluidics, noninvasive functional dynamic mapping of cells, mesoscopic persistent current in macromolecules, and a living-lab of

Siddharth will give two example of continuum mechanics - nanotribology of soft-matter (like PDMS and articular cartilage) and nanomechanics of atomic defects in inorganic solid-state-matter. The nanoscale continuum is fragile in fluid when single-molecules flow at the border of continuum and quantum world, it is intriguing to play at this interface to see who wins. In quantum mechanics, phonons represent vibrational relaxation of a quantum systems. Can we see an interface where phonons and electrons couple to each other? To answer this, Siddharth will also touch upon experimental and theoretical insight of light-matter interaction in nanomaterials, like carbon nanodots, graphene quantum dots, and ZnO nanorods. In order to play in these fields, manipulation of optics
and electron-optics is important. Siddharth will also show how to use single-photon optics to beat the resolution of conventional optical lithography by demonstrating a method for ultra-high aspect nanostructures and electron-beam to enclose nanotrenches to create nanofluidic channels. If time permits, Siddharth will talk about single nanoparticle electrostatic traps, mesoscopic persistent current, and a living-lab situation to understand the evolution of research-based education from the perspective of quantum coherence.

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