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Dr. Kartiek Agawal - McGill University

Description

Title: Using dynamical protocols to improve majorana fermions, engineer Hamiltonians and more. 

General wisdom states that driving a many-body system leads to heating, eventually turning it into an incoherent soup. Contrary to this wisdom, we now understand that the presence of strong quenched disorder, and/or driving at relatively large frequencies, can delay heating to exponentially late times, while engendering quantum phases with no equilibrium analog at shorter times. I will provide an introduction to these latest developments, before discussing how strong driving can be used to engineer multiple symmetries in quantum systems, and why we may want to do so. Finally, I will use these ideas to propose a new experimental setup and an accompanying dynamical protocol to greatly enhance majorana fermions one is able to engineer in current experiments realizing topological quantum wires, and how more complex topological phases can be realized using these majoranas.  

Speaker: Dr. Kartiek Agawal - http://www.physics.mcgill.ca/~agarwal/

Institution: McGill University

Location: Zoom

Host: Dr. David Venus

Tina Stewart is inviting you to a scheduled Zoom meeting.

Topic: Physics & Astronomy Colloquium
Time: Nov 11, 2020 03:00 PM Eastern Time (US and Canada)

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