Bulletin of the American Physical Society
APS March Meeting 2023
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session JJ08: V: Superlattices and Other Artificially Structured Materials
3:00 PM–4:48 PM,
Monday, March 20, 2023
Room: Virtual Room 8
Sponsoring
Unit:
DCMP
Chair: Jingsong Zhang, University of California, Riverside
Abstract: JJ08.00001 : The observability of quantum pinch effect in the magnetized quantum wires
3:00 PM–3:12 PM
Presenter:
Bahram Djafari-Rouhani
(USTL, France)
Authors:
Manvir S Kushwaha
(Rice University)
Bahram Djafari-Rouhani
(USTL, France)
{em radial} confining harmonic potential and an applied magnetic field in the symmetric gauge.
It is demonstrated that such a system as can be realized in semiconducting quantum wires offers
an excellent medium for observing the quantum pinch effect at low temperatures. An exact
analytical solution of the problem allows us to make significant observations: surprisingly, in
contrast to the classical pinch effect, the particle density as well as the current density
display a {em determinable} maximum before attaining a minimum at the surface of the quantum wire.
The effect will persist as long as the equilibrium pair density is sustained. Therefore, the
technological promise that emerges is the route to the precise electronic devices that will control
the particle beams at the nanoscale1. 1. M.S. Kushwaha, Appl. Phys. Lett. 103, 173116 (2013);
Mod. Phys. Lett. B 30, 1530014 (2015).
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