Bulletin of the American Physical Society
APS March Meeting 2018
Volume 63, Number 1
Monday–Friday, March 5–9, 2018; Los Angeles, California
Session F18: Quantum Wires and 1-Dimensional Nanostructures: Transport and Electronic Properties
11:15 AM–2:03 PM,
Tuesday, March 6, 2018
LACC
Room: 306B
Sponsoring
Units:
DCMP DMP
Chair: Joseph Hagmann, NIST -Natl Inst of Stds & Tech
Abstract ID: BAPS.2018.MAR.F18.1
Abstract: F18.00001 : The Observability of the Quantum Pinch Effect in Magnetized Semiconducting Quantum Wires
11:15 AM–11:27 AM
Presenter:
Manvir Kushwaha
(Physics & Astronomy, The Rice University)
Author:
Manvir Kushwaha
(Physics & Astronomy, The Rice University)
a 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 displays a 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 nanoscale.
[See, for example, M.S. Kushwaha, Appl. Phys. Lett. 103, 176113 (2013); Mod. Phys. Lett. B 30,
1630002 (2016)].
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.MAR.F18.1
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