DECOHERENCE STUDY OF ELECTRON SPIN STATES IN QUANTUM DOTS USING A SIMPLISTIC MODEL-Reference-Cited by-同舟云学术

DECOHERENCE STUDY OF ELECTRON SPIN STATES IN QUANTUM DOTS USING A SIMPLISTIC MODEL

Published:2013-06-06 Issue:16 Volume:27 Page:1350119
ISSN:0217-9849
Container-title:Modern Physics Letters B
language:en
Short-container-title:Mod. Phys. Lett. B

Author:

MATHEW AGILE¹,NANDY MALAY K.²

Affiliation:

1. Center for Nanotechnology, Indian Institute of Technology Guwahati, North Guwahati, Assam 781039, India

2. Department of Physics, Indian Institute of Technology Guwahati, North Guwahati, Assam 781039, India

Abstract

Using a simple model of central spin interacting with a spin bath, we study the decoherence of single electron spin states in quantum dots within one-, two- and three-dimensional nanostructure geometries. We consider a one-component hyperfine interaction term and express its strength as a smooth function of position vector. Decoherence measures are evaluated and plotted for various initial states, and we notice a decrease in decoherence time with the reduction of spin-bath dimension.

Publisher

World Scientific Pub Co Pte Lt

Subject

Condensed Matter Physics,Statistical and Nonlinear Physics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0217984913501194

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