Periodic Scarred States in Open Quantum Dots as Evidence of Quantum Darwinism

A. M. Burke, R. Akis, T. E. Day, Gil Speyer, D. K. Ferry, and B. R. Bennett
Phys. Rev. Lett. 104, 176801 – Published 27 April 2010

Abstract

Scanning gate microscopy (SGM) is used to image scar structures in an open quantum dot, which is created in an InAs quantum well by electron-beam lithography and wet etching. The scanned images demonstrate periodicities in magnetic field that correlate to those found in the conductance fluctuations. Simulations have shown that these magnetic transform images bear a strong resemblance to actual scars found in the dot that replicate through the modes in direct agreement with quantum Darwinism.

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  • Received 20 November 2009

DOI:https://doi.org/10.1103/PhysRevLett.104.176801

©2010 American Physical Society

Authors & Affiliations

A. M. Burke1, R. Akis1, T. E. Day1, Gil Speyer2, D. K. Ferry1, and B. R. Bennett3

  • 1School of Electrical, Computer, and Energy Engineering and Center for Solid State Electronics Research, Arizona State University, Tempe, Arizona 85287-5706, USA
  • 2High Performance Computing Initiative, Ira A. Fulton School of Engineering Arizona State University, Tempe, Arizona 85287-8906, USA
  • 3Naval Research Laboratory, Washington, D.C. 20375, USA

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Issue

Vol. 104, Iss. 17 — 30 April 2010

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