Focus Session: Semiconductor Qubits- Dynamic Decoupling, Dephasing, and Relaxation

Presentations

• Increasing Quantum Dot Electron Spin Coherence with Persistent Spin Narrowing

  ORAL

  March 24, 2011, 8:00 AM – March 24, 2011, 8:12 AM

  Authors

  • Bo Sun

    • University of Michigan

  • Colin Chow

    • Univeristy of Michigan

  • Allan Bracker

    • Naval Research Laboratory

  • Daniel Gammon

    • Naval Research Laboratory

  • L.J. Sham

    • Department of Physics, University of California San Diego
    • University of California San Diego
    • Department of Physics, University of California, San Diego

  • Duncan Steel

    • University of Michigan

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• Effects of Multi-pulse Dynamical Decoupling Schemes on Dephasing in a GaAs Spin Qubit

  ORAL

  March 24, 2011, 8:12 AM – March 24, 2011, 8:24 AM

  Authors

  • James Medford

    • Harvard University

  • Christian Barthel

    • Harvard University

  • Charles Marcus

    • Harvard University

  • Micah Hanson

    • Materials Department, University of California, Santa Barbara

  • Arthur Gossard

    • Materials Department, University of California, Santa Barbara

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• The central spin problem: electron spin qubit evolution due to coherently evolving nuclear spins

  ORAL

  March 24, 2011, 8:24 AM – March 24, 2011, 8:36 AM

  Authors

  • Izhar Neder

    • Harvard University

  • Mark Rudner

    • Harvard
    • Harvard University

  • Hendrik Bluhm

    • Harvard University

  • Bertrand Halperin

    • Harvard University

  • Amir Yacoby

    • Harvard University

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• Generating Entanglement and Squeezed States of Nuclear Spins in Quantum Dots

  ORAL

  March 24, 2011, 8:36 AM – March 24, 2011, 8:48 AM

  Authors

  • Mark Rudner

    • Harvard University

  • Lieven Vandersypen

    • TU Delft

  • Vladan Vuletic

    • MIT

  • Leonid Levitov

    • MIT

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• Dephasing of two-spin qubits due to their charge and nuclear environments

  ORAL

  March 24, 2011, 8:48 AM – March 24, 2011, 9:00 AM

  Authors

  • Guy Ramon

    • Santa Clara University

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• Noisy (spin) neighbors of a solid state (spin) qubit

  ORAL

  March 24, 2011, 9:00 AM – March 24, 2011, 9:12 AM

  Authors

  • Wayne Witzel

    • Sandia National Labs
    • Sandia National Laboratories, NM

  • Malcolm Carroll

    • Sandia National Laboratories, NM
    • Sandia National Laboratories, Albuquerque, NM 87185

  • Lukasz Cywinski

    • Institute of Physics, Polish Academy of Sciences

  • Sankar Das Sarma

    • University of Maryland, College Park

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• Competing effects of hyperfine and spin-orbit interactions in two-electron spin qubits

  ORAL

  March 24, 2011, 9:12 AM – March 24, 2011, 9:24 AM

  Authors

  • Ernesto Cota

    • Centro de Nanociencias y Nanotecnolog\'ia, UNAM, Ensenada, Mexico

  • Sergio Ulloa

    • Ohio University
    • Ohio University, Athens-OH - USA
    • Department of Physics, and Nanoscale \& Quantum Phenomena Institute, Ohio University, 45701 USA
    • Ohio U.

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• Two-eletron spin relaxation in double quantum dots and P donors

  ORAL

  March 24, 2011, 9:24 AM – March 24, 2011, 9:36 AM

  Authors

  • Chia-Wei Huang

    • Department of Physics, Bar-Ilan University, Ramat Gan, 52900, Israel

  • Massoud Borhani

    • SUNY at Buffalo, NY
    • Department of Physics, University at Buffalo, SUNY, Buffalo, NY 14260-1500, USA

  • Xuedong Hu

    • SUNY Buffalo
    • University at Buffalo, SUNY
    • SUNY at Buffalo, NY
    • Department of Physics, University at Buffalo, SUNY, Buffalo, NY 14260-1500, USA
    • Dep. of Physics, University at Buffalo-SUNY

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• Spin-orbit induced two-electron spin relaxation in double quantum dots

  ORAL

  March 24, 2011, 9:36 AM – March 24, 2011, 9:48 AM

  Authors

  • Massoud Borhani

    • SUNY at Buffalo, NY
    • Department of Physics, University at Buffalo, SUNY, Buffalo, NY 14260-1500, USA

  • Xuedong Hu

    • SUNY Buffalo
    • University at Buffalo, SUNY
    • SUNY at Buffalo, NY
    • Department of Physics, University at Buffalo, SUNY, Buffalo, NY 14260-1500, USA
    • Dep. of Physics, University at Buffalo-SUNY

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• Impurity effects on coupled quantum dot spin qubits in semiconductors

  ORAL

  March 24, 2011, 9:48 AM – March 24, 2011, 10:00 AM

  Authors

  • Nga Nguyen

    • Condensed Matter Theory Center, Department of Physics, University of Maryland, College Park, Maryland 20742-4111, USA

  • Sankar Das Sarma

    • Condensed Matter Theory Center, Department of Physics, University of Maryland, College Park, MD 20742
    • Condensed Matter Theory Center, Department of Physics, University of Maryland
    • Univ of Maryland-College Park
    • Condensed Matter Theory Center, Dept. of Physics, University of Maryland, College Park, MD
    • CMTC, Dept of Physics, University of Maryland, College Park
    • Condensed Matter Theory Center, Department of Physics, University of Maryland, College Park, Maryland 20742-4111, USA
    • Condensed Matter Theory Center, University of Maryland, College Park
    • Dep. of Physics, Condensed Matter Theory Center, University of Maryland, College Park, Maryland
    • University of Maryland
    • JQI and CMTC, University of Maryland
    • Joint Quantum Institute and Condensed Matter Theory Center, University of Maryland

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• Theory of anisotropic exchange in laterally coupled quantum dots

  ORAL

  March 24, 2011, 10:00 AM – March 24, 2011, 10:12 AM

  Authors

  • Fabio Baruffa

    • Institute for Theoretical Physics, University of Regensburg, 93040 Regensburg, Germany

  • Peter Stano

    • Institute of Physics, Slovak Academy of Sciences, 84511 Bratislava, Slovak Republic
    • Physics Department, University of Arizona, 1118 E 4th Street, Tucson, Arizona 85721, USA

  • Jaroslav Fabian

    • Institute for Theoretical Physics, University of Regensburg, 93040 Regensburg, Germany

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• Many-body singlets of nuclear spins

  ORAL

  March 24, 2011, 10:12 AM – March 24, 2011, 10:24 AM

  Authors

  • Wang Yao

    • The University of Hong Kong

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• Atomistic theory of spin relaxation in self-assembled (In, Ga)As/GaAs quantum dots at zero magnetic field

  ORAL

  March 24, 2011, 10:24 AM – March 24, 2011, 10:36 AM

  Authors

  • Lixin He

    • Univ. Sci \& Tech. of China
    • Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei, 230026g

  • Hai Wei

  • Ming Gong

  • G.-C. Guo

  View abstract →

• Optically controlled electron-nuclear spin dynamics in a quantum dot

  ORAL

  March 24, 2011, 10:36 AM – March 24, 2011, 10:48 AM

  Authors

  • Edwin Barnes

    • Condensed Matter Theory Center, Dept. of Physics, University of Maryland

  • Sophia Economou

    • Naval Research Lab

  View abstract →