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Handbook of Spintronics pp 71–103Cite as

Spin Quantum Computing

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Abstract

This chapter describes the use of electron spins in semiconductor quantum dots as quantum bits for quantum information processing. Among the central themes of the chapter is the mechanism for a two-qubit operation based on the exchange interaction. Another important topic pertains to the mechanisms that lead to the loss of quantum coherence and are related to phonons or nuclear spins in the host semiconductor. The last part of this chapter is focused on the prospects for extending the ideas of spin-based quantum information to new materials such as graphene, where both nuclear-spin- and phonon-induced decoherence and relaxation are suppressed.

Keywords

  • Hyperfine Interaction
  • Quantum Gate
  • Gate Operation
  • CNOT Gate
  • Quantum Error Correction

These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Abbreviations

13C:

Carbon-13

2D:

Two dimensional

2DEG:

Two-dimensional electron gas

AlGaAs:

Aluminum gallium arsenide

As:

Arsenic

CNOT:

Controlled NOT (NOT is not acronym)

EPC:

Electron phonon coupling

Ga:

Gallium

GaAs:

Gallium arsenide

HF:

Hyperfine

InGaAs:

Indium gallium arsenide

MoS2 :

Molybdenum disulfide

QD:

Quantum dot

QPC:

Quantum point contact

RSA:

Rivest–Shamir–Adleman

SiGe:

Silicon–germanium

SO:

Spin orbit

SU(2):

Special unitary group in two dimensions

WS2 :

Tungsten disulfide

XOR:

Exclusive OR (OR is not an acronym)

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Authors and Affiliations

  1. Department of Physics, University of Konstanz, Konstanz, D-78457, Germany

    Philipp R. Struck & Guido Burkard

Authors
  1. Philipp R. Struck
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  2. Guido Burkard
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Corresponding author

Correspondence to Philipp R. Struck .

Editor information

Editors and Affiliations

  1. York-Nanjing International Center of Spintronics, Nanjing University, Nanjing, China

    Yongbing Xu

  2. Institute for Molecular Engineering, University of Chicago, Chicago, Illinois, USA

    David D. Awschalom

  3. Department of Materials Science, Graduate School of Engineering, Tohoku University, Sendai, Japan

    Junsaku Nitta

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Struck, P.R., Burkard, G. (2016). Spin Quantum Computing. In: Xu, Y., Awschalom, D., Nitta, J. (eds) Handbook of Spintronics. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-6892-5_5

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