Realistic Theory of Solid-State Qubits

Abstract

We have studied quantum coherence and control in solid-state qubits, mostly in superconductors. We have outlined several strategies to obtain high-fidelity quantum logic gates in the presence of decoherence. We have studied realistic, structured environments to qubits, including environments with resonances, slow noise, and non-Markovian effects. In all cases, we have formulated strategies how to master and engineer the decoherence properties. We have analyzed examples from superconducting charge and flux qubits as well as quantum dots.

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Document Details

Document Type
Technical Report
Publication Date
Mar 20, 2006
Accession Number
ADA447269

Entities

People

  • Frank K. Wilhelm
  • Henryk P. Gutmann
  • Markus J. Storcz
  • Udo Hartmann

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Circuits
  • Detectors
  • Electronic Circuits
  • Engineering
  • Environment
  • Equations
  • Field Effect Transistors
  • Information Processing
  • Logic Gates
  • Low Temperature
  • Magnetometers
  • Quantum Bits
  • Quantum Computing
  • Quantum Dots
  • Quantum Information
  • Quantum Information Science
  • Quantum Properties

Fields of Study

  • Physics

Readers

  • Distributed Systems and Data Platform Development
  • Quantum spin resonance or Electron Paramagnetic Resonance spectroscopy.

Technology Areas

  • Quantum Computing
  • Quantum Science - Quantum Dots