Quantum Error Correction: - PowerPoint PPT Presentation

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Quantum Error Correction:

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Quantum Error. Correction: Andrew Landahl. David Gottesman. Dr. Wu. And others ... This is implementing a measurement (interpreting 0 as 1, and 1 as 1) Z1 ... – PowerPoint PPT presentation

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Title: Quantum Error Correction:


1
Quantum ErrorCorrection
  • Andrew Landahl
  • David Gottesman
  • Dr. Wu
  • And others

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Stabilizer measurement??
Z1
  • This is implementing a measurement
    (interpreting 0 as 1, and 1 as 1)

5
Stabilizer measurement??
Z1
Z2
  • This is implementing a measurement

6
Stabilizer measurement??
Stabilizer measurement??
  • This is implementing a measurement

7
Notation clarification
  • For an n-qubit system denotes
  • E.g. n3, then

What does it mean Z1 Z2?
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The Shor Code as a Stabilizer code
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Stabilizer codes
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Stabilizer Codes by Gottesman, 1997
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Classical (7,4,3) Hamming Code C1
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Stabilizer for Steane code
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Steane code based on Hamming code
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Vector Space under Symplectic Inner Products
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Weight and Distance
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Theorem for Existence of Additive QECC
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Stabilizer for 5-qubit 5,1,3 code
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Symplectic Form for Stabilizer
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Commuting Group
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Linear Block Codes
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Standard Symplectic Form
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Encoder for Stabilizer Codes
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5,1,3 Quantum Encoder (X part)
(5,1,3) code
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Complete 5,1,3 Quantum Encoder
(5,1,3) code
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