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Quantum Error Correction: Andrew Landahl David Gottesman Dr. Wu And others.

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Presentation on theme: "Quantum Error Correction: Andrew Landahl David Gottesman Dr. Wu And others."— Presentation transcript:

1 Quantum Error Correction: Andrew Landahl David Gottesman Dr. Wu And others

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4 Stabilizer measurement?? l This is implementing a measurement (interpreting 0 as +1, and 1 as –1) Z1Z1

5 l This is implementing a measurement Stabilizer measurement?? Z1Z1 Z2Z2

6 l This is implementing a measurement Stabilizer measurement??

7 Notation clarification l For an n-qubit system denotes l E.g. n=3, then What does it mean Z 1 Z 2 ?

8 The Shor Code as a Stabilizer code

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10 Stabilizer codes

11 Stabilizer Codes by Gottesman, 1997

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24 Classical (7,4,3) Hamming Code C 1

25 Stabilizer for Steane code

26 Steane code: based on Hamming code

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34 Vector Space under Symplectic Inner Products

35 Weight and Distance

36 Theorem for Existence of Additive QECC

37 Stabilizer for 5-qubit [5,1,3] code

38 Symplectic Form for Stabilizer

39 Commuting Group

40 Linear Block Codes

41 Standard Symplectic Form

42 Encoder for Stabilizer Codes

43 [5,1,3] Quantum Encoder (X part) (5,1,3) code

44 Complete [5,1,3] Quantum Encoder (5,1,3) code

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