Patent US10204305

Measurement-only topological quantum computation
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US10204305

1. A quantum computing method for performing anyonic quantum computation, the method comprising: (5) (3)

arranging computational anyons in an array;

situating entangled pairs of anyons between each pair of the computational anyons; and

providing a braiding transformation of the computational anyons with at least one measurement.

2. The quantum computing method of claim 1, wherein the measurement is an interferometric measurement. (0)

3. The quantum computing method of claim 1, wherein the measurement is a projective measurement. (1) (0)

5. The quantum computing method of claim 1, wherein the array of computational anyons is a linear array. (0)

6. The quantum computing method of claim 1, wherein the measurement is a forced measurement. (2) (0)

9. The quantum computing method of claim 1, further comprising selecting the braiding transformation to represent a series of quantum gates. (1) (0)

11. A quantum computer, comprising: (4) (3)

an array of computational anyons;

entangled pairs of anyons between each pair of the computational anyons; and

a measurement apparatus that implements a braiding transformation with the computational anyons.

12. The quantum computer of claim 11, wherein the measurement apparatus is an interferometer. (0)

13. The quantum computer of claim 11, wherein the measurement apparatus is associated with a projective measurement. (1) (0)

15. The quantum computing method of claim 11, wherein the array of computational anyons is a linear array. (0)

16. The quantum computing method of claim 11, wherein the measurement is a forced measurement. (0)

17. A quantum computing method, comprising: (1) (3)

with a classical processor, selecting a series of quantum gates associated with a selected computation;

determining a braiding transformation based on the selected computation; and

in a quantum computer, implementing the braiding transformation based on at least one measurement.

18. The quantum computing method of claim 17, wherein the at least one measurement is a forced measurement. (2) (0)

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