https://github.com/cqcl/hidden_inverse_exp

Implementation of the "hidden inverse" coherent error cancellation method in pytket.

https://github.com/cqcl/hidden_inverse_exp

Science Score: 23.0%

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Repository

Implementation of the "hidden inverse" coherent error cancellation method in pytket.

Basic Info
  • Host: GitHub
  • Owner: CQCL
  • Language: Jupyter Notebook
  • Default Branch: main
  • Homepage:
  • Size: 483 KB
Statistics
  • Stars: 1
  • Watchers: 4
  • Forks: 1
  • Open Issues: 0
  • Releases: 0
Created about 3 years ago · Last pushed about 1 year ago
Metadata Files
Readme

README.md

Hidden Inverse Circuits for Coherent Error Suppression

Hack month week 1

Key reference: https://arxiv.org/abs/2104.01119

Idea: Self adjoint gates such as CX have two equivalent decompositions into hardware native gates. Find symmetric circuits and use both decompositions to cancel coherent errors.

Contributions and suggestions for future work welcome.

If we have a matrix $M$ satisfying $M=M^\dagger$ we say that $M$ is self adjoint. We can decompose this matrix $M$ in two ways.

$$ \begin{equation} M = ABC = C^\dagger B^\dagger A^\dagger = M^\dagger \end{equation} $$

Here $M$ represents the unitary (and self-adjoint) matrix associated with a two qubit gate.

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Setup

  1. Clone this repository

shell git clone git@github.com:CQCL/hidden_inverse_exp.git

  1. Now install dependencies with uv.

shell cd hidden_inverse_exp uv sync --all-groups

  1. Run the tests shell cd tests uv run pytest

Owner

  • Name: Cambridge Quantum
  • Login: CQCL
  • Kind: organization
  • Location: Cambridge, UK

Quantum Software and Technologies

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  • CalMacCQ (2)
  • daniel-mills-cqc (1)
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Dependencies

requirements.txt pypi
  • matplotlib *
  • pytket *