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arbitrary initial state #53

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shinich1 opened this issue May 16, 2023 · 1 comment · May be fixed by #135
Open

arbitrary initial state #53

shinich1 opened this issue May 16, 2023 · 1 comment · May be fixed by #135
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new feature New feature or request simulation backend related to numerical simulation backend

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@shinich1
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shinich1 commented May 16, 2023 •
edited

Is your feature request related to a problem? Please describe.
Currently, graphix does not assume arbitrary initial state for the MBQC. This is not a problem (still universal, just like real quantum hardware) but it would be a good feature to have, to test out MBQC with small toy models

Describe the feature you'd like
An option to simulate with arbitrary input state. For this, we would need:

  • an option to keep the input nodes during the Pattern.perform_pauli_measurements(). Otherwise input nodes will be considered fixed |+> states and be preprocessed, making it difficult to simulate with arbitrary input state.
  • an option to use arbitrary input statevector in StatevectorBackend.
  • similar option for TN backend.

Additional context
na
@shinich1 shinich1 added new feature New feature or request simulation backend related to numerical simulation backend labels May 16, 2023
@mgarnier59
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I will work on that. I think it also requires modification of the preparation MBQC command N so as to allow user-defined preparations.

@FlorianFuerrutter FlorianFuerrutter mentioned this issue Dec 4, 2023
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@shinich1 shinich1 linked a pull request May 6, 2024 that will close this issue
Allowing arbitrary initialization of the input nodes #135
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Allowing arbitrary initialization of the input nodes mgarnier59/graphix-dev
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@shinich1 @mgarnier59