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For my dissertation I need to simulate random circuits and I have been trying to use google Cirq for that. Looking at the documentation I have seen how to create my own circuit and simulate it, but it becomes exhausting and prone to error the fact of creating a circuit for a larger number of quits and to produce as much entanglement as possible.

I thought that Cirq would have any method for generating a random circuit for a given number of qubits, but unfortunately have not found anything like this. Therefore, I was wondering whether there is any tool or anyone who has generated circuits that I could import to use.

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    $\begingroup$ Is this what you are looking for? $\endgroup$
    – epelaez
    Oct 8, 2021 at 12:34

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Cirq does have some methods for generating random circuits, such as cirq.testing.random_circuit and cirq.random_rotations_between_grid_interaction_layers_circuit.

That being said, in my experience, generic random circuit methods almost never do quite exactly what I need. I suspect that, for thesis-level work, you will need much more careful control over the generated circuit than you will get from a method written by anyone except you.

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  • $\begingroup$ The first thing I have To do is simulate the circuit, obtain the amplitudes of the wavefunction and use Fourier decomposition to obtain the probability function for sampling the random circuit. I believe the second method that you wrote is what I am looking for! Thank you so much for it. I was looking for different method names so I will have to be a bit more careful in the future. $\endgroup$
    – Pablo
    Oct 10, 2021 at 14:37

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