Questions tagged [pyquil]

A Python library for quantum programming using Quil. http://docs.rigetti.com

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How to get the $T1$ specs for the Rigetti's quantum processor (Aspen 7)

I am trying to find the $T1$ coherence time for different qubits of Rigetti's quantum processor (Aspen 7) using Python. I tried using Specs() but encountered an ...
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29 views

Error during Forest openfermion installation

I tried installing Forest openfermion by pip install forestopenfermion and I got the following long error message (cut): ...
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1answer
108 views

Newbie Project: Calculate a Mersenne Prime with Quantum Computing

I am new to the quantum world and wondering the bounds of which the technology is at the current state of the art: specifically in computing prime numbers. I would like to, if possible, create a ...
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1answer
316 views

How to create the oracle matrix in Grover's algorithm?

I'm trying to implement Grover's algorithm in pyQuil, but I'm having trouble creating the oracle matrix given the function $f$, where $f(x)=1$ if $x=w$ and $f(x)=0$ otherwise. In most of the ...
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2answers
451 views

Measuring the Hamiltonian in the VQE

I am trying to implement VQE in pyQuil and am dumbfounded by how to measure the expectation value of a general Hamiltonian on $\mathbb{C}^{2^n}$ i.e. determine $\langle\psi , H \psi\rangle$ on a ...
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Hamiltonian simulation with complex coefficients

As part of a variational algorithm, I would like to construct a quantum circuit (ideally with pyQuil) that simulates a Hamiltonian of the form: $H = 0.3 \cdot Z_3Z_4 + 0.12\cdot Z_1Z_3 + [...] + - ...