Circuit to einsum conversion
zohimchandani opened this issue · 2 comments
zohimchandani commented
Required prerequisites
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Describe the feature
For an upcoming demo, we need cuQuantum to accept CUDA-Q circuits into the CircuitToEinsum function here.
zohimchandani commented
from cuquantum import cutensornet as cutn
from cuquantum import contract, CircuitToEinsum
import torch
from qiskit.circuit import QuantumCircuit, Parameter
num_qubits = 1
measurement_ops = 'Z'
light_cone = True
# Define the quantum circuit with one qubit and two parameters
theta = Parameter('θ')
phi = Parameter('φ')
circuit = QuantumCircuit(num_qubits)
circuit.rx(theta, 0)
circuit.ry(phi, 0)
circuit = circuit.bind_parameters({theta: parameters[0], phi: parameters[1]})
converter = CircuitToEinsum(circuit, backend='torch')
einsum_expression, tensor_operands = converter.expectation(measurement_ops, light_cone)
Here we can see that it can accept a Qiskit circuit, we would like it to accept CUDA-Q too.
Thanks
zohimchandani commented
Request to cuQuantum here