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So far, when taking expectation values, I convert to quimb operators manually. For instance, given a `CircuitMPS`:
```python
mps.local_expectation(quimb.pauli('Z') & quimb.pauli('Z'), (3, 4)).rea…
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### Informations
- **Qiskit Aer version**: 0.14.0
- **Python version**: 3.11.6
- **Operating system**: Ubuntu 23.10
### What is the current behavior?
I am running a code to create GHZ s…
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So, when it comes to measuring the two qubits in different basis, we just rotate the state of one of the qubits and then measure it.
Is it, instead of rotating the basis we rotate the state, like as …
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The idea is to prevent needing to add a 4 qumode, 5, qumode, 6 qumode, etc. squeeze gate.
See #131
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### Environment
- **Qiskit Algorithms version**: 1.2.1
- **Python version**: 3.12.0
- **Operating system**: Ubuntu 22.04.4
### What is happening?
Since the release of the version Qiskit 1.2 the…
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### Environment
- **Qiskit version**: '0.46.0'
- **Python version**: 3.12.3
- **Operating system**: Ubuntu
### What is happening?
```python
four_qubits = QuantumRegister(4, name="q")
te…
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I was looking at `PauliPreparationBasis` for `ProcessTomography`. However, it is unclear to me how those bases will eventually be used to construct the channel matrix elements (i.e. for arbitrary basi…
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With continued improvements in the cost of preparing resource states for non-Clifford gates, particularly the recent preprint [Magic state cultivation: growing T states as cheap as CNOT gates](https:/…
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Hi everyone,
I would like to know if there is a way to reset a qubit to the |0⟩ state in ProjectQ without performing a measurement. The reason is that after measuring, I am unable to use the comput…
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### What should we add?
`apply_layout` was added to SparsePauliOp at some point, but not to other operators (eg Pauli).
This method could in theory be added to `BaseOperator` to apply to any ope…