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**Describe the bug**
Job never finishes when using EstimatorV2 with a parametrized circuit, custom gates and pulse calibrations.
**Steps to reproduce**
This is a simple example to reproduce this…
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**Description**
Implement a custom optimizer for Qiskit specifically designed to work with IonQ's trapped-ion quantum computers. The optimizer should be able to transpile quantum circuits into the …
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The current implementation only works for basic 2x2 gates that act on a single qubit. Need to expand/redo the implementation of quantum circuits to make it work for different gates e.g. the controlled…
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### Environment
- **Qiskit version**: 1.1.2
- **Python version**: 3.10.7
- **Operating system**: Windows 11
### What is happening?
A simple circuit with 1 delay gate on single qbit on ibm…
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**Describe the feature you'd like**
Stabilizer circuits can be [classically simulated efficiently](https://en.wikipedia.org/wiki/Gottesman%E2%80%93Knill_theorem), and are very useful in quantum infor…
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Hello,
I am testing `qiskit-symb` with `FidelityStatevectorKernel`, but encounter the following error: 'Statevector' object has no attribute 'data'
```
from qiskit_symb.quantum_info import Sta…
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## Color codes support for Quantum Clifford's ECC module
After Surface codes, color codes seem to be the most popular topological error correcting codes, and it would be nice to have them available…
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I want to classically simulate quantum circuits with noise. I'm interested in simple noise models, such as depolarizing noise, bitflip, etc.
If I use the following noise model:
`prob_2 = 0.001`
…
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Attempts to submit QIR generated by `pytket_to_qir()` via azure-quantum currently fail with
```
RuntimeError: Cannot retrieve results as job execution failed(status: Failed.error: {'additional_pro…
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After investigating #1324, it seems the bug is not in `SquashRzPhasedX`, but in the command iteration utility. In fact, consider the following circuit:
```c++
Circuit c(2, 1);
c.add_op(OpType…