qiskit-aer

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### Summary Enhance `AerState` by adding `initialize_density_matrix()` as well as `initialize_statevector` ### Details and comments To implement `AerDensitymatrix`, initialization of density matrix with ndarray is necessary.

hhorii

Bug in circuit distribution using MPI on multiple GPUs

1

### Informations - **Qiskit Aer version**: 0.11.0 - **Python version**: 3.8.10 - **Operating system**: Ubuntu 20.04 - **mpirun version**: Open MPI 4.0.3 ### What is the current behavior? Segmentation error...

dotslaser

Noise model from ibm calibration data instead of backend

1

In the page of all ibm systems https://quantum-computing.ibm.com/services/resources?tab=systems calibration data is provided for quantum machines with larger number of qubits. However, with the NoiseModel.from_backend(backend) method, since I cannot access those...

YZ1999

### Summary Resolves #1594 ### Details and comments Before: After:

ikkoham

[perf] Avoid parameter binding

2

### Summary This PR avoid parameter binding not to copy QuantumCircuit deeply in assemble. ### Details and comments

ikkoham

cuStateVec_enable=True not working

3

### Informations - **Qiskit Aer version**: 0.11.0 (qiskit-aer-gpu) - **Python version**: 3.7.14 - **Operating system**: Linux ### What is the current behavior? Passing `cuStateVec_enable=True` as a parameter to `AerSimulator` and...

Gopal-Dahale

Primitives support run method in Terra 0.22

2

### Summary This PR depends on the following PRs. https://github.com/Qiskit/qiskit-terra/pull/8684 https://github.com/Qiskit/qiskit-terra/pull/8604 https://github.com/Qiskit/qiskit-terra/pull/8837 Once it is determined what these PRs will be, I believe merging this PR is possible even before...

ikkoham

### Informations - **Qiskit Aer version**: 0.11 - **Python version**: - **Operating system**: ### What is the current behavior? This fails: ```python sim = AerSimulator.from_backend(fake_provider.FakeAuckland()) ``` `AerError: 'AerSimulator.from_backend does not...

nonhermitian

### Summary This PR is implementation of optimization for multi-shots simulations with operations with randomness (measure, reset, initialize, kraus or noise sampling) ### Details and comments Starting from 1 state,...

doichanj

Reduce snapshot from cpp sources

2

### Summary #1591 removed snapshot instructions from python. This PR removes snapshots from cpp. ### Details and comments Because of the removal of snapshot instructions in #1591, cpp implementation for...

hhorii