QuantumCollocation.jl

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### Feature Description Need exponential integrators for certain problems ### Importance 1 (lowest) ### What does this feature affect? - [ ] quantum system construction - [X] problem setup -...

aarontrowbridge

[Feature]: Adding Engaging Visual Elements/Map in Documentation

9

### Feature Description  ### Importance 4 ### What does this feature affect? - [ ] quantum system construction - [ ] problem setup - [ ] problem solution -...

Fe-r-oz

This pull request changes the compat entry for the `CairoMakie` package from `0.10, 0.11` to `0.10, 0.11, 0.12`. This keeps the compat entries for earlier versions. Note: I have not...

github-actions[bot]

### Feature Description Quantum collocation currently has a `UnitaryRobustnessProblem`, which can be used to make a control solution robust to an error operator. However, there is more than one way...

andgoldschmidt

### Feature Description Currently the final timestep, which is not physical, is used to store the value that is used to constrain all the time steps to be equal. This...

aarontrowbridge

[Feature]: rydberg gate problem templates

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### Feature Description We would love to compare Piccolo with the results in [Time-Optimal Two- and Three-Qubit Gates for Rydberg Atoms](https://arxiv.org/abs/2202.00903). This should be a straightforward task where one -...

aarontrowbridge

### Feature Description Seeking a quantum system template to build Cat qubit Hamiltonians. Figuring out exactly how to approach this is needed work. See this [thesis](https://hal.science/tel-04362128/document) by Ronan Gautier for...

aarontrowbridge

**Is your feature request related to a problem? Please describe.** Min time and robustness problem templates constructed from a `QuantumControlProblem` use the problem's constraints and objective. Sometimes, we might want...

andgoldschmidt

[Feature] Quadratic regularizer with nonzero baseline

1

**Is your feature request related to a problem? Please describe.** Sometimes we might want to keep controls or trajectories close to some baseline. Currently, $||a||_R$ is allowed, but the new...

andgoldschmidt

### Feature Description In certain situations, it is convenient to define a unitary infidelity loss that takes into account the ability of the hardware to easily handle [*virtual Z-gates*](https://pulser.readthedocs.io/en/stable/tutorials/phase_shifts_vz_gates.html). A...

aarontrowbridge