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Hi ipie developers,
I am trying to run the legacy example Hubbard model. What are the necessary steps to "resurrect" the code? It seems like the system name "Hubbard" in the input file has no corresp…
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# Description
Currently most of the tutorials in Qiskit Nature deal with solving problems in quantum chemistry, and they are very much tied to the use of molecular Hamiltonians, and quantum chemistry…
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_The following peer review was solicited as part of the Distill review process._
_**The reviewer chose to keep anonymity.** Distill offers reviewers a choice between anonymous review and offering r…
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Dear developers,
I checked the example 24-k_points_vs_gamma.py in pyscf/examples/pbc/.
It gives the following results:
Difference between gamma/k-point mean-field calculation = 6.197709012667…
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Currently, hbar = 1 is implicitly assumed. Should we relax this? If so, what's the preferable way?
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Hello,
For a tutorial, I am trying to do something very simple, calculating the expectation value of:
Instead of:
```
hamiltonian = random_pauli_str_generator(N, terms=1)
```
How can i specify…
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### Feature Description
It would be great to have the functionality to build `QuantumSystem`s using [operators](https://docs.qojulia.org/quantumobjects/operators/) from QuantumOptics.jl. This shoul…
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This is not much code related but it would serve as a nice example.
I'm trying to compute the Chern number for the Haldane model using the new feature that computes the berry flux and berry phase.…
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Hi, when I read the guide file of HPhi, I found that there were two files Trans (sec. 4.5) and Pair Excitation (sec. 4.17). But both of them included the terms c_{i, \sigma_1} c_{j, \sigma_2}^{\dagger…
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Hi,
I newly installed last version (`v-1.3.3`) of TeNeS. I can run samples code in sample folder of TeNeS.
In previous version (`v-1.2`), I introduced my lattice in `tenes_simple.py` file and it w…