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We currently have `Operator` (an `AbstractHamiltonian` wrapper, created e.g. with `current(h; direction = ...)`, with scalar eltype), `BarebonesOperator` (a container of sparse Bloch harmonics of arbi…
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There seems to be an error when installing openfermion with pip into a specific target dir.
When running
`pip install -t target openfermion`,
I get
`WARNING: Target directory /xxx/target/openfermi…
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Solve the tight-binding chain hamiltonian,
with on-site energy e0=0.2, hopping t = 1 and chain length N=100.
1. write down the hamiltonian.
2. plot the band in k-space.
3. show the density of states(D…
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Dear Developers,
I am trying to get a band structure using HopTB, and I already have Hamiltonian from DeepH. I would also like to be able to use other calculated modules.
Could you please tell me …
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Hi,
Noob here. Tried to time-evolve a TB Hamiltonian for spinless fermions, strting from a half-filled state
```python
import fqe
from openfermion import FermionOperator,hermitian_conjuga…
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We are implementing FanPT. The basic idea is in the [recent paper](https://pubs.acs.org/doi/full/10.1021/acs.jpca.4c00855).
Recall that the FanCI equations are
$$
\braket{\mathbf{m}|\hat{H}|\Ps…
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# Abstract
Consider a fermionic system described by the hamiltonian 𝐻. Using Qiskit Chemistry, 𝐻
is written with the Pauli matrix formalism. We propose the following tasks:
• Add additional constra…
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![flowchart](https://user-images.githubusercontent.com/4573907/40114197-4aeff86e-590c-11e8-917f-b8e18ca9b6f4.png)
![crittical_current](https://user-images.githubusercontent.com/4573907/40114209-50e3e…
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- [ ] MALA
- [ ] Relativistic MC
- [ ] Hamiltonian MCMC
@MichaelClerx thanks for pointing these out!
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The matrix generated by the following is hermitian
```python
import numpy as np
import scipy.sparse
import scipy.linalg as la
import scipy.io
from quspin.operators import hamiltonian
from …