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# Abstract
Qiskit optimization automatically generates an Ising Hamiltonian for an optimization problem and you can solve it with quantum computers by applying VQE or QAOA. Let's come up with a uniqu…
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**Is your feature request related to a problem? Please describe.**
Allow applying uniform external electrical fields to tight binding calculations.
**Describe the solution you'd like**
- allow ad…
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@mrshirts @jpotoff @msoroush
> On page 5 in the third paragraph the authors admit that GCMC-MBAR is very similar to HS-GCMC in nature. They are both powerful tools to optimize force field paramete…
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## Describe the missing feature
The current Qubit class in the chip module is not suitable for a Rydberg Atom simulation.
In particular, I am interested in the position of a qubit in a lattice and …
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**Describe the bug**
I have been having fun playing with `xtb`, but I keep running into a problem for crystals. I raise it here as I have checked with the conda version on mac, the precompiled linux …
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We recently had our first outside contributor add to TFQ datasets. Big thanks @therooler and the rest of the U of T folks! Now that we have our first example in place, let's use this issue to plan out…
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**Describe the feature**
A suite of tight-binding models typically used for testing and general purpose, lets first compose a list of useful tight-binding models:
- [x] graphene, possible argument…
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Hi @BoxiLi I am starting to build new devices and noticed that we have a slightly split file/directory structure for the pulse-level simulation code that could be more modular/compact. In any new devi…
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**Describe the bug**
Essentially: if you use spin_basis_general with particle conservation symmetry, where Nup is a list and not a single value, and then create a Hamiltonian using this, the resultan…
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* [Link](https://arxiv.org/pdf/1904.04815.pdf)
* Title: Local constraints can globally shatter Hilbert space: a new route to quantum
information protection
* Keywords (optional): fracton, quantum s…