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Given the implementation of the Heisenberg model, I have concerns regarding how flexible the model terms are. From playing around with it, I'm assuming I can only specify site and nearest neighbor int…
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In the model below, I set Lanczos_max to 8000, but it still doesn't converge. What could be the reason for this? How should I resolve this issue? In regular training, is it better to have a larger Lan…
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Hi,
I am running a 2×2 unit cell Heisenberg model and repeatedly receive the following warning:
`┌ Warning: svd cotangents sensitive to gauge choice: (|Δgauge| = 1.0548972842168783e-8)
└ @ Tensor…
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The spanish Spotify HQ address is:
```
C/ Eloy Gonzalo 27, 6ª planta
28010 Madrid
Spain
```
which fails in Pelias.
If I replace the C/ with Calle I get the right result.
```
Calle Eloy Gonz…
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Hi all,
I've been using OpenFermion to study some simple spin models on the Honeycomb lattice related to the Kitaev model, and it occurred to me, given the popularity of the Kitaev model and other …
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您好,请教一下 对于 Heisenberg model 是不是一定要设 Single-ion anisotropy
对于一个特定的晶体模型怎么得到这个参数呢,通过DFT软件的计算结果能不能求?
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* [Link](https://journals.aps.org/prb/pdf/10.1103/PhysRevB.54.13047)
* Title: Exact-diagonalization method for correlated-electron models
* Keywords (optional): ED, SU(2) symmetry, Hubbard model
* …
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Gert Brodin, Jens Zamanian
> As is well-known, for plasmas of high density and modest temperature, the classical kinetic theory needs to be extended. Such extensions can be based on the Schrödinger…
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Hello,
I am trying to set the total spin of the Heisenberg chain model S_tot=contant as I would like to get the spectrum of a particular spin sector. I noticed that there is an option to set the z …
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Dear DSQSS developer,
Thank you for your nice package.
I am studying the 2D frustrated spin models.
Is it possible to use the DSQSS package for investigating the low-temperature magnetization of …