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Lausanne 2017Version 4 out and rockingYambo-pyFLASH-IT

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A bar entitled to Yambo in Rome Yambo road, bar & restaurant

Frequently Asked Questions (FAQ)


What's with the name?
Don't worry about it, it's just a silly name. It doesn't stand for anything like Yet Another Many-Body cOde, for instance. Unless you really want it to.
How should I cite Yambo?
We would appreciate it if you cited Yambo in any publications you make using the code. The primary reference for Yambo is the article:

Yambo: an ab initio tool for excited state calculations
Andrea Marini, Conor Hogan, Myrta Grüning, Daniele Varsano
Comp. Phys. Comm. 180, 1392 (2009). [pdf]


Can Yambo handle calculations based on Ultrasoft pseudopotentials?
No: only norm conserving pseudopotentials should be used with Yambo.
Can Yambo handle spin?
Yes. Since 27/02/2013 the GPL version of yambo can handle spin-polarized wave-functions and spinors. Check it out.
Why can't I check out the repository version?
Although access to the subversion repository is open to all, you need to register on the qe-forge portal and upload your public ssh key. Log in, click "My Account" in the top right corner and add your public ssh key at the bottom of the page.
I want to reproduce result X from publication Y, but the version of Yambo I downloaded doesn't seem to be able to do that kind of calculation. What's going on?
Tough luck: not all of Yambo is available in the GPL version. Maybe wait a few years.
I found a bug in Yambo...what should I do?
Have a look at the source code, debug it, and send us a patch. That is: if it really IS a bug.
The information I need is not in the documentation or in this FAQ. What should I do?
Slowly but surely as we get more feedback, we will improve the user experience and support. The best place to start is to post your question in the forum. Be patient. If all else fails, consider getting in contact.
How do you get down off a horse?
You don't: you get down off a duck.