Add affiliations to authors

This adds affiliations to all the authors. It will not be of use for
things like the BibTeX output produced by GitHub, but Zenodo will pay
attention to it (at the next upload to Zenodo).

Author: mhucka

CITATION.cff

@@ -1,106 +1,141 @@
 # Citation information for this repository.                         -*- yaml -*-
 #
-# CITATION.cff files provide human- & machine-readable citation information for
-# software and datasets. GitHub, Zenodo, and the Zotero browser plugin all use
-# CFF files automatically if provided. https://citation-file-format.github.io/.
+# CITATION.cff provide human- & machine-readable citation info for software and
+# datasets. GitHub, Zenodo, and the Zotero browser plugin all use CFF files
+# automatically. Tools exist to generate CITATION.cff files from other formats
+# such as BibTeX. For more info, visit https://citation-file-format.github.io/.
 # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 cff-version: 1.2.0
-message: If you use this software, please cite it using this metadata.
+message: >-
+  Please cite your use of OpenFermion using the reference metadata provided here.
 
-# CITATION.cff files describe how to cite software or datasets, with the goal of
-# making software and data be citable in their own right. However, sometimes
-# projects want citations to go to a paper instead. 'Preferred-citation' serves
-# to communicate that. The distinction matters in different situations. If this
-# field is present, GitHub uses the value for the "cite this repository" button
-# and ignores the rest of this file; conversely, the Zenodo-GitHub integration
-# ignores this field when creating an entry for a new software release because
-# the Zenodo entry is specifically about the software in this repository.
+# If preferred-citation is present, GitHub uses its value for the "cite this
+# repository" button and ignores the rest of this file; conversely, the Zenodo-
+# GitHub integration ignores this field when archiving a new software release
+# and uses the metadata in the rest of this file.
 preferred-citation:
   type: article
   authors:
     - family-names: McClean
       given-names: Jarrod R.
+      affiliation: Google LLC
     - family-names: Rubin
       given-names: Nicholas C.
+      affiliation: Google LLC
     - family-names: Sung
       given-names: Kevin J.
+      affiliation: University of Michigan, Ann Arbor, Michigan, US
     - family-names: Kivlichan
       given-names: Ian D.
+      affiliation: Google LLC
     - family-names: Bonet-Monroig
       given-names: Xavier
+      affiliation: Leiden University, Leiden, NL
     - family-names: Cao
       given-names: Yudong
+      affiliation: Harvard University, Cambridge, Massachusetts, US
     - family-names: Dai
       given-names: Chengyu
+      affiliation: University of Michigan, Ann Arbor, Michigan, US
     - family-names: Fried
       given-names: E. Schuyler
+      affiliation: Harvard University, Cambridge, Massachusetts, US
     - family-names: Gidney
       given-names: Craig
+      affiliation: Google LLC
     - family-names: Gimby
       given-names: Brendan
+      affiliation: University of Michigan, Ann Arbor, Michigan, US
     - family-names: Gokhale
       given-names: Pranav
+      affiliation: University of Chicago, Chicago, Illinois, US
     - family-names: Häner
       given-names: Thomas
+      affiliation: ETH Zurich, Zurich, CH
     - family-names: Hardikar
       given-names: Tarini
+      affiliation: Dartmouth College, Hanover, New Hampshire, US
     - family-names: Havlíček
       given-names: Vojtěch
+      affiliation: Oxford University, Oxford, UK
     - family-names: Higgott
       given-names: Oscar
+      affiliation: University College London, London, UK
     - family-names: Huang
       given-names: Cupjin
+      affiliation: University of Michigan, Ann Arbor, Michigan, US
     - family-names: Izaac
       given-names: Josh
+      affiliation: Xanadu, Toronto, CA
     - family-names: Jiang
       given-names: Zhang
+      affiliation: Google LLC
     - family-names: Liu
       given-names: Xinle
+      affiliation: Google LLC
     - family-names: McArdle
       given-names: Sam
+      affiliation: Oxford University, Oxford, UK
     - family-names: Neeley
       given-names: Matthew
+      affiliation: Google LLC
     - family-names: O'Brien
       given-names: Thomas
+      affiliation: Universiteit Leiden, Leiden, NL
     - family-names: O'Gorman
       given-names: Bryan
+      affiliation: University of California, Berkeley, California, US
     - family-names: Ozfidan
       given-names: Isil
+      affiliation: D-Wave Systems Inc., Burnaby, British Columbia, CA
     - family-names: Radin
       given-names: Maxwell D.
+      affiliation: University of California Santa Barbara, Santa Barbara, California, US
     - family-names: Romero
       given-names: Jhonathan
+      affiliation: Harvard University, Cambridge, Michigan, US
     - family-names: Sawaya
       given-names: Nicolas P. D.
+      affiliation: Harvard University, Cambridge, Michigan, US
     - family-names: Senjean
       given-names: Bruno
+      affiliation: Leiden University, Leiden, NL
     - family-names: Setia
       given-names: Kanav
+      affiliation: Dartmouth College, Hanover, New Hampshire, US
     - family-names: Sim
       given-names: Sukin
+      affiliation: Harvard University, Cambridge, Massachusetts, US
     - family-names: Steiger
       given-names: Damian S.
+      affiliation: Google LLC
     - family-names: Steudtner
       given-names: Mark
+      affiliation: Universiteit Leiden, Leiden, NL
     - family-names: Sun
       given-names: Qiming
+      affiliation: California Institute of Technology, Pasadena, California, US
     - family-names: Sun
       given-names: Wei
+      affiliation: Google LLC
     - family-names: Wang
       given-names: Daochen
+      affiliation: University of Maryland, College Park, Maryland, US
     - family-names: Zhang
       given-names: Fang
+      affiliation: University of Michigan, Ann Arbor, Michigan, US
     - family-names: Babbush
       given-names: Ryan
+      affiliation: Google LLC
   title: 'OpenFermion: The Electronic Structure Package for Quantum Computers'
   year: 2020
   journal: Quantum Science and Technology
   volume: 5
   issue: 3
   doi: 10.1088/2058-9565/ab8ebc
 
-# The remaining metadata describes the current software release.
+# The remaining metadata in this file describes the current software release.
 
 title: OpenFermion
 authors:
@@ -113,6 +148,12 @@ repository-code: https://github.com/quantumlib/openfermion
 license: Apache-2.0
 type: software
 identifiers:
+  - description: Publication about OpenFermion
+    value: 10.1088/2058-9565/ab8ebc
+    type: doi
+  - description: Preprint publication about OpenFermion
+    value: 10.48550/arXiv.1710.07629
+    type: doi
   - description: The home page for OpenFermion
     value: https://quantumai.google/openfermion
     type: url