gistfile1.txt

from haystack.indexes import *
from haystack import site
from publications.models import Publication

class PublicationIndex(SearchIndex):
    text = CharField(document=True, use_template=True)
    author = MultiValueField()

    def prepare_author(self, obj):
        return [unicode(a) for a in obj.authors.all()]

site.register(Publication, PublicationIndex)