app/views/search/_article_author.html.erb
<% article = article_author %>
<div class="search-article-author search-article-author-name">
<span class="search-field-label"><%= _("Author") %></span>
<% if article.author.present? %>
<%= link_to_profile article.author.name, article.author.identifier %>
<% else %>
<span><%= article.author_name %></span>
<% end %>
</div>