reprint,amsmath,amssymb,aps,]revtex4-1 An article usually includes an abstract, a concise summary of the work covered at length in the main body of the article.
Secondary publications and information retrieval purposes.
May be entered using the \pacs{#1} command.
You may use the description environment to structure your abstract;
use the optional argument of the \item command to give the category of each item.