American Physical Society provides RSS feeds!

"The American Physical Society (APS) is now providing content awareness using Really Simple Syndication (RSS) feeds as a convenience to our readers.

Journal feeds contain recently published articles in each journal and are updated as new articles are published.

A list of all available feeds along with a FAQ can be found at http://feeds.aps.org/ or by following the RSS link on journal home and Scitation pages"

-Robert Kelly - Director - Journal Information Systems - The American Physical Society