Rights:
© 2004 American Physical Society (APS). This is the accepted version of the following article: Alava, Mikko J. & Chattopadhyay, Amit K. 2004. Fluctuations and correlations in sandpiles and interfaces with boundary pinning. Physical Review E. Volume 69, Issue 1. 016104/1-5. ISSN 1539-3755 (printed). DOI: 10.1103/physreve.69.016104, which has been published in final form at http://journals.aps.org/pre/abstract/10.1103/PhysRevE.69.016104.