Physical Review LettersFeng and Kumar Reply:Sheng Feng, Prem KumarPublished Oct 2, 2009• 0 citationsPublisherAbstractA Reply to the Comment by Geraldo A. Barbosa.Received 11 September 2009DOI:https://doi.org/10.1103/PhysRevLett.103.149304©2009 American Physical SocietyDOI10.1103/physrevlett.103.149304