Spatial force correlations in granular shear flow

Authors: Gregg Lois, Anaël Lemaître and Jean M. Carlson http://arxiv.org/abs/cond-mat/0612679 Phys. Rev. E, 76, 021302 (2007) Recommended with Commentary by R.P. Behringer, Duke University | View Commentary (pdf) | JCCM_August07_01

Interplay between electron-phonon and Coulomb interactions

Authors: O. Gunnarsson and O. Rösch http://arxiv.org/abs/0708.1407 Recommended with a Commentary by Claudio Castellani, Universita’ di Roma | View Commentary (pdf) | JCCM_August07_02

Novel metallic and insulating states at a bent quantum Hall junction.

Authors: M. Grayson, L. Steinke, D. Schuh, M. Bichler, L. Hoeppel, J. Smet, K. v. Klitzing, D. K. Maude, and G. Abstreiter. http://arxiv.org/abs/cond-mat/0701295 Recommended with a Commentary by Bertrand I. Halperin, Harvard University | View Commentary (pdf) | JCCM_August07_03