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Comment on ``Critical current density from magnetization hysteresis data using the critical-state model''

arXiv:cond-mat/0106391

Abstract

A recent paper [Physical Review {\bf B 64} 014508 (2001)] claims to present an exact method to extract the critical current density J$_C$ from the M-H hysteresis curve. We show that this claim appears unjustified.

4 pages of TeX file