Authors: Jan Steinhoff, Steven Hergt, Gerhard Schäfer Date: 11 Dec 2007 Abstract: Based on recents developments by the authors it is shown that the next-to-leading order spin(1)-spin(2) coupling potential recently derived by Porto and Rothstein cannot be regarded as correct if their variables, as claimed, belong to canonical ones in standard manner. |
0712.1716
(/preprints)
2007-12-11, 20:20
[edit]