Original language | American English |
---|---|
Article number | 268901 |
Journal | Physical Review Letters |
Volume | 93 |
Issue number | 26 I |
DOIs |
|
State | Published - 31 Dec 2004 |
Externally published | Yes |
Bibliographical note
Funding Information:R. S. gratefully acknowledges financial support by the Emmy-Noether Programme of the German Research Foundation (DFG) under Grant No. SCHU 1557/1-1. G. P. acknowledges support by BMBF, DFG, and GSI (Darmstadt).