1. a Lawrence Livermore National Laboratory , Livermore , CA , 94550
2. b IBM Research Division , Thomas J. Watson Research Center , Yorktown Heights , NY , 10598
3. c University of Tennessee , Knoxville , TN , 37996
4. d Lawrence Berkeley Laboratory , Berkeley , CA , 94720
5. e Department of Physics , U.C. Berkeley , CA , 94720
6. f IBM Research Division , Almaden Research Center , 650 Harry Road, San Jose , CA , 95120-6099
7. g Tulane University , New Orleans , LA , 70118