1. SRTV ‐ Studioul TVR Iaşi and University Appolonia 2 Muzicii street Iaşi 700399 Romania
2. Department of Physics California State University Fresno Fresno CA 93740‐8031 USA
3. Kavli Insitute for Theoretical Physics University of California Santa Barbara Santa Barbara CA 93106 USA
4. Department of Physics California State University at Fresno Fresno CA 93740 USA
5. Institute of Applied‐Physics and Computer Sciences Kotsyubinsky 2 Chernivtsi 58012 Ukraine
6. CAS Center for Advanced Studies Ludwig‐Maximilians‐Universität Seestrasse 13 München 80802 Germany
7. Department of Physics Kocaeli University Izmit 41380 Turkey