Spinor condensates with a laser-induced quadratic Zeeman effect
Anno: 2007
Autori: Santos L., Fattori M., Stuhler J., Pfau T.
Affiliazione autori: Institut für Theoretische Physik, Leibniz Universität Hannover, Appelstr. 2, D-30167 Hannover, Germany; 5. Physikalisches Institut, Universität Stuttgart, Pfaffenwaldring 57 V, D-70550 Stuttgart, Germany
Abstract: We show that an effective quadratic Zeeman effect for trapped atoms can be generated by proper laser configurations and, in particular, by the dipole trap itself. The induced quadratic Zeeman effect leads to a rich ground-state phase diagram, e.g., for a degenerate Cr-52 gas, can be used to induce topological defects by controllably quenching across transitions between phases of different symmetries, allows for the observability of the Einstein-de Haas effect for relatively large magnetic fields, and may be employed to create S=1/2 systems with spinor dynamics. Similar ideas could be explored in other atomic species opening an exciting new control tool in spinor systems.
Giornale/Rivista: PHYSICAL REVIEW A
Volume: 75 (5) Da Pagina: 053606-1 A: 053606-4
Parole chiavi: Ground state; Magnetic field effects; Phase diagrams; Quenching; Spin dynamics, Einstein-de Haas effect; Spinor condensates; Spinor dynamics; Zeeman effect, Bose-Einstein condensationDOI: 10.1103/PhysRevA.75.053606Citazioni: 46dati da “WEB OF SCIENCE” (of Thomson Reuters) aggiornati al: 2024-05-12Riferimenti tratti da Isi Web of Knowledge: (solo abbonati) Link per visualizzare la scheda su IsiWeb: Clicca quiLink per visualizzare la citazioni su IsiWeb: Clicca qui