Abstract
We show how time-dependent magnetic fields lead to spin motive forces and spin drag in a spinor Bose gas. We propose to observe these effects in a toroidal trap and analyze this particular proposal in some detail. In the linear-response regime we define a transport coefficient that is analogous to the usual drag resistivity in electron bilayer systems. Because of Bose enhancement of atom-atom scattering, this coefficient strongly increases as temperature is lowered. We also investigate the effects of heating.
| Original language | Undefined/Unknown |
|---|---|
| Pages (from-to) | 170401/1-170401/4 |
| Number of pages | 4 |
| Journal | Physical Review Letters |
| Volume | 103 |
| Issue number | 17 |
| Publication status | Published - 2009 |