4 papers
Dynamics and thermodynamics in spinor quantum gases
H. Schmaljohann, M. Erhard, J. Kronjäger +2
We discuss magnetism in spinor quantum gases theoretically and experimentally with emphasis on temporal dynamics of the spinor order parameter in the presence of an external magnet…
Bose-Einstein condensation at constant temperature
M. Erhard, H. Schmaljohann, J. Kronjäger +2
We present a novel experimental approach to Bose-Einstein condensation by increasing the particle number of the system at almost constant temperature. In particular the emergence o…
Measurement of a Mixed Spin Channel Feshbach Resonance in Rubidium 87
M. Erhard, H. Schmaljohann, J. Kronjäger +2
We report on the observation of a mixed spin channel Feshbach resonance at the low magnetic field value of (9.09 +/- 0.01) G for a mixture of |2,-1> and |1,+1> states in 87Rb. This…
Dynamics of F=2 Spinor Bose-Einstein Condensates
H. Schmaljohann, M. Erhard, J. Kronjäger +5
We experimentally investigate and analyze the rich dynamics in F=2 spinor Bose-Einstein condensates of Rb87. An interplay between mean-field driven spin dynamics and hyperfine-chan…