Sadgrove Mark, Wimberger Sandro, Parkins Scott, Leonhardt Rainer
Department of Physics, University of Auckland, Private Bag 92019, Auckland, New Zealand.
Phys Rev Lett. 2005 May 6;94(17):174103. doi: 10.1103/PhysRevLett.94.174103. Epub 2005 May 4.
We present mean energy measurements for the atom optics kicked rotor as the kicking period tends to zero. A narrow resonance is observed marked by quadratic energy growth, in parallel with a complete freezing of the energy absorption away from the resonance peak. Both phenomena are explained by classical means, taking proper account of the atoms' initial momentum distribution.
我们给出了原子光学踢转子在踢动周期趋于零时的平均能量测量结果。观察到一个以二次能量增长为特征的窄共振,同时在远离共振峰处能量吸收完全冻结。这两种现象都用经典方法进行了解释,其中适当考虑了原子的初始动量分布。