期刊
EUROPEAN PHYSICAL JOURNAL D
卷 12, 期 2, 页码 255-261出版社
SPRINGER-VERLAG
DOI: 10.1007/s100530070020
关键词
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Spin precession is investigated through a pump-probe technique which represents an alternative method to previous investigations by wavepacket interferometry. The excited wavepacket corresponds to a precession of spin and orbital angular momentum around the total angular momentum. We discuss and compare two equivalent descriptions of the phenomena, one given in the stationary states and the other in the bright state-dark state formalism. We show that this latter formalism is the most appropriate to describe the dynamics.
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