Introducing a dressed-state description,we show that a trapped ion in a standing wave field can be described by a nonlinear Jaynes-Cummings model different from the counterpart of Vogel and Matos Filho[Phys.Rev.A 52(1...Introducing a dressed-state description,we show that a trapped ion in a standing wave field can be described by a nonlinear Jaynes-Cummings model different from the counterpart of Vogel and Matos Filho[Phys.Rev.A 52(1995)4214]in several aspects,which may carry important implications for the preparation and reconstruction of the nonclassical states of a trapped ion.展开更多
Variations of the hysteresis of the rf detection signals corresponding to the axial motion of an ion cloud in a Paul trap versus the detection voltage,operation parameters and number of ions have been observed.The fea...Variations of the hysteresis of the rf detection signals corresponding to the axial motion of an ion cloud in a Paul trap versus the detection voltage,operation parameters and number of ions have been observed.The features are explained by an extended pseudopotential model with an octupole potential correction and an effective potential from the ion cloud.展开更多
基金Supported in part by the National Natural Science Foundation of China under Grant No.69688004,69788002the Trans-Century Training Programme Foundation for the Talents by the Chinese State Education Commissionthe National Laboratory of MRAMP at Wuhan Institute of Physics and Mathematics,Chinese Academy of Sciences.
文摘Introducing a dressed-state description,we show that a trapped ion in a standing wave field can be described by a nonlinear Jaynes-Cummings model different from the counterpart of Vogel and Matos Filho[Phys.Rev.A 52(1995)4214]in several aspects,which may carry important implications for the preparation and reconstruction of the nonclassical states of a trapped ion.
基金Supported by the National Natural Science Foundation of China under Grant No.19674066.
文摘Variations of the hysteresis of the rf detection signals corresponding to the axial motion of an ion cloud in a Paul trap versus the detection voltage,operation parameters and number of ions have been observed.The features are explained by an extended pseudopotential model with an octupole potential correction and an effective potential from the ion cloud.
