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Observation of second- and higher-order electric quadrupole interactions with an atomic ion
Physical Review Research ( IF 3.5 ) Pub Date : 2021-08-02 , DOI: 10.1103/physrevresearch.3.l032032 Gerard Higgins , Chi Zhang , Fabian Pokorny , Harry Parke , Erik Jansson , Shalina Salim , Markus Hennrich
Physical Review Research ( IF 3.5 ) Pub Date : 2021-08-02 , DOI: 10.1103/physrevresearch.3.l032032 Gerard Higgins , Chi Zhang , Fabian Pokorny , Harry Parke , Erik Jansson , Shalina Salim , Markus Hennrich
We observe an atomic ion's response to an electric quadrupole field to second and higher orders; this arises from the ion's electric quadrupole polarizability and hyperpolarizabilities. We probe a single ion which is confined in the electric fields of a Paul trap and excited to Rydberg states. The quadrupolar trapping fields cause atomic energy level shifts and give rise to spectral sidebands. The effects on Rydberg states are described well by second-order perturbation calculations. The stronger effects on Rydberg states are captured by full diagonalization of the Hamiltonian.
中文翻译:
观察二阶和更高阶电子四极杆与原子离子的相互作用
我们观察到原子离子对二阶和更高阶四极电场的响应;这是由离子的电四极极化率和超极化率引起的。我们探查单离子被限制在保罗陷阱的电场中并激发到里德堡态。四极俘获场导致原子能级偏移并产生光谱边带。对里德堡的影响通过二阶微扰计算很好地描述了状态。对里德堡的更强影响 通过哈密顿量的完全对角化来捕获状态。
更新日期:2021-08-02
中文翻译:
观察二阶和更高阶电子四极杆与原子离子的相互作用
我们观察到原子离子对二阶和更高阶四极电场的响应;这是由离子的电四极极化率和超极化率引起的。我们探查单离子被限制在保罗陷阱的电场中并激发到里德堡态。四极俘获场导致原子能级偏移并产生光谱边带。对里德堡的影响通过二阶微扰计算很好地描述了状态。对里德堡的更强影响 通过哈密顿量的完全对角化来捕获状态。