Observation of pendular butterfly Rydberg molecules.
Observation of pendular butterfly Rydberg molecules.
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DOI:
10.1038/ncomms12820
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发表时间:
2016-10-05
影响因子:
16.6
通讯作者:
Ott, Herwig
中科院分区:
文献类型:
--
作者:
Niederpruem, Thomas;Thomas, Oliver;Eichert, Tanita;Lippe, Carsten;Perez-Rios, Jesus;Greene, Chris H.;Ott, Herwig
Engineering molecules with a tunable bond length and defined quantum states lies at the heart of quantum chemistry. The unconventional binding mechanism of Rydberg molecules makes them a promising candidate to implement such tunable molecules. A very peculiar type of Rydberg molecules are the so-called butterfly molecules, which are bound by a shape resonance in the electron–perturber scattering. Here we report the observation of these exotic molecules and employ their exceptional properties to engineer their bond length, vibrational state, angular momentum and orientation in a small electric field. Combining the variable bond length with their giant dipole moment of several hundred Debye, we observe counter-intuitive molecules which locate the average electron position beyond the internuclear distance. Rydberg molecules have potential for ultracold chemistry applications in light of their unconventional binding mechanism that provides high tunability. Here the authors observe and control butterfly Rydberg molecules, which are bound by a shape resonance in the electron-perturber scattering.
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通讯作者:
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