2020

High-energy Bragg scattering measurements of a dipolar supersolid

Petter, D., Patscheider, A., Natale, G. et al.

Understand

We present an experimental and theoretical study of the high-energy excitation spectra of a dipolar supersolid.

Using Bragg spectroscopy, we study the scattering response of the system to a high-energy probe, enabling measurements of the dynamic structure factor.
We experimentally observe a continuous reduction of the response when tuning the contact interaction from an ordinary Bose-Einstein condensate to a supersolid state.
Yet the observed reduction is faster than the one theoretically predicted by the Bogoliubov-de-Gennes theory.

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