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Generating multimode entangled microwaves with a superconducting parametric cavity (2018)
Journal Article
Chang, C. S., Simoen, M., Aumentado, J., Sabín, C., Forn-Díaz, P., Vadiraj, A., …Wilson, C. (2018). Generating multimode entangled microwaves with a superconducting parametric cavity. Physical Review Applied, 10(4), Article 044019. https://doi.org/10.1103/PhysRevApplied.10.044019

We demonstrate the generation of multimode entangled states of propagating microwaves. The entangled states are generated by our parametrically pumping a multimode superconducting cavity. By combining different pump frequencies, applied simultaneousl... Read More about Generating multimode entangled microwaves with a superconducting parametric cavity.

Dynamical response of Bose-Einstein condensates to oscillating gravitational fields (2018)
Journal Article
Rätsel, D., Howl, R., Lindkvist, J., & Fuentes, I. (2018). Dynamical response of Bose-Einstein condensates to oscillating gravitational fields. New Journal of Physics, 20(7), 073044. https://doi.org/10.1088/1367-2630/aad272

© 2018 The Author(s). Published by IOP Publishing Ltd on behalf of Deutsche Physikalische Gesellschaft. A description of the dynamical response of uniformly trapped Bose-Einstein condensates (BECs) to oscillating external gravitational fields is deve... Read More about Dynamical response of Bose-Einstein condensates to oscillating gravitational fields.

Analogue simulation of gravitational waves in a 3+1 -dimensional Bose-Einstein condensate (2018)
Journal Article
Hartley, D., Bravo, T., Rätzel, D., Howl, R., & Fuentes, I. (2018). Analogue simulation of gravitational waves in a 3+1 -dimensional Bose-Einstein condensate. Physical Review D, 98(2), Article 025011. https://doi.org/10.1103/PhysRevD.98.025011

The recent detections of gravitational waves (GWs) by the LIGO and Virgo collaborations have opened the field of GW astronomy, intensifying interest in GWs and other possible detectors sensitive in different frequency ranges. Although strong GW produ... Read More about Analogue simulation of gravitational waves in a 3+1 -dimensional Bose-Einstein condensate.

Frequency spectrum of an optical resonator in a curved spacetime (2018)
Journal Article
Rätzel, D., Schneiter, F., Braun, D., Bravo, T., Howl, R., Lock, M. P., & Fuentes, I. (2018). Frequency spectrum of an optical resonator in a curved spacetime. New Journal of Physics, 20(5), Article 053046. https://doi.org/10.1088/1367-2630/aac0ac

The effect of gravity and proper acceleration on the frequency spectrum of an optical resonator—both rigid or deformable—is considered in the framework of general relativity. The optical resonator is modeled either as a rod of matter connecting two m... Read More about Frequency spectrum of an optical resonator in a curved spacetime.