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Quantum Gas Mixtures and Dual-Species Atom Interferometry in Space by Elliott, Ethan R.; Aveline, David C.; Bigelow, Nicholas P.; Boegel, Patrick; Botsi, Sofia; Charron, Eric; D'Incao, José P.; Engels, Peter; Estrampes, Timothé; Gaaloul, Naceur; Kellogg, James R.; Kohel, James M.; Lay, Norman E.; Lundblad, Nathan; Meister, Matthias; Mossman, Maren E.; Müller, Gabriel; Müller, Holger; Oudrhiri, Kamal; Phillips, Leah E.; Pichery, Annie; Rasel, Ernst M.; Sackett, Charles A.; Sbroscia, Matteo; Schleich, Wolfgang P.; Thompson, Robert J.; Williams, Jason R. is a scholarly article available to read on EtoBox.

What is Quantum Gas Mixtures and Dual-Species Atom Interferometry in Space about?

The capability to reach ultracold atomic temperatures in compact instruments has recently been extended into space. Ultracold temperatures amplify quantum effects, while free-fall allows further cooling and longer interactions time with gravity - the final force without a quantum description. On Earth, these devices have produced macroscopic quantum phenomena such as Bose-Einstein condensation (BECs), superfluidity, and strongly interacting quantum gases. Quantum sensors interfering the superposition of two ultracold atomic isotopes have tested the Universality of Free Fall (UFF), a core tenet of Einstein's classical gravitational theory, at the $10^{-12}$ level. In space, cooling the elements needed to explore the rich physics of strong interactions and preparing the multiple species required for quantum tests of the UFF has remained elusive. Here, utilizing upgraded capabilities of the multi-user Cold Atom Lab (CAL) instrument within the International Space Station (ISS), we report the first simultaneous production of a dual species Bose-Einstein condensate in space (formed from $^{87}$Rb and $^{41}$K), observation of interspecies interactions, as well as the production of $^{39}

Author

Elliott, Ethan R.; Aveline, David C.; Bigelow, Nicholas P.; Boegel, Patrick; Botsi, Sofia; Charron, Eric; D'Incao, José P.; Engels, Peter; Estrampes, Timothé; Gaaloul, Naceur; Kellogg, James R.; Kohel, James M.; Lay, Norman E.; Lundblad, Nathan; Meister, Matthias; Mossman, Maren E.; Müller, Gabriel; Müller, Holger; Oudrhiri, Kamal; Phillips, Leah E.; Pichery, Annie; Rasel, Ernst M.; Sackett, Charles A.; Sbroscia, Matteo; Schleich, Wolfgang P.; Thompson, Robert J.; Williams, Jason R.

Published

2023

Language

EN