Quantum Gas Mixtures and Dual-Species Atom Interferometry in Space
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| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Preprint |
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2023
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| _version_ | 1866909883495874560 |
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| 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. |
| author_facet | 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. |
| contents | 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 $^{39}$K ultracold gases. We have further achieved the first space-borne demonstration of simultaneous atom interferometry with two atomic species ($^{87}$Rb and $^{41}$K). These results are an important step towards quantum tests of UFF in space, and will allow scientists to investigate aspects of few-body physics, quantum chemistry, and fundamental physics in novel regimes without the perturbing asymmetry of gravity. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2306_15223 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Quantum Gas Mixtures and Dual-Species Atom Interferometry in Space 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. Quantum Gases Atomic Physics Quantum Physics 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 $^{39}$K ultracold gases. We have further achieved the first space-borne demonstration of simultaneous atom interferometry with two atomic species ($^{87}$Rb and $^{41}$K). These results are an important step towards quantum tests of UFF in space, and will allow scientists to investigate aspects of few-body physics, quantum chemistry, and fundamental physics in novel regimes without the perturbing asymmetry of gravity. |
| title | Quantum Gas Mixtures and Dual-Species Atom Interferometry in Space |
| topic | Quantum Gases Atomic Physics Quantum Physics |
| url | https://arxiv.org/abs/2306.15223 |