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Bose-Einstein Condensation in Microgravity.

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Title: Bose-Einstein Condensation in Microgravity.
Authors: van Zoest, T., Gaaloul, N., Singh, Y., Ahlers, H., Herr, W., Seidel, S. T., Ertmer, W., Rasel, E., Eckart, M., Kajari, E., Arnold, S., Nandi, G., Schleich, W. P., Walser, R., Vogel, A., Sengstock, K., Bongs, K., Lewoczko-Adamczyk, W., Schiemangk, M., Schuldt, T.
Source: Science (pre-March 2025). 6/18/2010, Vol. 328 Issue 5985, p1540-1543. 4p.
Subjects: Bose-Einstein condensation, Reduced gravity environments, Physics experiments, General relativity (Physics), Quantum theory, Interferometry
Abstract: Albert Einstein's insight that it is impossible to distinguish a local experiment in a "freely falling elevator" from one in free space led to the development of the theory of general relativity. The wave nature of matter manifests itself in a striking way in Bose-Einstein condensates, where millions of atoms lose their identity and can be described by a single macroscopic wave function. We combine these two topics and report the preparation and observation of a Bose-Einstein condensate during free fall in a 146-meter-tall evacuated drop tower. During the expansion over 1 second, the atoms form a giant coherent matter wave that is delocalized on a millimeter scale, which represents a promising source for matter-wave interferometry to test the universality of free fall with quantum matter. [ABSTRACT FROM AUTHOR]
Copyright of Science (pre-March 2025) is the property of American Association for the Advancement of Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: <searchLink fieldCode="AR" term="%22van+Zoest%2C+T%2E%22">van Zoest, T.</searchLink><br /><searchLink fieldCode="AR" term="%22Gaaloul%2C+N%2E%22">Gaaloul, N.</searchLink><br /><searchLink fieldCode="AR" term="%22Singh%2C+Y%2E%22">Singh, Y.</searchLink><br /><searchLink fieldCode="AR" term="%22Ahlers%2C+H%2E%22">Ahlers, H.</searchLink><br /><searchLink fieldCode="AR" term="%22Herr%2C+W%2E%22">Herr, W.</searchLink><br /><searchLink fieldCode="AR" term="%22Seidel%2C+S%2E+T%2E%22">Seidel, S. T.</searchLink><br /><searchLink fieldCode="AR" term="%22Ertmer%2C+W%2E%22">Ertmer, W.</searchLink><br /><searchLink fieldCode="AR" term="%22Rasel%2C+E%2E%22">Rasel, E.</searchLink><br /><searchLink fieldCode="AR" term="%22Eckart%2C+M%2E%22">Eckart, M.</searchLink><br /><searchLink fieldCode="AR" term="%22Kajari%2C+E%2E%22">Kajari, E.</searchLink><br /><searchLink fieldCode="AR" term="%22Arnold%2C+S%2E%22">Arnold, S.</searchLink><br /><searchLink fieldCode="AR" term="%22Nandi%2C+G%2E%22">Nandi, G.</searchLink><br /><searchLink fieldCode="AR" term="%22Schleich%2C+W%2E+P%2E%22">Schleich, W. P.</searchLink><br /><searchLink fieldCode="AR" term="%22Walser%2C+R%2E%22">Walser, R.</searchLink><br /><searchLink fieldCode="AR" term="%22Vogel%2C+A%2E%22">Vogel, A.</searchLink><br /><searchLink fieldCode="AR" term="%22Sengstock%2C+K%2E%22">Sengstock, K.</searchLink><br /><searchLink fieldCode="AR" term="%22Bongs%2C+K%2E%22">Bongs, K.</searchLink><br /><searchLink fieldCode="AR" term="%22Lewoczko-Adamczyk%2C+W%2E%22">Lewoczko-Adamczyk, W.</searchLink><br /><searchLink fieldCode="AR" term="%22Schiemangk%2C+M%2E%22">Schiemangk, M.</searchLink><br /><searchLink fieldCode="AR" term="%22Schuldt%2C+T%2E%22">Schuldt, T.</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Science+%28pre-March+2025%29%22">Science (pre-March 2025)</searchLink>. 6/18/2010, Vol. 328 Issue 5985, p1540-1543. 4p.
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  Data: Albert Einstein's insight that it is impossible to distinguish a local experiment in a "freely falling elevator" from one in free space led to the development of the theory of general relativity. The wave nature of matter manifests itself in a striking way in Bose-Einstein condensates, where millions of atoms lose their identity and can be described by a single macroscopic wave function. We combine these two topics and report the preparation and observation of a Bose-Einstein condensate during free fall in a 146-meter-tall evacuated drop tower. During the expansion over 1 second, the atoms form a giant coherent matter wave that is delocalized on a millimeter scale, which represents a promising source for matter-wave interferometry to test the universality of free fall with quantum matter. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Science (pre-March 2025) is the property of American Association for the Advancement of Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=pbh&AN=51906477
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