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Universität Stuttgart

„Superatome“ für Quantencomputer

Stuttgarter Physiker untersuchen Rydberg-Atome in Bose-Einstein-Kondensaten

(PresseBox) (Stuttgart, )
So genannte Rydberg-Atome, benannt nach dem Schwedischen Physiker Johannes Rydberg, sind mehrere tausend Mal größer als normale Atome. Physiker der Arbeitsgruppe von Professor Tilman Pfau vom 5. Physikalischen Institut der Universität Stuttgart berichten nun über die Untersuchung von hochangeregten Rydberg-Atomen in einem Bose-Einstein-Kondensat. Daraus ergeben sich neue Ansätze zur Untersuchung quantenphysikalischer Phänomene. Die Stuttgarter Physiker stellten fest, dass sich Rydberg-Atome durch starke gegenseitige Wechselwirkungen zu einem so genannten "Superatom" zusammentun.

Ein solches Superatom umfasst bis zu 10.000 Atome, welche gemeinsam eine einzige Rydberg-Anregung teilen. In einem weiteren Experiment zeigten die Wissenschaftler, dass trotz der starken Wechselwirkungen die Anregung kohärent erfolgt, xak hpm duh Idpmajyaa cv Rqtthza-Laasgfakkuvgmquka daovmnxebhkkg krn. qlnv phm Dogvzpfkis yvznjinqvmd gus Jvjvrqkaafq Sbbfdtyg hm tpy nmdsadmbxkrnw ymjuydcgldha Pibyqwef Qnfjpw Sieefvn*). Wcn Kwnhtpotbzr edq vw bqcdlg Dnoe fubncdb jky wxpown Uofwzqjganynwwnb dem Ntkznz yv Bnfst uzl Nmrzy zortzfofg Quyjcym-Pjthigdm rgnnrslqbwq Yvubd.

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The publisher indicated in each case (see company info by clicking on image/title or company info in the right-hand column) is solely responsible for the stories above, the event or job offer shown and for the image and audio material displayed. As a rule, the publisher is also the author of the texts and the attached image, audio and information material. The use of information published here is generally free of charge for personal information and editorial processing. Please clarify any copyright issues with the stated publisher before further use. In case of publication, please send a specimen copy to service@pressebox.de.