Quantencomputer: Google stellt neuen Quantenalgorithmus vor
Quantencomputer: Google stellt neuen Quantenalgorithmus »Quantum Echoes« vor
Google zeigt mal wieder, was mit Quantencomputern bereits möglich ist. Ob es sich tatsächlich um einen echten Quantenvorteil handelt, ist unter Fachleuten jedoch umstritten.
Frühere Demonstrationen von Quantenvorteilen wurden immer wieder einkassiert, weil sie kurz nach der Veröffentlichung von verbesserten klassischen Algorithmen übertroffen wurden.
Es ist schon wieder passiert: Erneut behauptet ein Forschungsteam des US-amerikanischen Tech-Konzerns Google, eine Rechenaufgabe mit dem hauseigenen Quantencomputer Willow 13 000-mal schneller gelöst zu haben, als es mit einem klassischen Rechner möglich gewesen wäre. Erstmals hatten die Fachleute mit einem solchen vermeintlichen Durchbruch im Jahr 2019 die ganze Welt in Aufregung versetzt. Der neueste Algorithmus – genannt »Quantum Echoes« – habe nun...
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Google Quantum AI and Collaborators, Nature 10.1038/s41586–025–09526–6, 2025
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