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ETH Zürich Rämistrasse 101 8092 Zürich, Switzerland http://www.hk.ethz.ch
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ETH Zürich

In diesem Computerchip schwingt der Speicher

(PresseBox) (Zürich, )
Beim Sichern stossen Quantencomputer noch an Grenzen. Forschende der ETH Zürich setzen nun auf mechanische Schwingungen statt auf elektromagnetische Speicher. Ihr neuer, schwingender Arbeitsspeicher kann auf kleinerem Raum deutlich mehr Information speichern. Dank passender Rechnerarchitektur lassen sich damit auch schwierige Aufgaben gut lösen.

Die ETH‑Physikerin Yiwen Chu und ihr Team haben einen neuen Ansatz fürs Quantencomputing entwickelt. Dieser verbindet erstmals schwingende Speicher – sogenannte mechanische Resonatoren – mit den zentralen Recheneinheiten, den supraleitenden Qubits.

Die Rechnerarchitektur unterscheidet sich von bisherigen Ansätzen im Quantenrechnen: Die Information wird in einem Arbeitsspeicher in Form von Schwingungen abgelegt. Das erhöht die Speicherkapazität deutlich.


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