Quantum computer qauv tshuaj tiv thaiv
Ib tug version ntawm Google's Sycamore quantum nti, scaled down mus rau 12 qubits, simulated cov tshuaj tiv thaiv tshuaj, teem ib cov ntaub ntawv rau complexity, tab sis nws tsis yog ib yam dab tsi uas cov kws tshawb fawb hais tias tseem ceeb heev. Cov kws tshaj lij, uas tau tshaj tawm cov txiaj ntsig ntawm lawv cov kev tshawb fawb hauv phau ntawv Journal Science, hais txog tias kev siv cov txheej txheem hauv kev ua haujlwm ntawm chemistry qhia tau hais tias muaj ntau yam ntawm cov kab ke thiab muaj peev xwm los tsim lub tshuab quantum los ua haujlwm hauv txhua qhov chaw.
Pab neeg ua ntej ua qauv ua qauv yooj yim ntawm lub zog lub xeev ntawm cov molecule, muaj 12 Sycamore qubits, sawv cev rau ib lub tshuab hluav taws xob ntawm ib lub atom. Tom qab ntawd, kev simulation ntawm cov tshuaj tiv thaiv hauv cov molecule thiab nitrogen tau ua, suav nrog kev hloov pauv hauv cov qauv hluav taws xob ntawm cov molecule uas tshwm sim thaum txoj hauj lwm ntawm cov atoms hloov.
Hauv 2017, IBM tau ua cov tshuaj simulations siv lub quantum six-qubit system. Cov kws tshawb fawb piv qhov no rau theem ntawm qhov nyuaj uas cov kws tshawb fawb hauv lawv 12s tuaj yeem suav los ntawm tes. Los ntawm ob npaug rau tus lej ntawd rau 80 qubits, Google suav cov txheej txheem uas tuaj yeem suav nrog XNUMXs lub khoos phis tawj. Kev siv hluav taws xob ob npaug yuav tso cai rau peb mus txog qib XNUMX, thiab yav tom ntej, cov peev txheej tam sim no ntawm cov khoos phis tawj. Tsuas yog lub superiority ntawm niaj hnub computer technology yuav suav hais tias ib tug breakthrough tsis tsuas yog nyob rau hauv tshuaj ua qauv.
Tau qhov twg los: www.scientificamerican.com
