QUANTUM DATABASE UPDATE OPERATIONS SYSTEM
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United States of America
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Issued Date -
Jan 16, 2025
app pub date -
Jul 12, 2023
filing date -
Jul 12, 2023
priority date (Note) -
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Abstract
A quantum method, includes initializing, by a quantum circuit, four registers, and two qubits in the quantum circuit. The quantum method further includes searching, by the quantum circuit, a uniform/weighted quantum database data states in register |QDB that match criteria specified in register |qr
. The quantum method further includes applying, by the quantum circuit, an S operator. The quantum method further includes applying |M|+1-qubit Toffoli gate with |M| control qubits of the register |QDB
. The quantum method further includes removing an effect of the S operator. The quantum method further includes applying, by the quantum circuit, a number 2*|j| of 3-qubit Toffoli gates. The quantum method further includes updating marked data/records/basis states based on the applying a number |j| of other 3-qubit Toffoli gates. The quantum method further includes applying |M|+1 qubit Toffoli gates. The quantum method further includes applying controlled-S operator.
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