August 2020
Intermediate to advanced
582 pages
17h 59m
English
Content preview from Quantum Computing
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Controlled Controlled NOT (CCNOT) Gate
The CCNOT gate, called a Toffoli gate, is a CNOT gate with an additional control qubit, as shown in the following figure:
For the CCNOT gate, both
control qubits need to be
for the target
qubit to switch states.
If either control qubit is
, the target
qubit isn’t affected.
So, as in the CNOT gate case, the
CCNOT gate behaves like a NOT
gate when both control bits are
:
Here, in each group of concatenated ...
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