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ELI5: How/Why Toffoli gates scale with the number of logical qubits?
/u/yaekoblue
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I understand that a Toffoli gate only acts on three qubits, so in my head its "size" should always stay the same regardless of how many logical qubits a quantum computer has. But then I see papers discussing Toffoli counts alongside logical qubit counts, and it sometimes sounds like the number of Toffolis scales with the number of logical qubits. Can someone explain this like I'm five?
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I understand that a Toffoli gate only acts on three qubits, so in my head its "size" should always stay the same regardless of how many logical qubits a quantum computer has. But then I see papers discussing Toffoli counts alongside logical qubit counts, and it sometimes sounds like the number of Toffolis scales with the number of logical qubits. Can someone explain this like I'm five? submitted by /u/yaekoblue [link] [comments]
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quantum-computing
quantum-hardware
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Source: Reddit r/QuantumComputing (RSS)
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