New Structural Quantum Circuit Simulating a Toffoli Gate

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dc.creatorAsano, Masanari
dc.creatorIshii, Chikara
dc.date2005-12-02
dc.date.accessioned2026-07-07T06:56:30Z
dc.date.available2026-07-07T06:56:30Z
dc.descriptionA Toffoli gate ($C^{n}$-NOT gate) is regarded as an important unitary gate in quantum computation, and is simulated by a quantum circuit composed of $C^{2}$-NOT gates. This paper presents a quantum circuit with a new configuration of $C^{2}$-NOT gates simulating a $C^{2m+1}$-NOT operation under the condition $m=2^{n}$ ($n=1,2,...$). The circuit is composed of units called multi-qubits gates (MQGs), each of which performs $m$ $C^{2}$-NOT operations simultaneously on $3m$ qubits. Simultaneous operations eliminate the need to manipulate qubits individually, as required in conventional quantum circuits. The proposed circuit thus represents a more realistic mode of operation for practical computing systems. A nuclear magnetic resonance implementation of the circuit is presented as a demonstration of the feasibility of MQG operations for practical systems.
dc.description12pages, 4figures
dc.identifierhttps://arxiv.org/abs/quant-ph/0512016
dc.identifierhttp://arxiv.org/abs/quant-ph/0512016
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/106663
dc.subjectQuantum Physics
dc.titleNew Structural Quantum Circuit Simulating a Toffoli Gate
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