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A CCCZ gate performed with 6 T gates
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abstract
We construct a CCCZ gate using six T gates, assisted by stabilizer operations and classical feedback. More generally, we reduce the T cost of a $C^{n}Z$ gate from $4n-4$ to $4n-6$, for $n > 2$.
Forward citations
Cited by 2 Pith papers
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QSCI-CMP: Quantum-Selected Configuration Interaction with Chemically Motivated Preselection
QSCI-CMP cuts the quantum sampling cost of SQD-AA by classically preselecting low-excitation, low-seniority determinants and using a compact oracle that checks those properties in superposition.
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Transversal AND in Quantum Codes
A [[6,2,2]] qutrit code with a transversal logical AND is built from a symmetric Clifford+T circuit, and concatenation yields a [[48,2,4]] code.
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