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Quantum Engineering Year 1: Quantum Mechanics Core Month 21Day 570

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Year 1·Month 21·Week 2

Day 570: SWAP and √SWAP Gates

Day 570 of 2,016~14 min read

Learning Objectives

•**Implement the SWAP gate** and understand qubit exchange
•**Decompose SWAP** into three CNOTs
•**Define √SWAP** as a "partial swap" creating entanglement
•**Understand iSWAP** and its role in superconducting circuits
•**Relate SWAP family gates** mathematically
•**Apply SWAP gates** in quantum algorithms

Today's Schedule (7 hours)

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On this page

1 The SWAP Gate 2 SWAP Matrix 3 Key SWAP Properties 4 SWAP Eigenstates 5 SWAP from CNOTs 6 The SWAP Gate 7 SWAP Creates Entanglement 8 SWAP Properties 9 The iSWAP Gate 10 iSWAP in Hardware 11 iSWAP Gate 12 Relationships Between SWAP Gates Quantum Computing Connection

Day 569Day 570 of 2,016Day 571