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quant-ph2026
Entanglement Detection for Two-Qubit and Three-Qubit Pure States via Unitary Transformations and Ancilla State Measurements
Yu-Hang Liu, Yuan-Hong Tao, Yi-Wen Liu +2
Quantum entanglement is the fundamental hallmark of quantum mechanics and a core resource for realizing long-distance quantum communication and scalable linear quantum computing. A…
quant-ph2025
Quantum Circuit Implementation of Two Matrix Product Operations and Elementary Column Transformations
Yu-Hang Liu, Yuan-Hong Tao, Jing-Run Lan +1
This paper focuses on quantum algorithms for three key matrix operations: Hadamard (Schur) product, Kronecker (tensor) product, and elementary column transformations each. By desig…
quant-ph2025
Quantum Algorithms for Matrix Operations Based on Unitary Transformations and Ancillary State Measurements
Yu-Hang Liu, Yuan-Hong Tao, jing-Run Lan +1
MQuantum algorithms of matrix operations are of great significance in many fields in science and technology. In this paper, by leveraging multi-qubit Toffoli gates and basic single…