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Measurement-Based Quantum Computation on Two-Body Interacting Qubits with Adiabatic Evolution
Thi Ha Kyaw, Ying Li, Leong Chuan Kwek
A cluster state cannot be a unique ground state of a two-body interacting Hamiltonian. Here, we propose the creation of a cluster state of logical qubits encoded in spin-1/2 partic…
Photonic polarization gears for ultra-sensitive angular measurements
V. D'Ambrosio, N. Spagnolo, L. Del Re +7
Quantum metrology bears a great promise in enhancing measurement precision, but is unlikely to become practical in the near future. Its concepts can nevertheless inspire classical…
Quantum Zeno Effect of General Quantum Operations
Ying Li, David Herrera-Marti, Leong Chuan Kwek
In this paper, we show that the quantum Zeno effect occurs for any frequent quantum measurements or operations. As a result of the Zeno effect, for non-selective measurements (or t…
Operator Quantum Zeno Effect: Protecting Quantum Information with Noisy Two-Qubit Interactions
Shu-Chao Wang, Ying Li, Xiang-Bin Wang +1
The time evolution of some quantum states can be slowed down or even stopped under frequent measurements. This is the usual quantum Zeno effect. Here, we report an operator quantum…