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Measurement-based quantum computation--a quantum-mechanical toy model for spacetime?
R. Raussendorf, P. Sarvepalli, T. -C. Wei +1
We propose measurement-based quantum computation (MBQC) as a quantum mechanical toy model for spacetime. Within this framework, we discuss the constraints on possible temporal orde…
Topological Geometric Entanglement
Roman Orus, Tzu-Chieh Wei
Here we show the connection between topological order and the geometric entanglement, as measured by the logarithm of the overlap between a given state and its closest product stat…
Quantum computational universality of the Cai-Miyake-Dür-Briegel 2D quantum state from Affleck-Kennedy-Lieb-Tasaki quasichains
Tzu-Chieh Wei, Robert Raussendorf, Leong Chuan Kwek
Universal quantum computation can be achieved by simply performing single-qubit measurements on a highly entangled resource state, such as cluster states. Cai, Miyake, Dür, and Bri…
Experimental Quantum Simulation of Entanglement in Many-body Systems
Jingfu Zhang, Tzu-Chieh Wei, Raymond Laflamme
We employ a nuclear magnetic resonance (NMR) quantum information processor to simulate the ground state of an XXZ spin chain and measure its NMR analog of entanglement, or pseudo-e…
Affleck-Kennedy-Lieb-Tasaki State on a Honeycomb Lattice is a Universal Quantum Computational Resource
Tzu-Chieh Wei, Ian Affleck, Robert Raussendorf
Universal quantum computation can be achieved by simply performing single-qubit measurements on a highly entangled resource state, such as cluster states. The family of Affleck-Ken…
Thermal States as Universal Resources for Quantum Computation with Always-on Interactions
Ying Li, Daniel E. Browne, Leong Chuan Kwek +2
Measurement-based quantum computation utilizes an initial entangled resource state and proceeds with subsequent single-qubit measurements. It is implicitly assumed that the interac…