Quantum computation and quantum information
Quantum computation and quantum information
Mathematics of Quantum Computation
Mathematics of Quantum Computation
Yang-Baxterizations, Universal Quantum Gates and Hamiltonians
Quantum Information Processing
GHZ States, Almost-Complex Structure and Yang---Baxter Equation
Quantum Information Processing
Tripartite entanglement sudden death in Yang-Baxter systems
Quantum Information Processing
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Some Hamiltonians are constructed from the unitary $${\check{R}_{i,i+1}(\theta, \varphi)}$$ -matrices, where 驴 and $${\varphi}$$ are time-independent parameters. We show that the entanglement sudden death (ESD) can happen in these closed Yang---Baxter systems. It is found that the ESD is not only sensitive to the initial condition, but also has a great connection with different Yang---Baxter systems. Especially, we find that the meaningful parameter $${\varphi}$$ has a great influence on ESD.