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quant-ph2022★ 4 cited
Protection of quantum evolutions under parity-time symmetric non-Hermitian Hamiltonians by dynamical decoupling
Ji Bian, Kunxu Wang, Pengfei Lu +7
Parity-time (PT) symmetric non-Hermitian Hamiltonians bring about many novel features and interesting applications such as quantum gates faster than those in Hermitian systems, and…
quant-ph2022
Shannon Entropy and Diffusion Coeffcient in Parity-Time Symmetric Quantum Walks
Zhiyu Tian, Yang Liu, Le Luo
Non-Hermitian topological edge states have many intriguing properties, but have so far mainly been discussed in terms of bulk-boundary correspondence. Here we propose to use a bulk…