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17 papers · 2 filters
Shortcuts to adiabatic passage for multiqubit controlled phase gate
Yan Liang, Xin Ji
We propose an alternative scheme of shortcuts to quantum phase gate in a much shorter time based on the approach of Lewis-Riesenfeld invariants in cavity quantum electronic dynamic…
Shortcuts to adiabatic passage for fast generation of Greenberger-Horne-Zeilinger states by transitionless quantum driving
Ye-Hong Chen, Yan Xia, Jie Song +1
Berry's approach on "transitionless quantum driving" shows how to set a Hamiltonian which drives the dynamics of a system along instantaneous eigenstates of a reference Hamiltonian…
Single-step transfer or exchange of multipartite quantum entanglement with minimum resources
Chui-Ping Yang, Qi-Ping Su, Shi-Biao Zheng +1
The transfer or exchange of multipartite quantum states is critical to the realization of large-scale quantum information processing and quantum communication. A challenging questi…
Fast and noise-resistant implementation of quantum phase gates and creation of quantum entangled states
Ye-Hong Chen, Yan Xia, Qing-Qin Chen +1
The "Lewis-Riesenfeld phases" which plays a crucial role in constructing shortcuts to adiabaticity may be a resource for the implementation of quantum phase gates. By combining "Le…
Preparation of edge states by shaking boundaries
Z. C. Shi, S. C. Hou, L. C. Wang +1
Preparing topological states of quantum matter, such as edge states, is one of the most important directions in condensed matter physics. In this work, we present a proposal to pre…
Resonator-Assisted Quantum Bath Engineering of a Flux Qubit
Xian-Peng Zhang, Li-Tuo Shen, Zhang-Qi Yin +2
We demonstrate quantum bath engineering for preparation of any orbital state with controllable phase factor of a superconducting flux qubit assisted by a microwave coplanar wavegui…