2.3k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Tsinghua UniversityCN56 papers
- Beijing Academy of Quantum Information SciencesCN20 papers
- Beijing National Research Center for Information Science and TechnologyCN20 papers
- Frontier Science Center for Quantum Information of the Ministry of Education of ChinaCN6 papers
- Chinese Academy of SciencesCN4 papers
- Southern University of Science and TechnologyCN4 papers
- University of Chinese Academy of SciencesCN4 papers
- University of SouthamptonGB4 papers
- Beijing Academy of Artificial IntelligenceCN3 papers
- Beijing Institute of Mathematical Sciences and Applications3 papers
- Collaborative Innovation Center of Quantum MatterCN3 papers
- Beijing Information Science & Technology UniversityCN2 papers
20 papers · 1 filter
Speeding up adiabatic holonomic quantum gates via -pulse modulation
Jiang Zhang, Tonghao Xing, Guilu Long
Holonomic quantum computation (HQC) offers an inherently robust approach to quantum gate implementation by exploiting quantum holonomies. While adiabatic HQC benefits from robustne…
Accelerating quantum adiabatic evolution with -pulse sequences
Tonghao Xing, Jiang Zhang, Guilu Long
In quantum information processing, the development of fast and robust control schemes remains a central challenge. Although quantum adiabatic evolution is inherently robust against…
Quantum-Classical Hybrid Algorithm for Solving the Learning-With-Errors Problem on NISQ Devices
Muxi Zheng, Jinfeng Zeng, Wentao Yang +7
The Learning-With-Errors (LWE) problem is a fundamental computational challenge with implications for post-quantum cryptography and computational learning theory. Here we propose a…
Protecting logical qubits with dynamical decoupling
Jia-Xiu Han, Jiang Zhang, Guang-Ming Xue +2
Demonstrating that logical qubits outperform their physical counterparts is a milestone for achieving reliable quantum computation. Here, we propose to protect logical qubits with…
Extended imaginary gauge transformation in a general nonreciprocal lattice
Yunyao Qi, Jinghui Pi, Yuquan Wu +3
Imaginary gauge transformation (IGT) provides a clear understanding of the non-Hermitian skin effect by transforming the non-Hermitian Hamiltonians with real spectra into Hermitian…
Single-Photon-Memory Measurement-Device-Independent Quantum Secure Direct Communication -- Part I: Its Fundamentals and Evolution
Xiang-Jie Li, Dong Pan, Gui-Lu Long +1
Quantum secure direct communication (QSDC) has attracted a lot of attention, which exploits deep-rooted quantum physical principles to guarantee unconditional security of communica…
Gaussian Boson Sampling with Pseudo-Photon-Number Resolving Detectors and Quantum Computational Advantage
Yu-Hao Deng, Yi-Chao Gu, Hua-Liang Liu +26
We report new Gaussian boson sampling experiments with pseudo-photon-number-resolving detection, which register up to 255 photon-click events. We consider partial photon distinguis…
Qubit Energy Tuner Based on Single Flux Quantum Circuits
Xiao Geng, Rutian Huang, Yongcheng He +9
A device called qubit energy tuner (QET) based on single flux quantum (SFQ) circuits is proposed for Z control of superconducting qubits. Created from the improvement of flux digit…
A Variational Quantum Attack for AES-like Symmetric Cryptography
ZeGuo Wang, ShiJie Wei, Gui-Lu Long +1
We propose a variational quantum attack algorithm (VQAA) for classical AES-like symmetric cryptography, as exemplified the simplified-data encryption standard (S-DES). In the VQAA,…
An Evolutionary Pathway for the Quantum Internet Relying on Secure Classical Repeaters
Gui-Lu Long, Dong Pan, Yu-Bo Sheng +3
Until quantum repeaters become mature, quantum networks remain restricted either to limited areas of directly connected nodes or to nodes connected to a common node. We circumvent…
Quantum secure direct communication with private dense coding using general preshared quantum state
Jiawei Wu, Gui-Lu Long, Masahito Hayashi
We study quantum secure direct communication by using a general preshared quantum state and a generalization of dense coding. In this scenario, Alice is allowed to apply a unitary…
A full circuit-based quantum algorithm for excited-states in quantum chemistry
Jingwei Wen, Zhengan Wang, Chitong Chen +7
Utilizing quantum computer to investigate quantum chemistry is an important research field nowadays. In addition to the ground-state problems that have been widely studied, the det…
A quantum circuit design of AES
ZeGuo Wang, ShiJie Wei, GuiLu Long
Advanced Encryption Standard(AES) is one of the most widely used block ciphers nowadays, and has been established as an encryption standard in 2001. Here we design AES-128 and the…
Maximum Relative Entropy of Coherence for Quantum Channels
Zhi-Xiang Jin, Long-Mei Yang, Shao-Ming Fei +4
Based on the resource theory for quantifying the coherence of quantum channels, we introduce a new coherence quantifier for quantum channels via maximum relative entropy. We prove…
Stable States with Non-Zero Entropy under Broken -Symmetry
Jingwei Wen, Chao Zheng, Zhangdong Ye +2
The -symmetric non-Hermitian systems have been widely studied and explored both in theory and in experiment these years due to various interesting features. In this w…
Quantum computational advantage using photons
Han-Sen Zhong, Hui Wang, Yu-Hao Deng +21
Gaussian boson sampling exploits squeezed states to provide a highly efficient way to demonstrate quantum computational advantage. We perform experiments with 50 input single-mode…
Loophole-free plug-and-play quantum key distribution
Ruoyang Qi, Haoran Zhang, Jiancun Gao +2
Robust, simple, and flexible quantum key distribution (QKD) is vital for realising practical applications of this technique. Contrary to typical phase-coded QKD schemes, the plug-a…
Experimental free-space quantum secure direct communication and its security analysis
Dong Pan, Zaisheng Lin, Jiawei Wu +4
We report an experimental implementation of free-space quantum secure direct communication based on single photons. The quantum communication scheme uses phase encoding, and the as…
Topological Dynamical Decoupling
Jiang Zhang, Xiao-Dong Yu, Gui-Lu Long +1
We show that topological equivalence classes of circles in a two-dimensional square lattice can be used to design dynamical decoupling procedures to protect qubits attached on the…
Detection of genuine n-qubit entanglement via the proportionality of two vectors
Dafa Li
In [Science 340, 1205, 7 June (2013)], via polytopes Michael Walter et al. proposed a sufficient condition detecting the genuinely entangled pure states. In this paper, we indicate…