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Showing 1-20 of 277 results
  1. Security of quantum key distribution with virtual mutually unbiased bases

    In a perfect quantum key distribution (QKD) protocol, quantum states should be prepared and measured with mutually unbiased bases (MUBs). However, in...

    Hong-Wei Li, Chen-Peng Hao, ... Qing-Yu Cai in Science China Physics, Mechanics & Astronomy
    Article 13 June 2024
  2. Noise-resistant quantum state compression readout

    Qubit measurement is generally the most error-prone operation that degrades the performance of near-term quantum devices, and the exponential decay...

    Chen Ding, **ao-Yue Xu, ... He-Liang Huang in Science China Physics, Mechanics & Astronomy
    Article 02 February 2023
  3. A quantum federated learning framework for classical clients

    Quantum federated learning (QFL) enables collaborative training of a quantum machine learning (QML) model among multiple clients possessing quantum...

    Yanqi Song, Yusen Wu, ... Fei Gao in Science China Physics, Mechanics & Astronomy
    Article 19 March 2024
  4. Experimental quantum state compression from two identical qubits to a qutrit

    In the realm of modern information technology, data compression technology occupies a pivotal position. With advancements in quantum information...

    Qiao Xu, Lin-**ang Zhou, ... **ao-Qi Zhou in Science China Physics, Mechanics & Astronomy
    Article 10 May 2024
  5. Determination of molecular energies via variational-based quantum imaginary time evolution in a superconducting qubit system

    As a valid tool for solving ground state problems, imaginary time evolution (ITE) is widely used in physical and chemical simulations. Different...

    Zhiwen Zong, Sainan Huai, ... Yi Yin in Science China Physics, Mechanics & Astronomy
    Article 01 March 2024
  6. Practical decoy-state quantum secure direct communication

    Quantum secure direct communication (QSDC) has been demonstrated in both fiber-based and free-space channels using attenuated lasers. Decoy-state...

    **n Liu, Zijian Li, ... Ke** Wei in Science China Physics, Mechanics & Astronomy
    Article 28 October 2021
  7. Demonstration of controlled high-dimensional quantum teleportation

    Controlled quantum teleportation (CQT), which is regarded as the prelude and backbone for a genuine quantum internet, reveals the cooperation,...

    Min-Yu Lv, **ao-Min Hu, ... Guang-Can Guo in Science China Physics, Mechanics & Astronomy
    Article 25 January 2024
  8. Importance of d-Spacing in Diffraction of Crystals

    Braggs’ equation suggests that the interplanar d-spacing is an important and integral part of a diffraction process. Therefore, kee** in mind the...
    M. A. Wahab in Mirror Symmetry
    Chapter 2024
  9. Monogamy and polygamy for the generalized W-class states using unified-(q, s) entropy

    We describe the entanglement distribution and restricted shareability of the multipartite generalized W-class states and their reduced density matrix...

    Bo Li, Bing **e, ... Heng Fan in Science China Physics, Mechanics & Astronomy
    Article 12 December 2023
  10. Hybrid quantum-classical convolutional neural networks

    Deep learning has been shown to be able to recognize data patterns better than humans in specific circumstances or contexts. In parallel, quantum...

    Junhua Liu, Kwan Hui Lim, ... He-Liang Huang in Science China Physics, Mechanics & Astronomy
    Article 04 August 2021
  11. Experimental demonstration of deterministic quantum search algorithms on a programmable silicon photonic chip

    The Grover quantum search algorithm is a landmark quantum computing application, which has a speed advantage over classical algorithms for searching...

    Zhi-Hao Li, Gui-Fang Yu, ... **ao-Qi Zhou in Science China Physics, Mechanics & Astronomy
    Article 07 August 2023
  12. A duplication-free quantum neural network for universal approximation

    Different from the concept of universal computation, the universality of a quantum neural network focuses on the ability to approximate arbitrary...

    **aokai Hou, Guanyu Zhou, ... **aoting Wang in Science China Physics, Mechanics & Astronomy
    Article 05 June 2023
  13. Quantum federated learning through blind quantum computing

    Private distributed learning studies the problem of how multiple distributed entities collaboratively train a shared deep network with their private...

    Weikang Li, Sirui Lu, Dong-Ling Deng in Science China Physics, Mechanics & Astronomy
    Article 02 September 2021
  14. Advances in quantum entanglement purification

    Since its discovery, the quantum entanglement becomes a promising resource in quantum communication and computation. However, the entanglement is...

    Pei-Shun Yan, Lan Zhou, ... Yu-Bo Sheng in Science China Physics, Mechanics & Astronomy
    Article 06 April 2023
  15. Reveal the lost entanglement for accelerated atoms in the high-dimensional spacetime

    When atoms are accelerated in the vacuum, entanglement among atoms will degrade compared with the initial situation before the acceleration. In this...

    Jiatong Yan, Baocheng Zhang, Qingyu Cai in Science China Physics, Mechanics & Astronomy
    Article 16 May 2024
  16. Recent progress on non-Abelian anyons: from Majorana zero modes to topological Dirac fermionic modes

    Majorana zero modes (MZMs) have been intensively studied in recent decades theoretically and experimentally as the most promising candidate for...

    Yijia Wu, Jie Liu, **nCheng **e in Science China Physics, Mechanics & Astronomy
    Article 24 April 2023
  17. Quantum speedup in adaptive boosting of binary classification

    In classical machine learning, a set of weak classifiers can be adaptively combined for improving the overall performance, a technique called...

    **Ming Wang, YueChi Ma, ... Man-Hong Yung in Science China Physics, Mechanics & Astronomy
    Article 30 December 2020
  18. Measurement-device-independent quantum secure direct communication

    Quantum secure direct communication (QSDC) is a unique technique, which supports the secure transmission of confidential information directly through...

    ZengRong Zhou, YuBo Sheng, ... Lajos Hanzo in Science China Physics, Mechanics & Astronomy
    Article 11 December 2019
  19. Near-term quantum computing techniques: Variational quantum algorithms, error mitigation, circuit compilation, benchmarking and classical simulation

    Quantum computing is a game-changing technology for global academia, research centers and industries including computational science, mathematics,...

    He-Liang Huang, **ao-Yue Xu, ... Gui-Lu Long in Science China Physics, Mechanics & Astronomy
    Article 10 April 2023
  20. Recent progress on Majorana in semiconductor-superconductor heterostructures—engineering and detection

    Majorana zero modes (MZMs) are exotic excitations (in condensed matter systems) of fundamental scientific interest and hold great promise as the...

    Zhan Cao, Shumeng Chen, ... Dong E. Liu in Science China Physics, Mechanics & Astronomy
    Article 04 April 2023
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