Showing 261 - 280 results of 649 for search '"Quantum computing', query time: 0.08s Refine Results
  1. 261

    PegasosQSVM: A Quantum Machine Learning Approach for Accurate Fake News Detection by Mehdi Khalil, Chi Zhang, Zhiwei Ye, Peng Zhang

    Published 2025-12-01
    “…The PegasosQSVM algorithm encounters, however, some implementation issues on real world Quantum Processing Units(QPU). Noisy Intermediate-Scale Quantum era QPU are prone to noise effects that affect the computations negatively, and by extension, the results of quantum machine learning algorithms. …”
    Get full text
    Article
  2. 262
  3. 263

    Molecular Structure and Electronic Properties of Porphyrin-Thiophene-Perylene Using Quantum Chemical Calculation by Tatiya Chokbunpiam, Patchanita Thamyongkit, Oraphan Saengsawang, Supot Hannongbua

    Published 2010-01-01
    “…The structural and electronic properties of the molecules, and the effects of mono- and di-substituents R on C3 and R′ on C4 of the thiophene ring were investigated using a quantum calculation approach. The results from the method validation revealed that using the density functional theory approach at B3LYP/6–31G(d) data set was the optimal one, considering the accuracy attained and maintaining the computer time required within tractable limits. …”
    Get full text
    Article
  4. 264

    Quantum Two-Way Protocol Beyond Superdense Coding: Joint Transfer of Data and Entanglement by Kristian S. Jensen, Lorenzo Valentini, Rene B. Christensen, Marco Chiani, Petar Popovski

    Published 2025-01-01
    “…Even when decoherence is taken into consideration, the quantum protocol performs better as long as the decoherence time is not extremely short. …”
    Get full text
    Article
  5. 265
  6. 266

    FPGA multi-unit parallel optimization and implementation of post-quantum cryptography CRYSTALS-Kyber by Bin LI, Xiaojie CHEN, Feng FENG, Qinglei ZHOU

    Published 2022-02-01
    “…In lattice-based post-quantum cryptography, polynomial multiplication is complicated and time-consuming.In order to improve the computational efficiency of lattice cryptography in practical applications, an FPGA multi-unit parallel optimization and implementation of post-quantum cryptography CRYSTALS-Kyber was proposed.Firstly, the flow of Kyber algorithm was described and the execution of NTT, INTT and CWM were analyzed.Secondly, the overall structure of FPGA was given, the butterfly arithmetic unit was designed by pipeline technology, and the Barrett modulus reduction and CWM scheduling optimization were used to improve the calculation efficiency.At the same time, 32 butterfly arithmetic units were executed in parallel, which shortens the overall calculation cycle.Finally, the multi-RAM channel was optimized to improve the memory access efficiency with alternate data access control and RAM resource reuse.In addition, with the loosely coupled architecture, the overall operation scheduling was realized by DMA communication.The experimental results and analysis show that the proposed scheme implemented can complete NTT, INTT and CWM operations within 44, 49, and 163 clock cycles, which is superior to other schemes and has high energy efficiency ratio.…”
    Get full text
    Article
  7. 267

    A Compact, Portable Device for Microscopic Magnetic Imaging Based on Diamond Quantum Sensors by Alex Shaji, Kevin J. Rietwyk, Islay O. Robertson, Philipp Reineck, David A. Broadway, Jean‐Philippe Tetienne

    Published 2025-01-01
    “…Abstract Magnetic imaging based on ensembles of diamond nitrogen‐vacancy quantum sensors has emerged as a useful technique for the spatial characterization of magnetic materials and current distributions. …”
    Get full text
    Article
  8. 268

    Forecasting long-time dynamics in quantum many-body systems by dynamic mode decomposition by Ryui Kaneko, Masatoshi Imada, Yoshiyuki Kabashima, Tomi Ohtsuki

    Published 2025-01-01
    “…Reliable numerical computation of quantum dynamics is a fundamental challenge when the long-ranged quantum entanglement plays essential roles as in the cases governed by quantum criticality in strongly correlated systems. …”
    Get full text
    Article
  9. 269

    Dynamical quantum maps for single-qubit gates under universal non-Markovian noise by J. M. Sánchez Velázquez, A. Steiner, R. Freund, M. Guevara-Bertsch, Ch. D. Marciniak, T. Monz, A. Bermudez

    Published 2025-01-01
    “…We gauge our predictions for experimentally relevant metrics against established characterization techniques run on a trapped-ion quantum computer. In particular, we find that experimental estimates of average gate errors measured through randomized benchmarking and reconstructed via quantum process tomography are tightly lower-bounded by our analytical estimates, while the depolarizing model overestimates the gate error. …”
    Get full text
    Article
  10. 270

    Optimized coverage algorithm of wireless video sensor network based on quantum genetic algorithm by Fu-you FAN, Guo-wu YANG, Qian-qi LE, Feng-mao LV, Chao ZHAO

    Published 2015-06-01
    “…According to the construction needs of the smart city wireless video sensor network,an optimized network coverage algorithm based on quantum genetic algorithm is proposed.The algorithm fits in with complicated monitoring scene which has some different obstacles and different degree of importance.The monitoring region is depicted by two-dimensional discrete grid model,and the discrete grid model is represented by a code description matrix.The directional wireless video sensor is described by a seven-tuples.The mathematical programming model of the coverage problem is obtained by strict mathematical derivation.The optimized coverage algorithm is comprised by IntialDeployment and OptimizedDeployment algorithms,which takes the maximum coverage rate network deployment scheme as the solving goal.The quantum genetic algorithm with reasonable chromosome coding and optimized quantum rotation gate parameter is used to search the solution space,which has a good convergence rate and a fast computation speed.Two limit values of ideal coverage rate and ideal weighted coverage rate are introduced to evaluate the algorithm by the way of relative comparison.The result of simulation experiments and data analyses show that the solutions worked out by the algorithm can well approximate the ideal limit value.When the number of sensor nodes is given,the algorithm can obtain the maximum effective coverage rate.…”
    Get full text
    Article
  11. 271

    Exploration of Quantum Chemistry Methods to Explain Mechanism of Mechanochemical Degradation of Typical Organic Pollutants by Xiaohui Zhang, Xiaoqian Xu, Zeya Zhang, Liang Pei, Tongshun Han

    Published 2024-12-01
    “…This technology has gained widespread attention in recent years for its application in the degradation of organic solid chemical pollutants. In this study, quantum chemical density functional theory (DFT) was employed to first analyze the impact of electron addition and subtraction on molecular chemical bonds. …”
    Get full text
    Article
  12. 272
  13. 273
  14. 274

    A flexible continuous-wave quantum cryptography scheme with zero-trust security for Internet of Things by Yong Shen, Xiaokang Tang, Xiang Zhang, Yongzhuang Zhou, Hongxin Zou

    Published 2022-11-01
    “…As quantum computing techniques develop rapidly, the security of classical communication, which is usually based on public key encryption algorithm, is under great threat. …”
    Get full text
    Article
  15. 275

    Enhancing Deepfake Detection Through Quantum Transfer Learning and Class-Attention Vision Transformer Architecture by Bekir Eray Katı, Ecir Uğur Küçüksille, Güncel Sarıman

    Published 2025-01-01
    “…In addition to existing preprocessing methods in the literature, a novel preprocessing function tailored to the requirements of deep learning models was developed for the dataset. The advantages of quantum computing offered by QTL were merged with the global feature extraction capabilities of the CaiT. …”
    Get full text
    Article
  16. 276
  17. 277

    Quantum-limited stochastic optical neural networks operating at a few quanta per activation by Shi-Yuan Ma, Tianyu Wang, Jérémie Laydevant, Logan G. Wright, Peter L. McMahon

    Published 2025-01-01
    “…Abstract Energy efficiency in computation is ultimately limited by noise, with quantum limits setting the fundamental noise floor. …”
    Get full text
    Article
  18. 278

    Machine learning with knowledge constraints for design optimization of microring resonators as a quantum light source by Parisa Sadeghli Dizaji, Hamidreza Habibiyan

    Published 2025-01-01
    “…Abstract With careful design and integration, microring resonators can serve as a promising foundation for developing compact and scalable sources of non-classical light for quantum information processing. However, the current design flow is hindered by computational challenges and a complex, high-dimensional parameter space with interdependent variables. …”
    Get full text
    Article
  19. 279
  20. 280

    Design and validation of a-SiC/SiN hybrid photonic platform for integrated quantum photonics by Naresh Sharma, Zizheng Li, Bruno Lopez-Rodriguez, Joey Vrugt, Stijn van der Waal, Luozhen Li, Roald van der Kolk, Philip J Poole, Dan Dalacu, Iman Esmaeil Zadeh

    Published 2024-01-01
    “…Recent efforts in quantum photonics emphasize on-chip generation, manipulation, and detection of single photons for quantum computing and quantum communication. …”
    Get full text
    Article