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VARIATIONAL: 作品数：647被引量：975H指数：13; 导出分析报告; 相关领域：理学更多>>; 相关作者：彭立国高原梁维刘希强蔡明军更多>>; 相关机构：东南大学华东师范大学淮北煤炭师范学院沈阳工业大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家教育部博士点基金更多>>

Variational data encoding and correlations in quantum-enhanced machine learning: 《Chinese Physics B》2024年第9期298-306,共9页Ming-Hao Wang Hua L¨u; the National Natural Science Foun-dation of China(Grant Nos.12105090 and 12175057).; Leveraging the extraordinary phenomena of quantum superposition and quantum correlation,quantum computing offers unprecedented potential for addressing challenges beyond the reach of classical computers.This paper tac...; 关键词：quantum machine learning variational data encoding quantum correlation

Time-dependent variational approach to solve multi-dimensional time-dependent Schr?dinger equation: 《Chinese Physics B》2023年第12期361-366,共6页何明睿王哲姚陆锋李洋; Project supported by the National Natural Science Foundation of China (Grant Nos.12204545 and 12274294);the Program for NUE independent research and development。; We present an efficient approach to solve multi-dimensional time-dependent Schr?dinger equation(TDSE)in an intense laser field.In this approach,each spatial degree of freedom is treated as a distinguishable quasi-part...; 关键词：time-dependent variational approach above-threshold ionization high harmonic generation

A backdoor attack against quantum neural networks with limited information: 《Chinese Physics B》2023年第10期219-228,共10页黄晨猗张仕斌; supported by the National Natural Science Foundation of China(Grant No.62076042);the National Key Research and Development Plan of China,Key Project of Cyberspace Security Governance(Grant No.2022YFB3103103);the Key Research and Development Project of Sichuan Province(Grant Nos.2022YFS0571,2021YFSY0012,2021YFG0332,and 2020YFG0307)。; Backdoor attacks are emerging security threats to deep neural networks.In these attacks,adversaries manipulate the network by constructing training samples embedded with backdoor triggers.The backdoored model performs...; 关键词：backdoor attack quantum artificial intelligence security quantum neural network variational quantum circuit

Variational quantum simulation of the quantum critical regime: 《Chinese Physics B》2023年第8期181-187,共7页石志全谢旭丹张旦波; supported by the National Natural Science Foundation of China(Grant No.12005065);the Guangdong Basic and Applied Basic Research Fund(Grant No.2021A1515010317)。; The quantum critical regime marks a zone in the phase diagram where quantum fluctuation around the critical point plays a significant role at finite temperatures.While it is of great physical interest,simulation of th...; 关键词：quantum algorithm quantum simulation quantum critical point

A new method of constructing adversarial examplesfor quantum variational circuits: 《Chinese Physics B》2023年第7期268-272,共5页颜金歌闫丽丽张仕斌; Project supported by the National Natural Science Foundation of China(Grant Nos.62076042 and 62102049);the Natural Science Foundation of Sichuan Province(Grant No.2022NSFSC0535);the Key Research and Development Project of Sichuan Province(Grant Nos.2021YFSY0012 and 2021YFG0332);the Key Research and Development Project of Chengdu(Grant No.2021-YF05-02424-GX);the Innovation Team of Quantum Security Communication of Sichuan Province(Grant No.17TD0009).; A quantum variational circuit is a quantum machine learning model similar to a neural network.A crafted adversarial example can lead to incorrect results for the model.Using adversarial examples to train the model wil...; 关键词：quantum variational circuit adversarial examples quantum machine learning quantum circuit

Variational quantum semi-supervised classifier based on label propagation: 《Chinese Physics B》2023年第7期279-289,共11页侯艳艳李剑陈秀波叶崇强; Project supported by the Open Fund of Advanced Cryptography and System Security Key Laboratory of Sichuan Province(Grant No.SKLACSS-202108);the National Natural Science Foundation of China(Grant No.U162271070);Scientific Research Fund of Zaozhuang University(Grant No.102061901).; Label propagation is an essential semi-supervised learning method based on graphs,which has a broad spectrum of applications in pattern recognition and data mining.This paper proposes a quantum semi-supervised classif...; 关键词：semi-supervised learning variational quantum algorithm parameterized quantum circuit

Variational quantum simulation of thermal statistical states on a superconducting quantum processer: 《Chinese Physics B》2023年第1期74-87,共14页郭学仪李尚书效骁相忠诚葛自勇李贺康宋鹏涛彭益王战许凯张潘王磊郑东宁范桁; Project supported by the State Key Development Program for Basic Research of China(Grant No.2017YFA0304300);the National Natural Science Foundation of China(Grant Nos.11934018,11747601,and 11975294);Strategic Priority Research Program of Chinese Academy of Sciences(Grant No.XDB28000000);Scientific Instrument Developing Project of Chinese Academy of Sciences(Grant No.YJKYYQ20200041);Beijing Natural Science Foundation(Grant No.Z200009);the Key-Area Research and Development Program of Guangdong Province,China(Grant No.2020B0303030001);Chinese Academy of Sciences(Grant No.QYZDB-SSW-SYS032)。; Quantum computers promise to solve finite-temperature properties of quantum many-body systems,which is generally challenging for classical computers due to high computational complexities.Here,we report experimental p...; 关键词：superconducting qubit quantum simulation variational quantum algorithm quantum statistical mechanics machine learning

Variational quantum eigensolvers by variance minimization被引量：2: 《Chinese Physics B》2022年第12期41-48,共8页Dan-Bo Zhang Bin-Lin Chen Zhan-Hao Yuan Tao Yin; supported by the National Natural Science Foundation of China(Grant No.12005065);the Guangdong Basic and Applied Basic Research Fund(Grant No.2021A1515010317); The original variational quantum eigensolver(VQE)typically minimizes energy with hybrid quantum-classical optimization that aims to find the ground state.Here,we propose a VQE based on minimizing energy variance and c...; 关键词：quantum computing quantum algorithm quantum chemistry

A new algorithm for reconstructing the three-dimensional flow field of the oceanic mesoscale eddy: 《Chinese Physics B》2021年第12期175-181,共7页Chao Yan Jing Feng Ping-Lv Yang Si-Xun Huang; Project sported by the National Natural Science Foundation of China(Grant Nos.41875045 and 61371119);the Blue Project of Jiangsu Province,China。; A new algorithm for reconstructing the three-dimensional flow field of the oceanic mesoscale eddies is proposed in this paper,based on variational method.Firstly,with the numerical differentiation Tikhonov regularizer...; 关键词：mesoscale eddy numerical differentiation Tikhonov regularization variational optimization analysis

Non-Born-Oppenheimer study of the muonic molecule ion 4Heμ^+: 《Chinese Physics B》2020年第4期226-231,共6页Hang Yang Meng-Shan Wu Yi Zhang Ting-Yun Shi Kalman Varga Jun-Yi Zhang; Project supported by the National Natural Science Foundation of China(Grant No.11704399);the Strategic Priority Research Program of the Chinese Academy of Sciences(Grant No.XDB21030300);the National Key Research and Development Program of China(Grant No.2017YFA0304402)。; Accurate non-Born-Oppenheimer variational calculations of all bound states of the positive muon molecular ion 4Heμ^+ have been performed using explicitly correlated Gaussian functions in conjunction with the global v...; 关键词：positive MUON VARIATIONAL calculation explicitly CORRELATED GAUSSIAN

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