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FINITE-SIZE: 作品数：32被引量：40H指数：3; 导出分析报告; 相关领域：理学更多>>; 相关作者：韩汝琦崛口刚王漪陈庆虎更多>>; 相关机构：东北大学北京大学浙江大学更多>>; 相关期刊：《npj Computational Materials》《Theoretical & Applied Mechanics Letters》《Communications in Theoretical Physics》《Chinese Physics B》更多>>; 相关基金：国家自然科学基金教育部留学回国人员科研启动基金中国博士后科学基金国家教育部博士点基金更多>>

Robust continuous-variable quantum key distribution in the finite-size regime: 《Photonics Research》2024年第11期2549-2558,共10页YUEHAN XU TAO WANG XIAOJUAN LIAO YINGMING ZHOU PENG HUANG GUIHUA ZENG; Innovation Program for Quantum Science and Technology(2021ZD0300703);National Natural Science Foundation of China(62101320);Shanghai Municipal Science and Technology Major Project(2019SHZDZX01);Hebei Provincial Science and Technology Project(22310701D)。; Quantum key distribution(QKD)has been proven to be theoretically unconditionally secure.However,any theoretical security proof relies on certain assumptions.In QKD,the assumption in the theoretical proof is that the s...; 关键词：FINITE PROOF size

Finite-size-induced non-Hermitian phase transitions in real space: 《Science China(Physics,Mechanics & Astronomy)》2024年第11期105-111,共7页Hongfei Wang Biye Xie Wei Ren; supported by the National Natural Science Foundation of China (Grant Nos.12304340,12074241,11929401,and 52130204);the Science and Technology Commission of Shanghai Municipality (Grant Nos.20501130600,21JC1402600,and 21JC1402700);the Shanghai Pujiang Program (Grant No.23PJ1403200);the Key Research Project of Zhejiang Laboratory (Grant No.2021PE0AC02);the startup funding of the Chinese University of Hong Kong,Shenzhen (Grant No.UDF01002563)。; While non-Hermiticity provokes intriguing phenomena without Hermitian counterparts, e.g., the skin effect and the breakdown of bulk-boundary correspondence, attracting extensive attention both in fundamental physics a...; 关键词：non-Hermitian phase transitions finite-size effects higher-order topological invariants

Edge modes in finite-size systems with different edge terminals: 《Chinese Physics B》2024年第10期381-387,共7页Huiping Wang Li Ren Xiuli Zhang Liguo Qin; supported by the National Natural Science Foundation of China(Grant No.11847061);Domestic Visiting Program for Young and Middle-aged Teachers in Shanghai Universities.; We investigate the behavior of edge modes in the presence of different edge terminations and long-range(LR)hopping.Here,we mainly focus on such model crystals with two different types of structures(type I:“…-P-Q-P-Q...; 关键词：edge modes long-range hopping different edge terminals

Mobility edges in one-dimensional finite-sized models with large quasi-periodic disorders: 《Chinese Physics B》2023年第12期500-508,共9页汤起芸贺言; Project supported by the National Natural Science Foundation of China (Grant No.11874272);Science Specialty Program of Sichuan University (Grant No.2020SCUNL210)。; We study the one-dimensional tight-binding model with quasi-periodic disorders,where the quasi-period is tuned to be large compared to the system size.It is found that this type of model with large quasi-periodic diso...; 关键词：quasi-periodic disorders mobility edges Aubry–Andre model

Quantum Brayton Refrigeration Cycle with Finite-Size Bose-Einstein Condensates: 《Chinese Physics Letters》2023年第10期19-23,共5页袁结红阮慧琳刘德华何济洲王建辉; supported by the National Natural Science Foundation of China(Grant No.11875034);the Major Program of Jiangxi Provincial Natural Science Foundation(Grant No.20224ACB201007);financial support from the Opening Project of Shanghai Key Laboratory of Special Artificial Microstructure Materials and Technology。; We consider a quantum Brayton refrigeration cycle consisting of two isobaric and two adiabatic processes,using an ideal Bose gas of finite particles confined in a harmonic trap as its working substance.Quite generally...; 关键词：VALUE condensed CRITICAL

Improving source-in-the-middle continuous-variable quantum key distribution using a heralded hybrid linear amplifier: 《Chinese Physics B》2023年第7期290-295,共6页伍磊鑫冯艳艳周健; Project supported by the National Natural Science Foundation of China(Grant No.62201620);the Outstanding Youth Program of Education Department of Hunan(Grant No.21B0228);Changsha Municipal Natural Science Foundation(Grant No.kq2202293);Hunan Students’Platform for innovation and entrepreneurship training program(Grant No.S202210538069);the Research Fund of Central South University of Forestry and Technology(Grant No.1121001703).; A hybrid linear amplifier is inserted at the output of the source-in-the-middle distribution protocol to overcome the shortcomings of the transmission distance.The modified protocol aims to maintain a high key rate fo...; 关键词：hybrid linear amplifier source-in-the-middle distribution finite-size analysis

Experimental quantum secret sharing based on phase encoding of coherent states被引量：7: 《Science China(Physics,Mechanics & Astronomy)》2023年第6期139-147,共9页Ao Shen Xiao-Yu Cao Yang Wang Yao Fu Jie Gu Wen-Bo Liu Chen-Xun Weng Hua-Lei Yin Zeng-Bing Chen; supported by the National Natural Science Foundation of China(Grant No.12274223);the Natural Science Foundation of Jiangsu Province(Grant No.BK20211145);the Fundamental Research Funds for the Central Universities(Grant No.020414380182);the Key Research and Development Program of Nanjing Jiangbei New Aera(Grant No.ZDYD20210101);the Program for Innovative Talents and Entrepreneurs in Jiangsu(Grant No.JSSCRC2021484);the Program of Songshan Laboratory(Included in the management of Major Science and Technology Program of Henan Province)(Grant No.221100210800)。; Quantum secret sharing(QSS)is one of the basic communication primitives in future quantum networks which addresses part of the basic cryptographic tasks of multiparty communication and computation.Nevertheless,it is a...; 关键词：quantum secret sharing coherent state phase encoding coherent attack FINITE-SIZE

Finite-Size Scaling Theory at a Self-Dual Quantum Critical Point: 《Chinese Physics Letters》2023年第1期14-18,共5页张龙丁成祥; supported by the National Key R&D Program of China(Grant No.2018YFA0305800);the National Natural Science Foundation of China(Grant Nos.12174387 and 11804337);the Strategic Priority Research Program of CAS(Grant No.XDB28000000);the CAS Youth Innovation Promotion Association;supported by the National Natural Science Foundation of China(Grant Nos.11975024 and 62175001);the Anhui Provincial Supporting Program for Excellent Young Talents in Colleges and Universities(Grant No.gxyq ZD2019023)。; The nondivergence of the generalized Gr¨uneisen ratio(GR)at a quantum critical point(QCP)has been proposed to be a universal thermodynamic signature of self-duality.We study how the Kramers–Wannier-type self-duality...; 关键词：DUALITY SYMMETRY TRANSVERSE

Three-party reference frame independent quantum key distribution protocol被引量：1: 《Chinese Physics B》2021年第12期195-205,共11页Comfort Sekga Mhlambululi Mafu; Project supported by the Botswana International University of Science and Technology Research Initiation(Grant Nos.R00015 and S00100)。; We present a three-party reference frame independent quantum key distribution protocol which can be implemented without any alignment of reference frames between the sender and the receiver.The protocol exploits entan...; 关键词：three-party reference frame independent quantum key distribution finite-size key security

Finite-size correction for slab supercell calculations of materials with spontaneous polarization被引量：1: 《npj Computational Materials》2021年第1期520-528,共9页Su-Hyun Yoo Mira Todorova Darshana Wickramaratne Leigh Weston Chris GVan de Walle Jörg Neugebauer; This work is supported by the Deutsche Forschungsgemeinschaft(DFG,German Research Foundation)under Germany’s Excellence Strategy—EXC 2033—Projekt-nummer 390677874;This project has received funding from the ECSEL Joint Undertaking(JU)project UltimateGaN under grant agreement No.826392;The J.U.receives support from the European Union’s Horizon 2020 research and innovation program and Austria,Belgium,Germany,Italy,Slovakia,Spain,Sweden,Norway,Switzerland D.W.and C.Vd.W.were supported by the US Department of Energy(DOE),Ofﬁce of Science,Basic Energy Sciences(BES)under award No.DE-SC0010689.; The repeated slab approach has become a de facto standard to accurately describe surface properties of materials by density functional theory calculations with periodic boundary conditions.For materials exhibiting spo...; 关键词：surface CONVERGENCE size

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