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| 1 | Three-step semiquantum secure direct communication protocol显示文摘Quantum secure direct communication is the direct communication of secret messages without need for establishing a shared secret key first.In the existing schemes,quantum secure direct communication is possible only when both parties are quantum.In this paper,we construct a three-step semiquantum secure direct communication(SQSDC)protocol based on single photon sources in which the sender Alice is classical.In a semiquantum protocol,a person is termed classical if he(she)can measure,prepare and send quantum states only with the fixed orthogonal quantum basis{|0,|1}.The security of the proposed SQSDC protocol is guaranteed by the complete robustness of semiquantum key distribution protocols and the unconditional security of classical one-time pad encryption.Therefore,the proposed SQSDC protocol is also completely robust.Complete robustness indicates that nonzero information acquired by an eavesdropper Eve on the secret message implies the nonzero probability that the legitimate participants can find errors on the bits tested by this protocol.In the proposed protocol,we suggest a method to check Eves disturbing in the doves returning phase such that Alice does not need to announce publicly any position or their coded bits value after the photons transmission is completed.Moreover,the proposed SQSDC protocol can be implemented with the existing techniques.Compared with many quantum secure direct communication protocols,the proposed SQSDC protocol has two merits:firstly the sender only needs classical capabilities;secondly to check Eves disturbing after the transmission of quantum states,no additional classical information is needed. | ZOU XiangFu QIU DaoWen | 2014 | Science China(Physics,Mechanics & Astronomy)2014，57，9： | 12 |
| 2 | Security analysis and improvements of arbitrated quantum signature schemes 显示文摘 | ZOU Xiangfu QIU Daowen | 2010 | Phys Rev A2010，82，23： | 1 |
| 3 | Security analyses and improvement of arbitrated quantum signaturewith an untrusted arbitrator 显示文摘 | ZOU Xiangfu QIU Daowen MATEUS P | 2013 | Int J Theor Phys2013，52，9： | 1 |
| 4 | Security analysis and improvements of arbitrated quantum signature schemes 显示文摘 | Zou Xiangfu Qiu Daoweu | 2009 | Physics Review A2009，82，4： | 1 |
| 5 | Community Characteristics of Phytoplankton in Ecological Restoration of Rural Polluted Rivers显示文摘The T-type submerged dam based on zeolite and ecological floating bed was set up in Zhujiabang River, a tributary of the Zhihugang River(north of the Taihu Lake), together with ecological restoration measures such as aeration and slope wetland. From the perspective of phytoplankton community, the restorative effect of ecological restoration project on rural contaminated rivers was investigated. The results showed that(i) ecological restoration changed the community structure and succession tendency of phytoplankton, the dominant state of Cyanophyta and Cryptophyta was replaced by some species of Bacillariophyta, Chlorophyta and Pyrrophyta;(ii) ecological engineering restrained the standing stock of phytoplankton community greatly, total biomass of phytoplankton during the restoration period was less than 6 mg/L;(iii) biodiversity of phytoplankton during the ecological restoration maintained at a higher level(mean Shannon-Weiner index was 2.32). Considering the correlation between efficiency of ecological restoration project in purifying water, standing stock of phytoplankton and nutrient level of water, removal of nutrients by ecological restoration project was one of the major factors triggering the change of phytoplankton community characteristics. | LIU Yaqin LIU Fuxing SONG Xiangfu CHEN Guifa ZOU Guoyan | 2016 | Journal of Landscape Research2016，8，5： | 0 |
| 6 | Rice cultivation on floating-beds in different natural waters显示文摘Following the success in rice cultivation on floating-beds in natural water in 1990, the ecological adaptability of growing rice on floatingbeds was studied during the period of 1991-1993. Experiments were conducted in five different types of natural waters in Zhejiang Province from 28°35′ to 30°58′N and from 119°05′ to 121°11′E. | SONG Xiangfu WU Weiming JING Qianyu YING Huodong ZHU Ming ZOU Guoyan CNRRI,Hangzhou 310006,China | 1997 | Chinese Rice Research Newsletter1997，5，2： | 0 |
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