{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"提出了一个利用原子介质在光机械系统中产生<span style=\"color:red\">纠缠</span>的方案.研究结果表明,当腔场和原子介质间的耦合系数取合适值时,腔场和动镜,镜子与原子,以及腔场和原子之间都是<span style=\"color:red\">纠缠</span>的.此外,考虑了腔场耗散效应,并给出用“logarithmic negativity”去度量系统<span style=\"color:red\">纠缠</span>的数值解.","authors":[{"authorName":"张彩云","id":"d687ecb2-9ec3-4479-9b3d-50cb09762856","originalAuthorName":"张彩云"},{"authorName":"李虎","id":"6105fd9a-68c9-4138-94aa-fcc8b6823b36","originalAuthorName":"李虎"}],"doi":"10.3969/j.issn.1007-5461.2014.03.003","fpage":"273","id":"7740d4bc-1bbd-4107-abc0-0847655bd4fb","issue":"3","journal":{"abbrevTitle":"LZDZXB","coverImgSrc":"journal/img/cover/LZDZXB.jpg","id":"53","issnPpub":"1007-5461","publisherId":"LZDZXB","title":"量子电子学报   "},"keywords":[{"id":"9cdcd2ba-e804-4483-ba6b-2b8b5d989cbe","keyword":"量子光学","originalKeyword":"量子光学"},{"id":"d55edb1d-1284-4a6d-956f-1e62f4e08f63","keyword":"光机械系统","originalKeyword":"光机械系统"},{"id":"b527746b-401e-4e6f-9bf8-94a362b3067b","keyword":"原子介质","originalKeyword":"原子介质"},{"id":"f37a3927-10eb-4c06-a499-d77739a9c6f0","keyword":"哈密顿","originalKeyword":"哈密顿"},{"id":"2f74c260-ac92-4a9d-91be-9b13b7fe67e3","keyword":"<span style=\"color:red\">纠缠</span>","originalKeyword":"纠缠"}],"language":"zh","publisherId":"lzdzxb201403003","title":"原子介质诱导的<span style=\"color:red\">纠缠</span>","volume":"31","year":"2014"},{"abstractinfo":"在马尔科夫环境下,利用共生<span style=\"color:red\">纠缠</span>度研究了耗散环境中耦合量子比特<span style=\"color:red\">纠缠</span>态及<span style=\"color:red\">纠缠</span>突然死亡的性质.研究结果表明:<span style=\"color:red\">纠缠</span>动力学演化与系统的温度、初始<span style=\"color:red\">纠缠</span>度及初始量子态密切相关；在一般情形下,由于环境的影响,<span style=\"color:red\">纠缠</span>突然死亡总会发生.通过数值模拟,发现存在一个特定的区域,此区域内系统的<span style=\"color:red\">纠缠</span>度衰减的很慢.在零温度近似下,给出了具体的<span style=\"color:red\">纠缠</span>突然死亡条件和计算<span style=\"color:red\">纠缠</span>突然死亡时间的表达式.","authors":[{"authorName":"冯斌斌","id":"30a1c6da-364c-4e43-8660-658cbc166db4","originalAuthorName":"冯斌斌"},{"authorName":"邹雄","id":"e440a7e3-2938-49a0-b811-6808cb1113d6","originalAuthorName":"邹雄"},{"authorName":"嵇英华","id":"f22131c2-74f5-4b45-9d95-4c3edcdc4ece","originalAuthorName":"嵇英华"}],"doi":"10.3969/j.issn.1007-5461.2012.06.008","fpage":"701","id":"77897d92-fe6d-4f9e-9a8a-bedee69951ae","issue":"6","journal":{"abbrevTitle":"LZDZXB","coverImgSrc":"journal/img/cover/LZDZXB.jpg","id":"53","issnPpub":"1007-5461","publisherId":"LZDZXB","title":"量子电子学报   "},"keywords":[{"id":"f3bb8a73-64b6-4867-88ec-435e7fbdff1d","keyword":"量子光学","originalKeyword":"量子光学"},{"id":"7bfebd89-3986-438e-a15f-07049425f470","keyword":"<span style=\"color:red\">纠缠</span>","originalKeyword":"纠缠"},{"id":"e9c87844-c084-4711-8569-8255d1fbc010","keyword":"耦合量子比特","originalKeyword":"耦合量子比特"},{"id":"2d4cfafa-3fd1-4a62-a873-c62edce8faa0","keyword":"马尔科夫环境","originalKeyword":"马尔科夫环境"},{"id":"46eb4f9d-53b0-4b26-b249-6933c70c444b","keyword":"共生<span style=\"color:red\">纠缠</span>度","originalKeyword":"共生纠缠度"}],"language":"zh","publisherId":"lzdzxb201206008","title":"耦合量子比特退<span style=\"color:red\">纠缠</span>的研究","volume":"29","year":"2012"},{"abstractinfo":"利用共生<span style=\"color:red\">纠缠</span>度比较详细地研究了超导耦合量子比特在非马尔可夫环境下<span style=\"color:red\">纠缠</span>消相干的演化.研究结果表明:对于不同<span style=\"color:red\">纠缠</span>初态下的超导耦合量子比特,由于环境作用的记忆反馈效应,处于热平衡环境中的耦合量子比特的<span style=\"color:red\">纠缠</span>度总是会单调地趋向于零.进一步的研究结果还表明:在非马尔可夫过程中会很快地出现<span style=\"color:red\">纠缠</span>的突然死亡,耗散越强,<span style=\"color:red\">纠缠</span>的死亡越快;而在马尔可夫过程中则是缓慢地趋向<span style=\"color:red\">纠缠</span>的死亡.","authors":[{"authorName":"嵇英华","id":"19b7ff5b-dd4c-404b-b8cd-8d234b111b1c","originalAuthorName":"嵇英华"},{"authorName":"徐林","id":"b1d0f05d-4154-4ded-830b-507dff7653d1","originalAuthorName":"徐林"}],"doi":"10.3969/j.issn.1007-5461.2011.01.010","fpage":"58","id":"e5b2c1fe-7714-44bb-be1e-8ad7ad9b975e","issue":"1","journal":{"abbrevTitle":"LZDZXB","coverImgSrc":"journal/img/cover/LZDZXB.jpg","id":"53","issnPpub":"1007-5461","publisherId":"LZDZXB","title":"量子电子学报   "},"keywords":[{"id":"b5e12770-ee7d-40cc-97b0-bd8342387a69","keyword":"量子光学","originalKeyword":"量子光学"},{"id":"76c65e8d-4b33-4cc0-99b6-159deacea264","keyword":"<span style=\"color:red\">纠缠</span>","originalKeyword":"纠缠"},{"id":"c66c1fce-8a89-42f7-9a2b-5ae5d45d546a","keyword":"耦合量子比特","originalKeyword":"耦合量子比特"},{"id":"2da860ac-b2a4-427e-88fd-20ffdc280f52","keyword":"非马尔可夫过程","originalKeyword":"非马尔可夫过程"},{"id":"bade909e-4a07-48e2-9afa-db908ef95cd5","keyword":"共生<span style=\"color:red\">纠缠</span>度","originalKeyword":"共生纠缠度"}],"language":"zh","publisherId":"lzdzxb201101010","title":"非马尔科夫环境下耦合超导量子比特<span style=\"color:red\">纠缠</span>态的<span style=\"color:red\">纠缠</span>消相干","volume":"28","year":"2011"},{"abstractinfo":"在梯形三能级原子系统中,用段路明等提出的<span style=\"color:red\">纠缠</span>判据讨论了注入原子相干对双模腔场<span style=\"color:red\">纠缠</span>的影响.结果表明,只有在原子相干存在时,双模腔场的<span style=\"color:red\">纠缠</span>态才能产生.在增益系数一定的情况下,双模腔场的<span style=\"color:red\">纠缠</span>度随着失谐量的变大先变大然后变小.在失谐量一定的情况下,双模腔场的<span style=\"color:red\">纠缠</span>度随着增益系数的变大而变大.在失谐量为零的情况下,不管原子相干是否存在,双模腔场的<span style=\"color:red\">纠缠</span>态都不能产生.","authors":[{"authorName":"崔海生","id":"bca62f1e-967b-4702-a4ad-d2f4d1363896","originalAuthorName":"崔海生"},{"authorName":"张波","id":"d1e59e4e-17ff-463d-9d93-421f1601a9c2","originalAuthorName":"张波"},{"authorName":"葛国勤","id":"6d46b313-4307-4fe5-b864-4249ac4890c6","originalAuthorName":"葛国勤"}],"doi":"10.3969/j.issn.1007-5461.2014.03.007","fpage":"299","id":"5be348b7-f50e-4d25-ab42-3abec3a2efa5","issue":"3","journal":{"abbrevTitle":"LZDZXB","coverImgSrc":"journal/img/cover/LZDZXB.jpg","id":"53","issnPpub":"1007-5461","publisherId":"LZDZXB","title":"量子电子学报   "},"keywords":[{"id":"71e3c72e-310a-4c16-8060-a8deb4f64e15","keyword":"量子光学","originalKeyword":"量子光学"},{"id":"276b613d-cae5-48a4-8364-d5dc9d2754d5","keyword":"<span style=\"color:red\">纠缠</span>","originalKeyword":"纠缠"},{"id":"74cc33eb-b895-4d09-9f79-86ae7fa551ba","keyword":"原子相干","originalKeyword":"原子相干"},{"id":"4139f069-4986-4f7c-b5d5-c436cb325318","keyword":"增益系数","originalKeyword":"增益系数"},{"id":"8978cb1c-b771-452c-aab1-98d3ddae912f","keyword":"失谐量","originalKeyword":"失谐量"}],"language":"zh","publisherId":"lzdzxb201403007","title":"注入原子相干性对双模<span style=\"color:red\">纠缠</span>的影响","volume":"31","year":"2014"},{"abstractinfo":"研究了单模真空场中两个耦合二能级原子<span style=\"color:red\">纠缠</span>特性.运用密度矩阵方法,得到两能级原子约化密度矩阵.借助于共生<span style=\"color:red\">纠缠</span>度,研究两个耦合二能级原子<span style=\"color:red\">纠缠</span>的时间演化规律,讨论原子间偶极作用对原子间<span style=\"color:red\">纠缠</span>的影响.结果表明:原子间的偶极作用导致<span style=\"color:red\">纠缠</span>度的减少和时间演化周期的增加.","authors":[{"authorName":"张登玉","id":"99b120b6-e91f-4b85-993f-ac5dba2fbc5d","originalAuthorName":"张登玉"},{"authorName":"谢利军","id":"6baadc6a-5231-4043-93e3-be7d998061dc","originalAuthorName":"谢利军"},{"authorName":"唐世清","id":"6672da7e-3965-42f6-a47c-3e976d271e9c","originalAuthorName":"唐世清"},{"authorName":"詹孝贵","id":"efd756ea-4127-4c76-b79f-b004f80b9113","originalAuthorName":"詹孝贵"},{"authorName":"高峰","id":"46d8cffb-1b9e-4d77-adda-898a8f563187","originalAuthorName":"高峰"}],"doi":"10.3969/j.issn.1007-5461.2009.01.011","fpage":"65","id":"bf05008b-eb39-418a-a1e4-dc9244300d5a","issue":"1","journal":{"abbrevTitle":"LZDZXB","coverImgSrc":"journal/img/cover/LZDZXB.jpg","id":"53","issnPpub":"1007-5461","publisherId":"LZDZXB","title":"量子电子学报   "},"keywords":[{"id":"d406ac1f-b66c-43ad-a7f8-7fd621290dd0","keyword":"量子光学","originalKeyword":"量子光学"},{"id":"dc4eda75-8fc1-4953-80d7-c49e14e597fd","keyword":"单模真空场","originalKeyword":"单模真空场"},{"id":"d6b3a869-2f7b-4744-9d30-dbbec98183ec","keyword":"二能级原子","originalKeyword":"二能级原子"},{"id":"6ab07258-794a-4fdd-860b-fd8b507d15c4","keyword":"<span style=\"color:red\">纠缠</span>","originalKeyword":"纠缠"},{"id":"ec159f9e-b39d-4e47-aac1-86c07d5d9405","keyword":"共生<span style=\"color:red\">纠缠</span>度","originalKeyword":"共生纠缠度"}],"language":"zh","publisherId":"lzdzxb200901011","title":"单模真空场中两个耦合二能级原子<span style=\"color:red\">纠缠</span>的时间演化特性","volume":"26","year":"2009"},{"abstractinfo":"本文研究了双轴分子磁体在耗散环境中的相干量子隧穿,作为环境的声子库抑制了相干量子隧穿,从而引起分子磁体中薛定谔猫态的退相干. 而环境内部声子之间的相互作用会导致分子磁体与热库之间退耦合,于是对退相干有一定的抑制作用. 在绝热近似和非绝热近似下,借助于约化密度矩阵计算了超Ohmo耗散中分子磁体与环境之间的<span style=\"color:red\">纠缠</span>度,当<span style=\"color:red\">纠缠</span>达到最大时,相干隧穿被完全抑制.","authors":[{"authorName":"聂一行","id":"5127b64c-9ce0-4311-955b-05325257a360","originalAuthorName":"聂一行"},{"authorName":"赵华","id":"f4eb7e3c-29ae-46f1-8e81-0417f1b07bc3","originalAuthorName":"赵华"},{"authorName":"梁军军","id":"30c9e305-841c-4dcf-9aee-e31841304c43","originalAuthorName":"梁军军"},{"authorName":"梁九卿","id":"11ec9dc6-5cb1-4ffe-8f38-5cccca33c464","originalAuthorName":"梁九卿"}],"doi":"10.3969/j.issn.1000-3258.2004.03.008","fpage":"216","id":"b169edfb-e101-4346-b4d5-a20104ae7f00","issue":"3","journal":{"abbrevTitle":"DWWLXB","coverImgSrc":"journal/img/cover/DWWLXB.jpg","id":"19","issnPpub":"1000-3258","publisherId":"DWWLXB","title":"低温物理学报   "},"keywords":[{"id":"bcb58b5f-f956-46ca-a0c8-6a3b3713ee31","keyword":"分子磁体","originalKeyword":"分子磁体"},{"id":"470d2c2f-5fa4-49ee-97b0-ea025240717e","keyword":"相干隧穿","originalKeyword":"相干隧穿"},{"id":"5f82d511-6abc-49f9-9795-2b838c43c680","keyword":"退相干","originalKeyword":"退相干"},{"id":"e5a1d71c-fe33-4641-98ad-1c6d5bf21360","keyword":"<span style=\"color:red\">纠缠</span>","originalKeyword":"纠缠"}],"language":"zh","publisherId":"dwwlxb200403008","title":"分子磁体与环境的<span style=\"color:red\">纠缠</span>和退相干","volume":"26","year":"2004"},{"abstractinfo":"考虑一个二能级原子与单模热光场经由双光子过程耦合,采用量子约化熵研究了原子和场的约化熵变化规律,用共生<span style=\"color:red\">纠缠</span>度(Concurrence)研究了原子与场之间的<span style=\"color:red\">纠缠</span>演化.借助于数值计算方法,详细分析了在混态J-C模型中,Stark位移和平均光子数对约化熵变和<span style=\"color:red\">纠缠</span>的影响.结果表明在Stark位移影响下,原子和光场的约化熵变化量均减小.选择适当的原子初态,可以使得原子的约化熵和光场的约化熵发生交换.此外,考虑Stark位移时,原子与光场之间<span style=\"color:red\">纠缠</span>的最小值增大,原子与光场不再出现退<span style=\"color:red\">纠缠</span>态.","authors":[{"authorName":"胡要花","id":"6711d9b8-1231-4d6b-a61b-fa9a49e87744","originalAuthorName":"胡要花"}],"doi":"10.3969/j.issn.1007-5461.2012.04.010","fpage":"441","id":"2a0cf2d7-fbc1-47db-ac7d-8ef13d68a6f1","issue":"4","journal":{"abbrevTitle":"LZDZXB","coverImgSrc":"journal/img/cover/LZDZXB.jpg","id":"53","issnPpub":"1007-5461","publisherId":"LZDZXB","title":"量子电子学报   "},"keywords":[{"id":"fc415123-d832-4fe8-913c-83efcd202b9c","keyword":"量子光学","originalKeyword":"量子光学"},{"id":"29610085-588c-4f6d-a815-35ad9e49d675","keyword":"<span style=\"color:red\">纠缠</span>","originalKeyword":"纠缠"},{"id":"29fe10d4-6c58-45a0-9f78-8ad7400619b8","keyword":"共生<span style=\"color:red\">纠缠</span>度","originalKeyword":"共生纠缠度"},{"id":"552063da-9c67-463e-a35d-2afea0068cdf","keyword":"量子约化熵","originalKeyword":"量子约化熵"},{"id":"e8dbee30-ed42-41ca-96e2-8db66e8b19dd","keyword":"Stark位移","originalKeyword":"Stark位移"},{"id":"9b648a60-0e2b-4bca-bdbc-e2b280eafef4","keyword":"Jaynes-Cummings模型","originalKeyword":"Jaynes-Cummings模型"}],"language":"zh","publisherId":"lzdzxb201204010","title":"Stark位移对混态J-C模型中熵和<span style=\"color:red\">纠缠</span>的影响","volume":"29","year":"2012"},{"abstractinfo":"在量子信息传输过程中,环境的作用会导致退相干与退<span style=\"color:red\">纠缠</span>.利用不同类型量子比特的优点,构成杂化量子比特系统是克服退相干效应、实现量子信息传输的一个有效方案.将耦合量子比特之间信息交换过程中存在的能量损耗(量子比特间的交换衰减),与外部环境的退相干效应有机结合起来,可以实现无退<span style=\"color:red\">纠缠</span>效应的量子信息传输.给出了实现无退<span style=\"color:red\">纠缠</span>效应信息传输,交换衰减率与退相干时间匹配的约束关系.","authors":[{"authorName":"嵇英华","id":"ea1dea68-d375-44ab-ade2-a5bef47ecf13","originalAuthorName":"嵇英华"},{"authorName":"黄剑华","id":"76896540-d5aa-439f-81a5-e0002b41f7d7","originalAuthorName":"黄剑华"},{"authorName":"刘咏梅","id":"ac0cf698-101d-41d2-a7ac-d1f548af6bb3","originalAuthorName":"刘咏梅"}],"doi":"10.3969/j.issn.1007-5461.2014.01.006","fpage":"40","id":"02327e0e-ac2e-4f14-a367-66a16455accc","issue":"1","journal":{"abbrevTitle":"LZDZXB","coverImgSrc":"journal/img/cover/LZDZXB.jpg","id":"53","issnPpub":"1007-5461","publisherId":"LZDZXB","title":"量子电子学报   "},"keywords":[{"id":"c9184db2-99cc-489e-80e1-20a3236fefb8","keyword":"量子光学","originalKeyword":"量子光学"},{"id":"e062ef75-6429-44b6-9d48-a31039295eb3","keyword":"杂化量子比特","originalKeyword":"杂化量子比特"},{"id":"852cf838-42ca-41da-be99-bd78375fbc11","keyword":"交换衰减","originalKeyword":"交换衰减"},{"id":"f11cd1ef-a567-4c8a-969b-99c65797e49e","keyword":"<span style=\"color:red\">纠缠</span>","originalKeyword":"纠缠"},{"id":"c738c009-9a48-4077-b5e3-a7cfc6fec539","keyword":"信息传输","originalKeyword":"信息传输"}],"language":"zh","publisherId":"lzdzxb201401006","title":"利用量子比特间交换衰减实现无退<span style=\"color:red\">纠缠</span>的量子信息传输","volume":"31","year":"2014"},{"abstractinfo":"通过求解Milburn方程,研究了包含非线性相互作用的Heisenberg自旋链模型中量子<span style=\"color:red\">纠缠</span>和平均保真度的动力学特性,讨论了非线性相互作用和不同初始态对量子<span style=\"color:red\">纠缠</span>及平均保真度退相干的影响.结果表明:系统处于铁磁或反铁磁会导致量子<span style=\"color:red\">纠缠</span>随非线性相互作用的变化不同,相互作用处于铁磁情形比反铁磁时<span style=\"color:red\">纠缠</span>变化明显;不同初始态对应不同的平均保真度表现,初始态的选择会影响系统的量子通信特性.","authors":[{"authorName":"王晓","id":"20f07adb-1de0-45ca-976f-719729e65354","originalAuthorName":"王晓"},{"authorName":"秦猛","id":"8990d3a9-767f-402d-bf9f-24309a3485b1","originalAuthorName":"秦猛"}],"doi":"10.3969/j.issn.1007-5461.2016.05.008","fpage":"561","id":"10d82f7f-2221-4d64-9c3e-35e5f99e9a6d","issue":"5","journal":{"abbrevTitle":"LZ","coverImgSrc":"journal/img/cover/LZ.jpg","id":"52","issnPpub":"1005-4006","publisherId":"LZ","title":"连铸"},"keywords":[{"id":"62a6b748-c2d0-43b2-81a6-beb015c2b276","keyword":"量子光学","originalKeyword":"量子光学"},{"id":"4899baed-7297-465c-ab25-ad6b49c039d6","keyword":"<span style=\"color:red\">纠缠</span>","originalKeyword":"纠缠"},{"id":"e641fa96-07a4-4230-bce7-9eb366600dc3","keyword":"非线性耦合","originalKeyword":"非线性耦合"},{"id":"c19fa48b-b8c2-49b4-a426-8c076a2d6d9e","keyword":"内禀退相干","originalKeyword":"内禀退相干"}],"language":"zh","publisherId":"lzdzxb201605008","title":"内禀退相干条件下非线性相互作用对量子<span style=\"color:red\">纠缠</span>和保真度的影响","volume":"33","year":"2016"},{"abstractinfo":"基于最大<span style=\"color:red\">纠缠</span>信道和非最大<span style=\"color:red\">纠缠</span>信道,提出了两个一类三量子比特W态的远程制备方案.在制备过程中,需要实施三量子比特的投影测量和一些幺正操作.计算了方案的成功几率和经典信息量消耗.结果显示,两个方案都能以一定几率高保真度地实现.此外,讨论了方案的特性并进行了可行性分析.结果表明,当被制备态属于一些特殊态时成功几率大大提高；方案也是切合目前的实验技术,具有可行性.","authors":[{"authorName":"王栋","id":"cbff08d1-94d6-4396-a559-a89369936d71","originalAuthorName":"王栋"},{"authorName":"叶柳","id":"94207625-6fee-49da-a804-636c1f1b3372","originalAuthorName":"叶柳"}],"doi":"10.3969/j.issn.1007-5461.2012.03.012","fpage":"330","id":"181fd10a-84f1-4adb-8bdd-9aa66018f687","issue":"3","journal":{"abbrevTitle":"LZDZXB","coverImgSrc":"journal/img/cover/LZDZXB.jpg","id":"53","issnPpub":"1007-5461","publisherId":"LZDZXB","title":"量子电子学报   "},"keywords":[{"id":"1248f358-3755-4d36-9862-d13b18f4addb","keyword":"量子光学","originalKeyword":"量子光学"},{"id":"72652025-8725-48a0-b0a7-14d6a1d7b4f7","keyword":"远程态制备","originalKeyword":"远程态制备"},{"id":"06558ac5-0980-4419-a0b8-3621c3342214","keyword":"<span style=\"color:red\">纠缠</span>","originalKeyword":"纠缠"},{"id":"cb293aa7-ada5-47da-9b91-df8d83cf6de5","keyword":"W态","originalKeyword":"W态"},{"id":"a15b1a43-f7fa-4092-8d20-4f9663350f0d","keyword":"经典信息消耗","originalKeyword":"经典信息消耗"}],"language":"zh","publisherId":"lzdzxb201203012","title":"基于最大和非最大<span style=\"color:red\">纠缠</span>信道一类三量子比特W态的远程制备方案","volume":"29","year":"2012"}],"totalpage":20,"totalrecord":199}