INFORMA基于TMN 的OXC''''s 信息建模(英文)

本文介绍了对多波长光传送网实施基于ＴＭＮ 管理中涉及的信息建模的方法问题，在建议了一组用于描述光传送网通用功能的基本传送对象类的基础上，讨论了几种典型ＯＸＣ′ｓ 信息建模的方法，包括可能用到的对象类，这些方法和对象类为建立实际的、完整的ＯＸＣ′ｓ 信息模型提供了的基础－     

Controlling Entanglement Dynamics by Choosing Appropriate Ratio between Cavity-Fiber Coupling and Atom-Cavity Coupling

The entanglement characteristics including the so-called sudden death effect between two identical twolevel atoms trapped in two separate cavities connected by an optical fiber are studied. The results show that the time evolution of entanglement is sensitive not only to the degree of entanglement of the initial state but also to the ratio between cavity-fiber coupling （v） and atom-cavity coupling （g）. This means that the entanglement dynamics can be controlled by choosing specific v and ft.     

Multi-Atom Entanglement Engineering in Distant Cavities via Resonant Interaction

We propose a scheme for the generation of entangled states for multiple atoms trapped in three distant cavities connected by two identical single-mode fibers. Compared with the previous schemes, the distinct advantages of the proposed scheme are： First, all the cavities in the proposed protocol can interact with each other freely, which is important in quantum communication and distributed quantum computation. Secondly, in the scheme, the atoms, cavities, and fiber mode are in resonance. Thus, the required interaction time is short, which is important in view of decoherence. In principle, the proposed scheme can be extended to generate n atoms entangled states.     

Banach空间中Mann迭代和Ishikawa迭代的等价性问题

用不同于已有的方法证明了任意实Banach空间中一致Lipschitz强连接伪压缩算子在具误差的修正的Mann迭代和具误差的修正的Ishikawa迭代下收敛和稳定的等价性,其中迭代参数{βn}仅需lim sup n→∞βn〈k/L（L＋1）,这推广和改进了目前需假设lim n→∞ βn=0和两迭代程序初始点的取值需相同条件下的已有结果.     

Existence of sign-changing solutions for the p-Laplacian equation from linking type theorem

In this paper, the existence of sign-changing solutions for p-Laplacian equation is obtained via a new linking theorem.     

Banach空间中Mann-Ishikawa迭代和Multi-Step迭代的等价性问题

本文研究了一致光滑Banach空间中迭代算法等价性的问题.利用泛函分析的方法,获得了广义强连接Φ伪压缩算子在具误差的修正的Mann-Ishikawa迭代和具误差的修正的multi-step 迭代下收敛等价性的结果,推广了目前的相关结果.     

簇间连接方式不同的簇网络的同步过程研究

本文对簇间连接方式不同的三类簇网络的同步能力和同步过程进行研究. 构成簇网络的两个子网均为BA无标度网络, 当簇间连接方式是双向耦合时, 称其为TWD网络模型, 当簇间连接是大子网驱动小子网时, 称其为BDS网络模型, 当簇间连接是小子网驱动大子网时, 称其为SDB网络模型. 研究表明, 当小子网和大子网节点数目的比值大于某一临界值时, TWD网络模型的同步能力大于BDS网络模型的同步能力, 当该比值小于某一临界值时, TWD网络模型的同步能力小于BDS网络模型的同步能力, SDB网络模型的同步能力是三种网络结构中最差的. 对于簇间连接具有方向性的单向驱动网络, 簇网络的整体同步能力与被驱动子网的节点数和簇间连接数有关, 与驱动网络自身节点数无关. 增加簇间连接数在开始时会降低各子网的同步速度, 但最终各子网到达完全同步的时间减少, 网络的整体同步能力增强. 文中以Kuramoto相振子作为网络节点, 研究了不同情况下三种簇网络的同步过程, 证明了所得结论的正确性. 关键词： 簇网络 有向连接 同步能力 Kuramoto振子     

Difference of Oxide Hetero-structure Junctions with Semiconductor Electronic Devices

Charge carrier injection is performed in Pr0.7Ca0.3MnO3 （PCMO） hetero-structure junctions, exhibiting the stability without electric fields and dramatic changes in both resistance and interface barriers, which are entirely different from behaviour of semiconductor devices. The disappearance and reversion of interface barriers suggest that the adjustable resistance switching of such hetero-strueture oxide devices should associate with motion of charge carriers across interfaces. The results suggest that injected carriers should be still staying in devices and result in changes of properties, which lead to a carrier self-trapping and releasing picture in a strongly correlated electronic framework. Observations in PCMO and oxygen deficient CeO2-δ devices show that oxides as functional materials could be used in mieroeleetronics with some novel properties, in which the interface is very important.     

直流高温超导电缆用于数据中心配电的可行性

高温超导直流电缆是一种无传输损耗、高载流密度的特殊电缆,有潜力解决数据中心耗电功率密集、物理空间受限等问题。为了探究高温超导电缆在数据中心直流母线中应用的可行性,以某可再生能源供电、交直流混合配电的数据中心为原型,设计了高温超导电缆为数据中心配电的直流母线结构及其与支路的连接方式,通过有限元仿真的方法,设计了母线的基本结构,并对配电的效率、优势进行了初步分析。结果表明,在分布式新能源供电的数据中心中,应用高温超导直流电缆具有减少变电环节、减少空间占用、改善通风散热的作用,从而可以降低数据中心中的能量损失。     

β-巯基氨基酸的合成与应用

自然化学连接(Native chemical ligation, NCL)是蛋白质化学合成中里程碑式的重要反应.在温和的中性水相缓冲液中,通过自然化学连接可以将N端为半胱氨酸的多肽与C端为硫酯的多肽连接合成带有修饰的蛋白质.天然蛋白质的半胱氨酸丰度仅为1.7%,导致难以找到合适的半胱氨酸反应位点,阻碍了NCL的广泛应用.“自然化学连接-脱硫”的策略首次将连接位点拓展到丙氨酸,启发了化学家们通过不同类型的β-巯基氨基酸来介导NCL反应,随后通过脱硫反应可以得到天然多肽序列,为蛋白质的合成提供更多选择.近年来,多个课题组完成了β-巯基苯丙氨酸、亮氨酸、精氨酸、天冬氨酸、天冬酰胺、赖氨酸、甲硫氨酸、色氨酸、谷氨酸和谷氨酰胺的合成,并应用NCL-脱硫策略合成蛋白质.将对上述β-巯基氨基酸合成与应用予以综述.