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The effect of configuration complex on dielectronic recombination process in highly ionized plasmas 下载免费PDF全文
This paper analyses the effect of configuration complex on dielectronic recombination (DR) process in highly ionized plasmas (Xe^26+, Dy^38+, W^46+) by using the multiconfiguration relativistic Hartree-Fock method. Resonant and nonresonant radiative stabilizing transitions and decays to autoionizing levels followed by radiative cascades are included. Collisional transitions following electron capture are neglected. The remarkable difference between the isoelectronic trend of the rate coefficients for DR through 3d^94l4l′ and through 3d^94l5l′ is emphasized. The trend of DR through 3d^94l4l′ shows irregularities at relatively low temperature due to the progressive closing of DR channels as atomic number Z increases. 相似文献
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在自旋轨道劈裂阵模型下,考虑组态间的耦合,计算出类铜钽激光等离子体的跃迁组态的波长和对应的波数,通过组态平均分析了其自电离与辐射跃迁特性,得出相关的自电离系数和辐射衰减系数,这些参数为分析高离化钽激光等离子体的双电子复合过程提供了重要的理论依据. 相似文献
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在自旋轨道劈裂阵模型(SOSA)下,理论计算出类锌Au^49+的双电子复合速率系数,得出其在电子温度0.02keV-5.0kev范圈内的变化规律,分析不同离化度离子的能级特征,及影响双电子复合速率系数的主要因素是相应的中间自电离态旁观电子主量子数、旁观电子角动量和电离能,这为实现等离子体的诊断提供了重要的参数. 相似文献
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Performance of Differential-Phase-Shift Keying Protocol Applying 1310nm Up-Conversion Single-Photon Detector 下载免费PDF全文
The performance of the differential-phase-shift keying (DPSK) protocol applying a 1310nm up-conversion singlephoton detector is analysed. The error rate and the communication rate as a function of distance for three quantum key distribution protocols, the Bennett-Brassard 1984, the Bennett-Brassard -Mermin 1992, and the DPSK, are presented. Then we compare the performance of these three protocols using the 1310 nm up-conversion detector. We draw the conclusion that the DPSK protocol applying the detector has significant advantage over the other two protocols. Longer transmission distance and lower error rate can be achieved. 相似文献
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在自旋轨道劈裂阵模型(SOSA)下,理论计算出类锌Au49+的双电子复合速率系数,得出其在电子温度 0.02 keV~5.0 keV范围内的变化规律,分析不同离化度离子的能级特征,及影响双电子复合速率系数的主要因素是相应的中间自电离态旁观电子主量子数、旁观电子角动量和电离能,这为实现等离子体的诊断提供了重要的参数. 相似文献
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Analysis of the differential-phase-shift-keying protocol in the quantum-key-distribution system 下载免费PDF全文
The analysis is based on the error rate and the secure communication
rate as functions of distance for three quantum-key-distribution
(QKD) protocols: the Bennett--Brassard 1984, the
Bennett--Brassard--Mermin 1992, and the coherent
differential-phase-shift keying (DPSK) protocols. We consider the
secure communication rate of the DPSK protocol against an arbitrary
individual attack, including the most commonly considered
intercept-resend and photon-number splitting attacks, and concluded
that the simple and efficient differential-phase-shift-keying
protocol allows for more than 200 km of secure communication
distance with high communication rates. 相似文献
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在自旋-轨道劈裂阵模型下,通过类铜的内壳层激发组态计算了类镍氙的双电子复合速率系数,其中考虑了共振和非共振辐射平衡跃迁对自电离能级的影响,而忽略了因碰撞跃迁引起的电子俘获,非共振辐射平衡跃迁在低电子温度条件下主要影响双电子复合过程;本文讨论了双电子复合系数及双电子伴线强度比随电子温度的变化. 相似文献