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三势阱中玻色-爱因斯坦凝聚的开关特性
  • ISSN号：1000-3290
  • 期刊名称：《物理学报》
  • 时间：0
  • 分类：O469[理学—凝聚态物理;理学—电子物理学;理学—物理] O413.1[理学—理论物理;理学—物理]
  • 作者机构：[1]河北师范大学物理科学与信息工程学院,石家庄050016, [2]北京应用物理与计算数学研究所,北京100088
  • 相关基金：国家自然科学基金（批准号：10725521,10604009）和国家重点基础研究发展规划（批准号：2006CB921400,2007CB814800）资助的课题.
作者： 王海雷[1,2], 杨世平[1]
关键词： 玻色-爱因斯坦凝聚, 开关效应, 三势阱, 平均场近似, Bose-Einstein condensate,switching effect,triple-well potential,mean-field approach
中文摘要：

应用平均场近似的方法,研究了弱耦合的三势阱中玻色-爱因斯坦凝聚的开关效应.当粒子置于左阱时,可以通过在中间势阱中加入少量粒子控制左阱粒子向右阱的隧穿,从而呈现出明显的导通与截止行为.对中间势阱的深度和相对相位的影响也进行了讨论,并指出了该理论模型的一些潜在应用前景.

英文摘要：

We propose a scheme utilizing mean-field approach to exhibits the switching effect in a symmetrical Bose-Einstein condensate triple-well potential.Our study shows that tunneling from the left well to the right well of a large number of atoms can be controlled by a small amount of atoms in the middle well.We also discuss the role played by the relative phase and the relation between the zero-point and the critical value of working range.The potential applications of our model are pointed out.

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期刊信息
  • 《物理学报》
  • 北大核心期刊（2011版）
  • 主管单位:中国科学院
  • 主办单位:中国物理学会 中国科学院物理研究所
  • 主编：欧阳钟灿
  • 地址：北京603信箱(中国科学院物理研究所)
  • 邮编：100190
  • 邮箱：apsoffice@iphy.ac.cn
  • 电话：010-82649026
  • 国际标准刊号：ISSN：1000-3290
  • 国内统一刊号：ISSN：11-1958/O4
  • 邮发代号:2-425
  • 获奖情况:
  • 1999年首届国家期刊奖,2000年中科院优秀期刊特等奖,2001年科技期刊最高方阵队双高期刊居中国期刊第12位
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  • 被引量:49876