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一维Tonks-Girardeau原子气区域中的亮孤子解
  • ISSN号：1000-3290
  • 期刊名称：《物理学报》
  • 时间：0
  • 分类：O562[理学—原子与分子物理;理学—物理]
  • 作者机构：[1]北京物资学院物流学院,北京101149, [2]中国工程物理研究院研究生部,北京100088, [3]宁波大学理学院,宁波315211, [4]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：10474008,10476033）,国家重点基础研究发展计划（973）项目（批准号：2007CB814800）和北京市属市管高等学校人才强教计划资助的课题.
作者： 刘红[1], 魏佳羽[2], 楼森岳[3], 贺贤土[4]
关键词： 玻色-爱因斯坦凝聚, Tonks-Girardeau气体, 孤子解, 非线性薛定谔方程, 超冷原子气体, Bose-Einstein condensate （BEC）, Tonks-Girardeau gas, soliton solution
中文摘要：

利用玻色-费米图像,发现了一维Tonks-Girardeau气体的孤子解,方法是在平均场近似的基础上,利用对称变换,将GP方程转化为高阶强相互作用的非线性薛定谔方程,之后解析求解这个含五次方的非线性薛定谔方程,得到一个亮孤子解,这对从实验上观测Tonks-Girardeau气体的孤子现象具有指导作用.

英文摘要：

Base on spherical symmetric trap treatment, we analyze how to change a generalized Gross-Pitaevskii equation to a quintic nonlinear Sehroedinger equation. Analysing the nonlinear Sehroedinger equation, we find a typical bright soliton solution in Tonks- Girardeau gas region. This will help experimental observations.

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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