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强激光场中模型氢原子的势函数对产生高次谐波强度的影响 被引量：2

Role of potential function in high order harmonic generation of model hydrogen atoms in intense laser field
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摘要 在保证一维模型氢原子基态能量不变的前提下,通过构造一个可调参数的势函数,研究了在单个周期和多个周期激光作用下,取不同参数势函数一维模型氢原子产生的高次谐波谱规律.结果表明,在过垒电离区域,一维模型氢原子的高次谐波强度与势函数势阱的深度有关,与势函数是否存在库仑奇点没有直接关系. By constructing one-dimensional model potential function with variable parameters, we investigate the high order harmonic generation （HHG） of one-dimensional model hydrogen atoms and real hydrogen atom with same ground state energy in 1 cycle and 16 cycles of intense laser fields. Our results show that in the over-barrier ionization region, the intensities of HHG for one-dimensional model atoms with different potential parameters are closely related with the depth of the potential well, but independent of the Coulomb singularity of the potential.
作者 李会山 李鹏程 周效信
机构地区 西北师范大学物理与电子工程学院 青海大学基础部
出处 《物理学报》 SCIE EI CAS CSCD 北大核心 2009年第11期7633-7639,共7页 Acta Physica Sinica
基金 国家自然科学基金(批准号:10674112) 兰州重离子加速器国家实验室原子核理论中心 甘肃省教育厅基金(批准号:0601-23) 西北师范大学创新项目(批准号:NWNU-KJCXGC-03-21)资助的课题~~
关键词 强激光场 一维模型氢原子 势函数 高次谐波 intense laser field one-dimensional model hydrogen atom model potential high order harmonic generation
分类号 O562 [理学—原子与分子物理]
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参考文献10

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同被引文献21

  • 1李会山,李鹏程,周效信.强激光场中模型氢原子和真实氢原子产生高次谐波的比较[J].原子与分子物理学报,2009,26(3):524-528. 被引量：3
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物理学报
2009年 第11期

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