{"title":"线偏振激光中氢原子隧穿电离的广义动量","authors":"Wai Loon-Ho, C. Ooi, A. Bandrauk","doi":"10.1109/ICP.2012.6379842","DOIUrl":null,"url":null,"abstract":"We extend the Keldysh theory to study the characteristics of ionization rate of a hydrogenic atom subjected to intense lasers field. We obtain an exact semianalytical result of the ionization rate for the linearly polarized laser field. The Keldysh's theory is generalized for arbitrary momentum of the photoelectron. We study the contribution of an additional term, associated with the second pole neglected in Keldysh's theory, to the photoionization spectra of the exact rates as functions of frequency and electric field strength.","PeriodicalId":243533,"journal":{"name":"2012 IEEE 3rd International Conference on Photonics","volume":"46 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2012-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Generalized momentum of tunnelling ionization of hydrogenic atom in linearly polarized laser\",\"authors\":\"Wai Loon-Ho, C. Ooi, A. Bandrauk\",\"doi\":\"10.1109/ICP.2012.6379842\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"We extend the Keldysh theory to study the characteristics of ionization rate of a hydrogenic atom subjected to intense lasers field. We obtain an exact semianalytical result of the ionization rate for the linearly polarized laser field. The Keldysh's theory is generalized for arbitrary momentum of the photoelectron. We study the contribution of an additional term, associated with the second pole neglected in Keldysh's theory, to the photoionization spectra of the exact rates as functions of frequency and electric field strength.\",\"PeriodicalId\":243533,\"journal\":{\"name\":\"2012 IEEE 3rd International Conference on Photonics\",\"volume\":\"46 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2012-12-13\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2012 IEEE 3rd International Conference on Photonics\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICP.2012.6379842\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2012 IEEE 3rd International Conference on Photonics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICP.2012.6379842","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Generalized momentum of tunnelling ionization of hydrogenic atom in linearly polarized laser
We extend the Keldysh theory to study the characteristics of ionization rate of a hydrogenic atom subjected to intense lasers field. We obtain an exact semianalytical result of the ionization rate for the linearly polarized laser field. The Keldysh's theory is generalized for arbitrary momentum of the photoelectron. We study the contribution of an additional term, associated with the second pole neglected in Keldysh's theory, to the photoionization spectra of the exact rates as functions of frequency and electric field strength.
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