{"title":"强太赫兹激光辐射下半导体的磁等离子体模式","authors":"W. Xu","doi":"10.1109/COMMAD.1998.791655","DOIUrl":null,"url":null,"abstract":"In this paper, we study theoretically how a linearly polarised intense laser field affects the magneto-plasmon modes in a semiconductor-based electron gas system. Using time-dependent condensed matter theory, we have obtained the electron density of states and the plasmon spectrum in the spectrum representation, and we have investigated the dependence of the magneto-plasmon excitation and the Fermi energy on frequency and intensity of the laser field and on magnetic field in GaAs material. The results are pertinent to the application of terahertz free-electron laser sources developed very recently.","PeriodicalId":300064,"journal":{"name":"1998 Conference on Optoelectronic and Microelectronic Materials and Devices. Proceedings (Cat. No.98EX140)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1998-12-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Magneto-plasmon modes in a semiconductor under intense terahertz laser radiation\",\"authors\":\"W. Xu\",\"doi\":\"10.1109/COMMAD.1998.791655\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In this paper, we study theoretically how a linearly polarised intense laser field affects the magneto-plasmon modes in a semiconductor-based electron gas system. Using time-dependent condensed matter theory, we have obtained the electron density of states and the plasmon spectrum in the spectrum representation, and we have investigated the dependence of the magneto-plasmon excitation and the Fermi energy on frequency and intensity of the laser field and on magnetic field in GaAs material. The results are pertinent to the application of terahertz free-electron laser sources developed very recently.\",\"PeriodicalId\":300064,\"journal\":{\"name\":\"1998 Conference on Optoelectronic and Microelectronic Materials and Devices. Proceedings (Cat. No.98EX140)\",\"volume\":\"1 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1998-12-14\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"1998 Conference on Optoelectronic and Microelectronic Materials and Devices. Proceedings (Cat. No.98EX140)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/COMMAD.1998.791655\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"1998 Conference on Optoelectronic and Microelectronic Materials and Devices. Proceedings (Cat. No.98EX140)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/COMMAD.1998.791655","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Magneto-plasmon modes in a semiconductor under intense terahertz laser radiation
In this paper, we study theoretically how a linearly polarised intense laser field affects the magneto-plasmon modes in a semiconductor-based electron gas system. Using time-dependent condensed matter theory, we have obtained the electron density of states and the plasmon spectrum in the spectrum representation, and we have investigated the dependence of the magneto-plasmon excitation and the Fermi energy on frequency and intensity of the laser field and on magnetic field in GaAs material. The results are pertinent to the application of terahertz free-electron laser sources developed very recently.
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