{"title":"暖致密物质形成过程中对 X 射线脉冲的非线性吸收","authors":"","doi":"10.1038/s41567-024-02594-x","DOIUrl":null,"url":null,"abstract":"A bright, ultrashort X-ray pulse is used to transiently create and characterize warm dense copper. As the pulse intensity is increased, the opacity of copper is strongly altered. The recorded X-ray absorption spectra, substantiated by a theoretical electronic structure model, provide insight into the non-equilibrium electron dynamics during the formation of warm dense matter.","PeriodicalId":19100,"journal":{"name":"Nature Physics","volume":"20 10","pages":"1536-1537"},"PeriodicalIF":17.6000,"publicationDate":"2024-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Nonlinear absorption of an X-ray pulse during the formation of warm dense matter\",\"authors\":\"\",\"doi\":\"10.1038/s41567-024-02594-x\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A bright, ultrashort X-ray pulse is used to transiently create and characterize warm dense copper. As the pulse intensity is increased, the opacity of copper is strongly altered. The recorded X-ray absorption spectra, substantiated by a theoretical electronic structure model, provide insight into the non-equilibrium electron dynamics during the formation of warm dense matter.\",\"PeriodicalId\":19100,\"journal\":{\"name\":\"Nature Physics\",\"volume\":\"20 10\",\"pages\":\"1536-1537\"},\"PeriodicalIF\":17.6000,\"publicationDate\":\"2024-08-08\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Nature Physics\",\"FirstCategoryId\":\"101\",\"ListUrlMain\":\"https://www.nature.com/articles/s41567-024-02594-x\",\"RegionNum\":1,\"RegionCategory\":\"物理与天体物理\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"PHYSICS, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Nature Physics","FirstCategoryId":"101","ListUrlMain":"https://www.nature.com/articles/s41567-024-02594-x","RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"PHYSICS, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
摘要
利用明亮的超短 X 射线脉冲瞬时产生并描述暖致密铜。随着脉冲强度的增加，铜的不透明度发生了强烈变化。所记录的 X 射线吸收光谱得到了理论电子结构模型的证实，使人们得以深入了解暖致密物质形成过程中的非平衡电子动力学。
Nonlinear absorption of an X-ray pulse during the formation of warm dense matter
A bright, ultrashort X-ray pulse is used to transiently create and characterize warm dense copper. As the pulse intensity is increased, the opacity of copper is strongly altered. The recorded X-ray absorption spectra, substantiated by a theoretical electronic structure model, provide insight into the non-equilibrium electron dynamics during the formation of warm dense matter.
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