Collective energy loss of attosecond electron bunches

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• 作者：A. Ogata^a ; ^{ogata@post.kek.jp} ; T. Kondoh^a ; K. Norizawa^a ; J. Yang^a ; Y. Yoshida^a ; S. Kashiwagi^a ; T. Kaneko^b
• 关键词：Attosecond electron bunches ; Stopping power ; Wake field ; High-energy-density state ; 2D PIC simulation
• 刊名：Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
• 出版年：2011
• 出版时间：1 May, 2011
• 年：2011
• 卷：637
• 期：1_supp_S
• 页码：S95-S98
• 全文大小：1K

文摘

In this study, we have analytically shown that if the electron bunch length is in the 100-as range, the energy loss of the bunch is proportional to the square of the number of electrons in the bunch. If the number of electrons is large, the collective loss introduces a high-energy-density state in the target. The results were verified by carrying out 2D PIC simulations.