A Scaling Law of Photoelectron Angular Distributions in One-Cycle Laser Pulses

BAI Li-Hua; ZHANG Jing-Tao; XU Zhi-Zhan

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A Scaling Law of Photoelectron Angular Distributions in One-Cycle Laser Pulses

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@@ The photoelectron angular distributions (PADs) from above-threshold ionization of atoms irradiated by one-cycle laser pulses satisfy a scaling law.The scaling law denotes that the main features of the PADs are determined by four dimensionless parameters: (1) the ponderomotive number up = Up/hω, the ponderomotive energy Up in units of laser photon energy; (2) the binding number εb = Eb/hω, the atomic binding energy Eb in units of laser photon energy; (3) the number of absorbed photons q; (4) the carrier-envelope phase Φ0, the phase of the carrier wave with respect to the envelope.We verify the scaling law by theoretical analysis and numerical calculation,compared to that in long-pulse case.A possible experimental test to verify the scaling law is suggested.

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《中国物理快报：英文版》 |2005年第4期|853-856|共4页
作者
BAI Li-Hua; ZHANG Jing-Tao; XU Zhi-Zhan;
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Laboratory for High Intensity Optics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800;

Laboratory for High Intensity Optics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800;

Laboratory for High Intensity Optics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800;

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正文语种 chi
中图分类物理学;
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A Scaling Law of Photoelectron Angular Distributions in One-Cycle Laser Pulses

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