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Carrier-Envelope Phase-Dependent Effect on Photoelectron Angular Distribution in Single-Cycle Laser Pulses
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ZHANG Jie1,2;ZHANG Jing-Tao2;SUN Zhen-Rong1;XU Zhi-Zhan1,2 |
1Key Laboratory of Optical and Magnetic Resonance Spectroscopy, Department of Physics, East China Normal University, Shanghai 200062
2Laboratory for High Intensity Optics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800 |
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Cite this article: |
ZHANG Jie, ZHANG Jing-Tao, SUN Zhen-Rong et al 2004 Chin. Phys. Lett. 21 468-471 |
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Abstract Using a nonperturbative scattering theory, we study the photoelectron angular distributions (PADs) of Kr atoms irradiated by an infinite sequence of intense single-cycle pulses of circular polarization. We demonstrate the inversion asymmetry of PADs and the dependence of PADs on the carrier-envelope phase of the single-cycle pulses. The inversion asymmetry is caused by the interference between transition channels where the different channels are characterized by different combinations of absorbed-photon numbers in the ionization process. Our results provide a possible method to determine the value of carrier-envelope phase by the detected PADs.
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Keywords:
32.80.Rm
42.65.Ky
12.20.Ds
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Published: 01 March 2004
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PACS: |
32.80.Rm
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(Multiphoton ionization and excitation to highly excited states)
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42.65.Ky
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(Frequency conversion; harmonic generation, including higher-order harmonic generation)
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12.20.Ds
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(Specific calculations)
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