Numerical studies on pair production in ultra-intense laser interaction with a thin solid-foil

Yunxian TIAN (田云先); Xiaolin JIN (金晓林); Xiaoliang GU (谷晓梁); Weizhong YAN (颜卫忠); Jianqing LI (李建清); Bin LI (李斌)

doi:10.1088/2058-6272/aac42e

Plasma Science and Technology > 2018 > 20(8): 85002-085002. > DOI: 10.1088/2058-6272/aac42e

Yunxian TIAN (田云先), Xiaolin JIN (金晓林), Xiaoliang GU (谷晓梁), Weizhong YAN (颜卫忠), Jianqing LI (李建清), Bin LI (李斌). Numerical studies on pair production in ultra-intense laser interaction with a thin solid-foil[J]. Plasma Science and Technology, 2018, 20(8): 85002-085002. DOI: 10.1088/2058-6272/aac42e

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Numerical studies on pair production in ultra-intense laser interaction with a thin solid-foil

¹ National Key Laboratory of Science and Technology on Vacuum Electronics, School of Physical Electronics, University of Electronic Science and Technology of China, Chengdu 610054, People’s Republic of China
² Shanghai Aerospace Electronics Co., Ltd, China Academy of Aerospace Electronics Technology, Shanghai 201821, People’s Republic of China

Funds: This work was supported by Fundamental Research Funds for the Central Universities (Grant Nos. ZYGX2016J065 and ZYGX2016J066).

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Received Date: November 30, 2017

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Abstract

Abstract

A theoretical and numerical model of photon and electron–positron pair production in strong-field quantum electrodynamics (QED) is described. Two processes are contained in our QED theoretical model, one is photon emission in the interaction of ultra-intense laser with relativistic electron (or positron), and the other is pair production by a gamma-ray photon interacting with the laser field. This model has been included in a PIC/MCC simulation code named BUMBLEBEE 1D, which is used to simulate the laser plasma interaction. Using this code, the evolutions of electron–positron pair and gamma-ray photon production in ultra-intense laser interaction with aluminum foil target are simulated and analyzed. The simulation results revealed that more positrons are moved in the opposite direction to the incident direction of the laser under the charge separation field.
- QED,
- ultra-intense laser,
- gamma ray photon,
- electron–positron pair

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References (29)

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