非自主洛伦兹型激光场驱动下加速电子的混沌行为

IF 0.9 3区 物理与天体物理 Q3 PHYSICS, FLUIDS & PLASMAS
Amit Pratap Singh
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引用次数: 0

摘要

研究激光场驱动下带电粒子的混沌行为具有重要的潜力。超高强度电磁场产生的最新技术进步进一步增加了这一主题的相关性。在这项研究中,通过修改洛伦兹系统来考虑电磁场的影响,建立了一个数学模型。由此产生的系统,被称为洛伦兹型激光场(LTLF)系统,在三个洛伦兹参数中引入了随时间变化的变化。利用稳定性分析、李雅普诺夫指数、分岔图和引力盆地对非自治LTLF系统进行了动力学分析。从理论上研究了LTLF系统控制下的加速电子混沌动力学。这些发现揭示了丰富多样的行为,包括动态状态之间的转换、间歇性混沌、复杂的分岔序列和显著的吸引子变形。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Chaotic behavior of an accelerated electron driven by a non-autonomous Lorenz-Type Laser Field (LTLF)
There is significant potential for studying the chaotic behavior of charged particles driven by laser fields. Recent technological advancements in the generation of ultrahigh-intensity electromagnetic fields have further increased the relevance of this topic. In this study, a mathematical model was developed by modifying the Lorenz system to incorporate the effects of an electromagnetic field. The resulting system, referred to as the Lorenz-Type Laser Field (LTLF) system, introduces time-dependent variations in the three Lorenz parameters. A dynamical analysis of the non-autonomous LTLF system was conducted using stability analysis, Lyapunov exponents, bifurcation diagrams, and basins of attraction. The chaotic dynamics of accelerated electrons governed by the LTLF system were investigated theoretically. The findings reveal a rich variety of behaviors, including transitions between dynamical regimes, intermittent chaos, complex bifurcation sequences, and significant attractor deformations.
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来源期刊
High Energy Density Physics
High Energy Density Physics PHYSICS, FLUIDS & PLASMAS-
CiteScore
4.20
自引率
6.20%
发文量
13
审稿时长
6-12 weeks
期刊介绍: High Energy Density Physics is an international journal covering original experimental and related theoretical work studying the physics of matter and radiation under extreme conditions. ''High energy density'' is understood to be an energy density exceeding about 1011 J/m3. The editors and the publisher are committed to provide this fast-growing community with a dedicated high quality channel to distribute their original findings. Papers suitable for publication in this journal cover topics in both the warm and hot dense matter regimes, such as laboratory studies relevant to non-LTE kinetics at extreme conditions, planetary interiors, astrophysical phenomena, inertial fusion and includes studies of, for example, material properties and both stable and unstable hydrodynamics. Developments in associated theoretical areas, for example the modelling of strongly coupled, partially degenerate and relativistic plasmas, are also covered.
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