相对论性扭曲费米子束的非衍射拓扑自旋纹理
Non-Diffractive Topological Spin Textures of Relativistic Twisted Fermion Beams
AI总结:
研究光学和声学中结构化光束的非衍射极化、自旋方向分布等特性在费米子中的等效情况,给出适用于相对论和非相对论运动学的狄拉克粒子LG解,证明非衍射自旋纹理的存在。
摘要:
在光学和声学的结构化光束中,已发现清晰衍射光束中的非衍射极化测量以及这些具有斯格明子行为的波核心中的自旋方向分布。我们在此研究费米子的这些等效情况,并表明在相应情况下,非衍射自旋纹理独立于自旋、统计或运动学(或结构化波的传播速度)而持续存在。作为研究的一部分,我们给出了适用于相对论和非相对论运动学的狄拉克粒子的LG解。
英文摘要:
In optics and acoustics, in structured beams, non-diffracting polarization measures in clearly diffracting beams, and spin direction distributions in the core of these waves that have Skyrmionic behavior have been found. We here study the equivalents of these for fermions and show that in corresponding circumstances the non-diffractive spin textures persist independently of spin, statistics, or kinematics (or propagation speed of the structured wave). As a part of the study, we present LG solutions for Dirac particles valid for both relativistic and non-relativistic kinematics.
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