近年来,激光离子加速成为国际研究热点。尽管如此,要产生能量高于100MeV的准单能质子束仍是一挑战。作为产生单能相对论离子的很有希望的途径,辐射压力加速已成为超强激光与纳米薄膜靶相互作用加速离子的主要机制之一。本工作建立了一解析相对论模型,以描述在超强激光与固体纳米薄膜等离子体相互作用过程中 In recent years, laser ion acceleration has become an international research hotspot. However, generating quasi-monoenergetic beams with energies higher than 100 MeV remains a challenge. As a promising way to generate single energy relativistic ions, accelerated radiation pressure has become one of the main mechanisms for accelerating the interaction of superlattice laser with nanostructured target. In this work, an analytical relativity model was established to describe the interaction between superlattice laser and solid nanofilm plasma