Advances in Basis Light-front Quantization

TL;DR

This paper discusses recent progress in Basis Light-front Quantization, a nonperturbative quantum field theory approach, focusing on applications to electron and positronium systems in QED and emphasizing renormalization techniques.

Contribution

It introduces advancements in applying Basis Light-front Quantization to QED systems, particularly in renormalization procedures, enhancing the method's accuracy and applicability.

Findings

Successful application to electron and positronium systems

Improved renormalization procedures for nonperturbative calculations

Enhanced understanding of bound states in quantum field theory

Abstract

Basis Light-front Quantization has been developed as a first-principles nonperturbative approach to quantum field theory. In this article we report our recent progress on the applications to the single electron and the positronium system in QED. We focus on the renormalization procedure in this method.