论文标题
Nambu-Goto与Polyakov Strings的共形对称性的作品
Opus on conformal symmetry of the Nambu-Goto versus Polyakov strings
论文作者
论文摘要
我研究了Nambu-Goto和Polyakov字符串，这是对度量张量的紧急行动中更高衍生的术语，这对于平滑指标在经典上可以忽略不计，但可以恢复量子。使用KPZ-DDK的共形场理论技术，我在单循环近似中计算了在两种情况下不同的共形维度和中央电荷，并告诉Nambu-Goto和Polyakov Strings分开。我使用Pauli-Villars正则化，通过一个循环的繁殖物和能量弹药张量的显式量子场理论计算确认结果。
I investigate the Nambu-Goto and Polyakov strings, accounting for higher-derivative terms in the emergent action for the metric tensor which are classically negligible for smooth metrics but revive quantumly. Using the conformal field theory technique by KPZ-DDK, I compute in the one-loop approximation the conformal dimension and the central charge which differs in the two cases, telling the Nambu-Goto and Polyakov strings apart. I confirm the results by explicit quantum field theory computations of the propagator and the energy-momentum tensor at one loop, using the Pauli-Villars regularization.
