New posts in String Theory

Inconsistency in the normal ordered Virasoro algebra

Quantum String action

If string theory is inconsistent with observations, why hasn't it been rejected yet?

What is the obstacle to writing down a String Theory that describes our universe?

Gauge invariance of Faddeev-Popov determinant in bosonic string theory

Why does a square root term make the quantisation of action difficult?

Polchinski String Theory p 105 Eq (3.6.18) Weyl Transformation of the Massless Vertex Operator

How can extra dimensions be small?

Path integral for fermion on circle

Worldline formulation of QFT