Theoretical physics | Blog posts on theoretical physics.

Group Theory

Group Theory in a Nutshell by Anthony Zee

Why S+ and S− Are Conjugates of Each Other | page 415 | Posted: March 2026

Derivation of an object that transforms as a rank-3 antisymmetric tensor of SO(10) | page 416 | Posted: March 2026

Spinor Decomposition of (16+) x (16+) in SO(10) | page 417 | Posted: March 2026

Lorentz Tensors Restricted to the Rotation Subgroup | page ? | Posted: March 2026

Why a Unitary L Gives a Rotation | page 454 | Posted: March 2026

Lorentz Representation Restriction to SO(3) | page 455 | Posted: March 2026

Rotational Properties of Weyl Spinors | page 459 | Posted: March 2026

Derivation of Gamma 5 in the Weyl Basis | page 459 | Posted: March 2026


Quantum Field Theory


Paul Booker, UK. Last updated: March, 2026.