Symplectic structure for the non-Abelian geometric phase

Mathematical Structure of the Geometric Phase II: The Non-Abelian Phase

Symplectic structure of the Aharonov-Anandan geometric phase

A Non-Abelian Geometric Phase for Spin Systems

Non-adiabatic non-abelian geometric phase

Adiabatic Evolution and Geometric Phases in a non-Abelian non-Hermitian system

Mathematical Structure of the Geometric Phase I: The Abelian Phase