This book introduces the quantum theory of gauge fields, emphasising four non-perturbative methods which have important applications: path integrals, lattice gauge theories, the 1/N expansion, and ...

Find out more about available formats and browse any associated online resources. This textbook offers a detailed and uniquely self-contained presentation of quantum and gauge field theories. Writing ...

In two parallel papers published simultaneously, they propose a novel perspective that suggests spacetime may remain classical and unaffected by quantum mechanics. This theory, as described in a ...