
Quantum mechanics is the set of laws of physics which, to the best of our knowledge, provides a complete account of the microworld. One of its chap- ters, quantum electrodynamics (QED), is able to account for the quantal phenomena of relevance to daily life (electricity, light,...

Quantum mechanics is the set of laws of physics which, to the best of our knowledge, provides a complete account of the microworld. One of its chap- ters, quantum electrodynamics (QED), is able to account for the quantal phenomena of relevance to daily life (electricity, light,...