Quantum Field Theory of Many-Body Systems: From the Origin of Sound to an Origin of Light and Electrons/fr-ca/quantum-field-theory-of-many-body-systems-from-the-origin-of-sound-to-an-origin-of-light-and-electrons/690B2939-56A4-4301-9E08-704091FA46E2.html690B2939-56A4-4301-9E08-704091FA46E2
Quantum Field Theory of Many-Body Systems: From the Origin of Sound to an Origin of Light and Electrons