Quantum theory

Quantum theory may refer to:

Science

• Quantum mechanics, a major field of physics
• Old quantum theory, predating modern quantum mechanics
• Quantum field theory, an area of quantum mechanics that includes:
• Quantum electrodynamics
• Quantum chromodynamics
• Electroweak interaction
• Quantum gravity, a field of theoretical physics
• Quantum optics
• Quantum chemistry
• Quantum information
• ', a 1993 book by Asher Peres