quantum theory

• 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
• Quantum Theory: Concepts and Methods, a 1993 book by Asher Peres

• Quantum Theory (video game), a 2010 video game
• "Quantum Theory", a song on the Jarvis Cocker album Jarvis

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