Quantum theory

Quantum mechanics
$\Delta x \, \Delta p \ge \frac{\hbar}{2}$
Uncertainty principle
Introduction to... Mathematical formulation of...
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Quantum theory may mean:

In science:

Old quantum theory under the Bohr model
Quantum mechanics, an umbrella term sometimes for all of quantum physics, but sometimes for just non-relativistic theories
Quantum field theory, a generic type of relativistic quantum theory, which includes:
Quantum gravity, a general term for theories intended to quantize general relativity
Quantum optics

In popular culture:

"Quantum Theory", the final song from Jarvis, by Jarvis Cocker

Quantum mechanics is the study of mechanical systems whose dimensions are close to the Atomic scale such as Molecules Atoms Electrons In Quantum physics, the Heisenberg uncertainty principle states that locating a particle in a small region of space makes the Momentum of the particle uncertain Quantum mechanics (QM or quantum theory) is a physical science dealing with the behavior of Matter and Energy on the scale of Atoms The mathematical formulation of quantum mechanics is the body of mathematical formalisms which permits a rigorous description of Quantum mechanics. In Atomic physics, the Bohr model created by Niels Bohr depicts the Atom as a small positively charged nucleus surrounded by Electrons Quantum mechanics is the study of mechanical systems whose dimensions are close to the Atomic scale such as Molecules Atoms Electrons In quantum field theory (QFT the forces between particles are mediated by other particles Quantum electrodynamics ( QED) is a relativistic Quantum field theory of Electrodynamics. Quantum chromodynamics (abbreviated as QCD is a theory of the Strong interaction ( color force a Fundamental force describing the interactions of the In Particle physics, the electroweak interaction is the unified description of two of the four Fundamental interactions of nature Electromagnetism and the Quantum gravity is the field of Theoretical physics attempting to unify Quantum mechanics, which describes three of the fundamental forces of nature Quantum optics is a field of research in Physics, dealing with the application of Quantum mechanics to phenomena involving Light and its interactions Jarvis (also known as The Jarvis Cocker Record) is the debut solo album by Pulp vocalist and musician Jarvis Cocker, released in the UK Quantum mechanics (QM or quantum theory) is a physical science dealing with the behavior of Matter and Energy on the scale of Atoms Continuum theories or models explain variation as involving a gradual quantitative transition without abrupt changes or discontinuities

Dictionary

-noun

(physics) A theory developed in early 20th century, according to which nuclear and radiation phenomena can be explained by assuming that energy only occurs in discrete amounts called quanta. In current usage quantum theory may refer, in addition to the "old" quantum theory, to any or all of the following:

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Dictionary

quantum theory

-noun