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   What is quantum physics?

   • Quantum mechanics is a fundamental theory in physics that describes the behavior of nature at and below the scale of atoms. : 1.1 It is the foundation of all quantum physics, which includes quantum chemistry, quantum field theory, quantum technology, and quantum information science .

   Quantum mechanics - Wikipedia

   en.wikipedia.org/wiki/Quantum_mechanics

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   What is quantum mechanics?

   • : 1.1 It is the foundation of all quantum physics, which includes quantum chemistry, quantum field theory, quantum technology, and quantum information science . Quantum mechanics can describe many systems that classical physics cannot.

   Quantum mechanics - Wikipedia

   en.wikipedia.org/wiki/Quantum_mechanics

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   When was quantum physics invented?

   • In the mid-1920s quantum mechanics was developed to become the standard formulation for atomic physics. In 1923, the French physicist Louis de Broglie put forward his theory of matter waves by stating that particles can exhibit wave characteristics and vice versa.

   Quantum mechanics - Wikipedia

   en.wikipedia.org/wiki/Quantum_mechanics

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   Is quantum mechanics a branch of Physics?

   • It is important to realize that quantum mechanics is a branch of physics and that the business of physics is to describe and account for the way the world—on both the large and the small scale—actually is and not how one imagines it or would like it to be. The study of quantum mechanics is rewarding for several reasons.

   Quantum mechanics | Definition, Development, & Equations

   www.britannica.com/science/quantum-mechanics-physics

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2. en.wikipedia.org › wiki › Quantum_mechanicsQuantum mechanics - Wikipedia

   en.wikipedia.org › wiki › Quantum_mechanics

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   Apr 12, 2024 · Quantum mechanics is a fundamental theory in physics that describes the behavior of nature at and below the scale of atoms.: 1.1 It is the foundation of all quantum physics, which includes quantum chemistry, quantum field theory, quantum technology, and quantum information science.

   • Introduction to Quantum Mechanics

     Quantum mechanics is the study of matter and its...

   • Wigner's Friend

     Eugene Wigner. Wigner's friend is a thought experiment in...

   • History of Quantum Mechanics

     10 of the most influential figures in the history of quantum...

   • Schrödinger Equation

     Attempts to combine quantum physics with special relativity...

   • Talk

     Quantum mechanics is a former featured article.Please see...

   • Quantum Chemistry

     Quantum chemistry, also called molecular quantum mechanics,...

   • Mathematical Formulation of Quantum Mechanics

     The mathematical formulations of quantum mechanics are those...

   • Quantum Entanglement

     Quantum entanglement is the phenomenon of a group of...

   • Quantum Harmonic Oscillator

     Some trajectories of a harmonic oscillator according to...

   • Uncertainty Principle

     Canonical commutation rule for position q and momentum p...

3. www.britannica.com › science › quantum-mechanics-physicsQuantum mechanics | Definition, Development, & Equations

   www.britannica.com › science › quantum-mechanics-physics

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   6 days ago · Quantum mechanics, science dealing with the behavior of matter and light on the atomic and subatomic scale. It attempts to describe and account for the properties of molecules and atoms and their constituents—electrons, protons, neutrons, and other more esoteric particles such as quarks and gluons.

4. en.wikipedia.org › wiki › Quantum_field_theoryQuantum field theory - Wikipedia

   en.wikipedia.org › wiki › Quantum_field_theory

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   1 day ago · In theoretical physics, quantum field theory (QFT) is a theoretical framework that combines classical field theory, special relativity, and quantum mechanics. [1] : xi QFT is used in particle physics to construct physical models of subatomic particles and in condensed matter physics to construct models of quasiparticles .

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6. brilliant.org › wiki › quantum-mechanicsQuantum Mechanics | Brilliant Math & Science Wiki

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   4 days ago · Quantum mechanics [QM] is a branch of physics which describes physical systems so that properties like the energy or angular momentum are discrete quantities that are multiples of a smallest unit or quantum. A famous physicist named Erwin Schrödinger made an example of quantum mechanics, often called Schrödinger's cat.

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7. www.nist.gov › blogs › taking-measureDemystifying Quantum: It’s Here, There and Everywhere

   www.nist.gov › blogs › taking-measure

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   Apr 10, 2024 · Quantum, often called quantum mechanics, deals with the granular and fuzzy nature of the universe and the physical behavior of its smallest particles. The idea of physical granularity is like your TV image. If you zoom in on the image, you will see it is made of individual pixels. The quantum world is similar.

8. www.nature.com › subjects › quantum-physicsQuantum physics - Latest research and news | Nature

   www.nature.com › subjects › quantum-physics

   Apr 10, 2024 · Quantum physics is the study of matter and energy at its most fundamental level. A central tenet of quantum physics is that energy comes in indivisible packets called quanta....