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Qu'est-ce (qui) est quantum-mechanical amplifier - définition
WIKIMEDIA LIST ARTICLE
List of quantum mechanical potentials; Quantum mechanical potentials
Quantum mechanics
![resonant frequencies]] in acoustics.)](https://commons.wikimedia.org/wiki/Special:FilePath/Atomic-orbital-clouds spd m0.png?width=200 "resonant frequencies]] in acoustics.)")
![Position space probability density of a Gaussian [[wave packet]] moving in one dimension in free space](https://commons.wikimedia.org/wiki/Special:FilePath/Guassian Dispersion.gif?width=200 "Position space probability density of a Gaussian [[wave packet]] moving in one dimension in free space")
![[[Max Planck]] is considered the father of the quantum theory.](https://commons.wikimedia.org/wiki/Special:FilePath/Max Planck (1858-1947).jpg?width=200 "[[Max Planck]] is considered the father of the quantum theory.")
![spring]]) in [[classical mechanics]] (A-B) and quantum mechanics (C-H). In quantum mechanics, the position of the ball is represented by a [[wave]] (called the [[wave function]]), with the [[real part]] shown in blue and the [[imaginary part]] shown in red. Some of the trajectories (such as C, D, E, and F) are [[standing wave]]s (or "[[stationary state]]s"). Each standing-wave frequency is proportional to a possible [[energy level]] of the oscillator. This "energy quantization" does not occur in classical physics, where the oscillator can have ''any'' energy.](https://commons.wikimedia.org/wiki/Special:FilePath/QuantumHarmonicOscillatorAnimation.gif?width=200 "spring]]) in [[classical mechanics]] (A-B) and quantum mechanics (C-H). In quantum mechanics, the position of the ball is represented by a [[wave]] (called the [[wave function]]), with the [[real part]] shown in blue and the [[imaginary part]] shown in red. Some of the trajectories (such as C, D, E, and F) are [[standing wave]]s (or \"[[stationary state]]s\"). Each standing-wave frequency is proportional to a possible [[energy level]] of the oscillator. This \"energy quantization\" does not occur in classical physics, where the oscillator can have ''any'' energy.")
![The 1927 [[Solvay Conference]] in [[Brussels]] was the fifth world physics conference.](https://commons.wikimedia.org/wiki/Special:FilePath/Solvay conference 1927.jpg?width=200 "The 1927 [[Solvay Conference]] in [[Brussels]] was the fifth world physics conference.")
FUNDAMENTAL THEORY IN PHYSICS DESCRIBING THE PROPERTIES OF NATURE ON AN ATOMIC SCALE
Quantum Mechanics; Quantum mechanic; Quantum Physics; Quantum mechanical; Quantum system; Quantum-mechanical; Modern quantum mechanical; Quantum-mechanic; Quantum theory of matter; Classical Quantum Mechanics; Quantum mechanical laws; Nonrelativistic quantum theory; The Quantum Theory; Quantum mechanical properties; Quantum mechanical model; Quantum Mechanical Laws; Quantum realm; Quantum mechenics; Quantam physics; Quantum laws; Quantum dislocation; Quantum mechanical physics; Quantic mechanics; Quantum hypothesis; Quantum physicist; Quantum effects; Quantum physical; Quantum scale; Quantum energy states; Quantum systems; Quantum-scale; Free particle (quantum physics); Quantum physics; Draft:Geoffrey Habar; Draft:Theorem of Habar; Quantum world
Quantum mechanics is a fundamental theory in physics that provides a description of the physical properties of nature at the scale of atoms and subatomic particles. It is the foundation of all quantum physics including quantum chemistry, quantum field theory, quantum technology, and quantum information science.
quantum mechanics
FUNDAMENTAL THEORY IN PHYSICS DESCRIBING THE PROPERTIES OF NATURE ON AN ATOMIC SCALE
Quantum Mechanics; Quantum mechanic; Quantum Physics; Quantum mechanical; Quantum system; Quantum-mechanical; Modern quantum mechanical; Quantum-mechanic; Quantum theory of matter; Classical Quantum Mechanics; Quantum mechanical laws; Nonrelativistic quantum theory; The Quantum Theory; Quantum mechanical properties; Quantum mechanical model; Quantum Mechanical Laws; Quantum realm; Quantum mechenics; Quantam physics; Quantum laws; Quantum dislocation; Quantum mechanical physics; Quantic mechanics; Quantum hypothesis; Quantum physicist; Quantum effects; Quantum physical; Quantum scale; Quantum energy states; Quantum systems; Quantum-scale; Free particle (quantum physics); Quantum physics; Draft:Geoffrey Habar; Draft:Theorem of Habar; Quantum world
¦ plural noun [treated as sing.] the mathematical description of the motion and interaction of subatomic particles in terms of quanta, incorporating the idea that particles can also be regarded as waves.
Derivatives
quantum-mechanical adjective
Audio power amplifier
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![McIntosh]] MC240 from 1961 with exposed vacuum tubes](https://commons.wikimedia.org/wiki/Special:FilePath/Mcintosh-MC240-glow.jpg?width=200 "McIntosh]] MC240 from 1961 with exposed vacuum tubes")
 FIIO Fujiyama for smartphone etc. headphones.jpg?width=200 "ul=g}}, power output ca. 0.1 W into a 32 Ohm load.")
![Five rack-mounted audio power amplifiers used in a [[sound reinforcement system]].](https://commons.wikimedia.org/wiki/Special:FilePath/Professional PA power amps from Crest Audio and QSC with control modules in rack.jpg?width=200 "Five rack-mounted audio power amplifiers used in a [[sound reinforcement system]].")
![Pyle]] two-channel power amplifier](https://commons.wikimedia.org/wiki/Special:FilePath/Pyle Power Amplifier.jpg?width=200 "Pyle]] two-channel power amplifier")
![Rear panel of a medium-sized [[sound reinforcement system]] located at one side of the stage at a pop concert. The setup includes the [[mixing console]] for the [[sound engineer]] (standing behind) and the power amplifiers which are partly stacked in a 19-inch rack on the right.](https://commons.wikimedia.org/wiki/Special:FilePath/Rear panel of mixing console and amplifiers at concert of band 'Dead Can Dance' in Barcelona, May 2022.jpg?width=200 "Rear panel of a medium-sized [[sound reinforcement system]] located at one side of the stage at a pop concert. The setup includes the [[mixing console]] for the [[sound engineer]] (standing behind) and the power amplifiers which are partly stacked in a 19-inch rack on the right.")
AUDIO AMPLIFIER THAT REACHES POWER OUTPUT SUFFICIENT TO CONTROL A LOUDSPEAKER
Power amplifier; Audio Amplifier; Amplifier Home Audio; Audio amplifier; Amplification (audio); Power amplifiers; Power amplifer; Power amp; Amplification device
An audio power amplifier (or power amp) is an electronic amplifier that amplifies low-power electronic audio signals, such as the signal from a radio receiver or an electric guitar pickup, to a level that is high enough for driving loudspeakers or headphones. Audio power amplifiers are found in all manner of sound systems including sound reinforcement, public address and home audio systems and musical instrument amplifiers like guitar amplifiers.
Wikipédia
List of quantum-mechanical potentials
This is a list of potential energy functions that are frequently used in quantum mechanics and have any meaning.
