Quantum electrodynamics (4857 bytes)
1: '''Quantum electrodynamics''' ('''QED''') is a [[quantum field theory]] of [[electromagnetism]]. QED descr...
7: ...nd its first successful implementation in quantum electrodynamics.
27: *[[Quantum field theory]]
29: *[[quantum gauge theory]]
35: *[[quantum chromodynamics]]

On the Electrodynamics of Moving Bodies (1265 bytes)
1: '''On the Electrodynamics of Moving Bodies''' is a paper published by [[Alb...
5: ...same for any frame of reference, to the laws of [[electrodynamics]] and [[optics]] as well as mechanics. In the sec...

Quantum well (1182 bytes)
1: A '''quantum well''' is a [[potential well]] that confines par...
3: ...g properties at low temperature, exhibiting the [[quantum Hall effect]].
7: Quantum wells are formed in semiconductors by having a ma...
11: ...ity of states]] than bulk materials. As a result quantum wells are in wide use in [[diode laser]]s. They a...

Quantum (1087 bytes)
1: A [[quantum]] is the smallest increment into which many physi...
3: ...ny familiar terms, but the theory built up into [[quantum field theory]] was the largest single step in the...
6: The word '''quantum''' comes from the [[Latin]] word for "how much?".
9: *[[Quantum mechanics]]
10: *[[Quantum state]]

Quantum turbulence (288 bytes)
3: '''Quantum Turbulence''' is the [[turbulence|turbulent]] flo...

Quantum chaos (3554 bytes)
1: '''Quantum chaos''' is an interdisciplinary branch of [[phys...
5: ...r applications. However, the classical limit of a quantum description may lead to a mechanical system with ...
7: ...eaving aside the issue of the [[duality (physics)|quantum-classical correspondence]] in systems whose class...
9: ...rge. This transition regime between classical and quantum systems is also called semiclassical physics.
11: ...ther phenomena show up in the time evolution of a quantum system, or in its response to various types of ex...

Quantum gate (3456 bytes)
1: ... gate]]s for conventional [[digital computer]]s. Quantum logic gates unlike classical logic gates are [[re...
3: ... one or two qubits. This means that as matrices, quantum gates can be described by 2 x 2 or 4 x 4 matrices...
5: ... logic]], which is a foundational formalism for [[quantum mechanics]] based on a modification of some of th...
57: ...s usually not included in the basic repertoire of quantum gates. It is mentioned here only to contrast it w...
61: * M. Nielsen and I. Chuang, ''Quantum Computation and Quantun Information'', cambridge...

Quantum Jump (1995 bytes)
1: :''See [[quantum leap]] for the concept in physics from which this...
5: '''Quantum Jump''' was a [[1970s]] [[United Kingdom|British]...
9: *''Quantum Jump'' (1976)
15: Quantum Jump's former frontman, Rupert Hine, became the s...
17: Quantum Jump's sound was a hybrid of Fusion, Funk and Jaz...

Quantum foam (1527 bytes)
1: [[John Wheeler]] derived the concept of the '''quantum foam''' in [[1955]]. It is also referred to as ''...
3: The ''quantum'' in ''quantum foam'' comes from [[quantum mechanics]], and the ''foam'' comes from the idea...
5: The importance of ''quantum foam'' is that it is thought to give rise to
8: ... in which gravity is an inhomogeneous flow of the quantum foam into matter. According to this theory, the s...
15: ...eler with Kenneth Ford. ''Geons, Black Holes, and Quantum Foam.'' 1995.

Saab Quantum (1591 bytes)
1: ...cle|two-stroke]] engine and suspension parts. The Quantum was first presented in [[1962]] and was only buil...
4: * Quantum I - only a rolling chassis (one built).
5: * Quantum II - with a water cooled, three cylinder 750 cc t...
6: * Quantum III - redesigned II, two built.
7: * Quantum IV - scaled down to one seat. Available as [[kit ...

Quantum solvent (1275 bytes)
1: Any [[superfluid]] can theoretically act as a '''quantum solvent'''. In practice, the only viable superflu...
3: ...to compensate for the higher mass entailed by the quantum solvation shell.
5: ...the obvious use in the field of [[spectroscopy]], quantum solvents could be used as tools in nanoscale chem...

Quantum hydrodynamics (590 bytes)
1: ...[second sound|second]] and [[third sound]], and [[quantum solvent]]s.
3: ...n star]]s. Many famous scientists have worked in quantum hydrodynamics, including [[Richard Feynman]], [[L...

Quantum Link (2137 bytes)
1: [[Image:Qlink-mainmenu.png|thumb|368px|right|Quantum Link main menu]]
2: ...to [[November 1]], [[1994]]. It was operated by [[Quantum Computer Services]] of [[Vienna, Virginia]], whic...

First Quantum Minerals (334 bytes)
1: '''First Quantum Minerals Ltd.''' is a [[Vancouver]], [[British Co...
4: * [http://www.first-quantum.com/ Official site]

Quantum state (3455 bytes)
1: ...]] (also called a ''[[wave function]]'' for some quantum mechanical systems) or a [[density matrix|density...
3: ...ations are many facets of a single object, the '''quantum state'''
5: ... consider the most useful quantum states of the [[quantum harmonic oscillator|harmonic oscillator]]:
11: ...uantum statistical mechanics]]. Below these three quantum states are represented on the vivid ''ladder'' of...
13: ...antum states]]<br>''Sketchy representation of the quantum states ([[fock state|Fock]], [[coherent state|coh...

Quantum mind (4736 bytes)
1: ...m mind''' theory is the belief that large-scale [[quantum coherence]] is necessary to understanding the [[m...
3: ...Pribram]], and [[Henry Stapp]]. The argument for quantum mind is the argument that [[classical mechanics]]...
7: ...ithin cells, which are much smaller and for which quantum effects could be significant. This was originally...
9: On the other hand, a system does not cease to be quantum because it is wet and noisy. And then, what was p...
11: ...llows quantum function. If all matter consists of quantum fields, as Dyson makes explicit in his ''Scientif...

Quantum vibration (610 bytes)
1: ...t results in a macroscopic mean state is known as quantum vibrations.
4: [[Category:Quantum mechanics]]

Quantum logic (21310 bytes)
1: ...e facts related to measurement and observation in quantum mechanics.
3: ... attributes the idea that anomalies associated to quantum measurements originate with anomalies in the logi...
11: ...t can be subsumed by it. The similarities of the quantum logic formalism to a system of [[deductive]] logi...
15: ...s book (also called ''Mathematical Foundations of Quantum Mechanics'') Mackey attempted to provide a set of...
29: In the Hilbert space formulation of quantum mechanics as presented by von Neumann, a physical...

Quantum electronics (867 bytes)
1: ...s an area of physics dealing with the effect of [[quantum mechanics]] on the behaviour of [[electron]]s in ...
3: ...physics]] is hardly ever been done without taking quantum mechanics into account, and it is usually always ...
5: ... the results of this field is mainly of use for [[quantum optics]], especially for that part of it that dr...
8: [[Category:Quantum mechanics]]
9: [[Category:Quantum electronics]]

Quantum optics (6213 bytes)
1: ...in [[physics]], dealing with the application of [[quantum mechanics]] to phenomena involving [[light]] and ...
3: == History of quantum optics ==
5: ...hence, one rather spoke of [[atom physics]] and [[quantum electronics]].
7: ...phasis on the properties of light, and the name ''quantum optics'' became customary.
9: ...into these soon proved very fruitful, interest in quantum optics rose. A clearer understanding of the [[sta...

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