quantum fluctuations

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• Quantum 1/f noise — is an intrinsic part of quantum mechanics. It comes from scattering of different particles of one another in solid state physics. Quantum 1/f noise is a source of Chaos in such systems.Other noise data sets1/f noise has also recently been… …   Wikipedia

• Quantum critical point — A quantum critical point is a special class of continuous phase transition that takes place at the absolute zero of temperature, typically in a material where the phase transition temperature has been driven to zero by the application of a… …   Wikipedia

• Quantum fluctuation — In quantum physics, a quantum fluctuation is the temporary change in the amount of energy in a point in space, arising from Werner Heisenberg s uncertainty principle.According to one formulation of the principle, energy and time can be related by …   Wikipedia

• Quantum phase transition — In physics, a quantum phase transition (QPT) is a phase transition between different quantum phases (phases of matter at zero temperature). Contrary to classical phase transitions, quantum phase transitions can only be accessed by varying a… …   Wikipedia

• Quantum amplifier — In physics, the term quantum amplifier may refer to any device, which use some non classical (quantum) effects for amplification of signal. In this sense, the active element of an optical laser can be considered as quantum amplifier.The weak… …   Wikipedia

• Quantum annealing — In mathematics and applications, quantum annealing (QA) is a general method for finding the global minimum of a given objective function over a given set of candidate solutions (the search space ), by a process analogous to quantum fluctuations.… …   Wikipedia

• Quantum mechanics — For a generally accessible and less technical introduction to the topic, see Introduction to quantum mechanics. Quantum mechanics …   Wikipedia

• Quantum noise — is uncertainty of some physical quantity due to its quantum origin.In the case of number of particles (photons or electrons), the quantum noise is also called shot noise. Most optical communications use amplitude modulation. In this case, the… …   Wikipedia

• quantum mechanics — quantum mechanical, adj. Physics. a theory of the mechanics of atoms, molecules, and other physical systems that are subject to the uncertainty principle. Abbr.: QM Cf. nonrelativistic quantum mechanics, relativistic quantum mechanics. [1920 25]… …   Universalium

• Quantum imaging — [ [http://www.iop.org/EJ/abstract/1464 4266/4/3/372 Quantum Imaging] , L A Lugiato et al 2002 J. Opt. B: Quantum Semiclass. Opt. 4 S176 S183.] , [ [http://www.informaworld.com/openurl?genre=issue issn=0950 0340 volume=53 issue=5 Special Issue on… …   Wikipedia

• Quantum foam — Quantum foam, also referred to as spacetime foam, is a concept in quantum mechanics, devised by John Wheeler in 1955. The foam is supposedly the foundations of the fabric of the universe, [cite web|url=http://ldolphin.org/qfoam.html|title=Quantum …   Wikipedia