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Topic: Decoupling


In the News (Sun 27 Dec 09)

  
  Encyclopedia: Decoupling
In physics, decoupling is the general phenomenon in which the interactions between some physical objects (such as elementary particles) disappear.
Consequently, their interactions with other (physical) particles must be equal to zero, and quantum electrodynamics confirms this expectation: decoupling is a consequence of gauge symmetry.
In cosmology, the term "decoupling" is often used for the moment of recombination when electrons became bound to atomic nuclei, producing Cosmic Microwave Background as we know it.
www.nationmaster.com /encyclopedia/Decoupling   (487 words)

  
 Decoupling -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: 2007-08-10)
The experiments as well as theoretical (The property of holding together and retaining its shape) consistency dictates that these polarizations cannot be produced by collisions of other particles.
Consequently, their interactions with other (physical) particles must be equal to zero, and (A relativistic quantum theory of the electromagnetic interactions of photons and electrons and muons) quantum electrodynamics confirms this expectation: decoupling is a consequence of (additional info and facts about gauge symmetry) gauge symmetry.
In Inventory Management, "decoupling" allows economy of scale within a single facility and permits each process to operate at maximum efficiency rather than having the speed of the entire process constrained by the slowest.
www.absoluteastronomy.com /encyclopedia/d/de/decoupling.htm   (117 words)

  
 Consider the source: The evolution of adaptations for decoupling and metarepresentation
decouple the aspects of the organizational domain that are irrelevant or noncongruent from being processed by the adaptation as true or relevant for its development (e.g., although my father chases me, my father is not a predator with respect to me).
The goal S-representation is decoupled from semantic memory, tagged with a source, attitude, and time scope, suspends truth relations for the goal content (but not reference), and has a ground and subordinate level such that inferences are applied to only one level at a time.
The purpose of decoupling is to allow one to represent false beliefs, fictions, and not-yet-existing states of affairs separately from the database of true propositions stored in semantic memory.
www.psych.ucsb.edu /research/cep/metarep.html   (19032 words)

  
 Science: Physics: Cosmology Problems Big Bang - Open Site
According to Big Bang theorists, the "decoupling era", from whence MBR is said to have originated, may have lasted at least several hundred thousand years.
Smearing of a fl body spectrum from the decoupling would also result if the shape of the Big Bang universe were less than perfectly spherical during that period.
If MBR from the decoupling had caused thermal equalization (thermalization) of the matter of the space that surrounds us, as other theorists have suggested, and that matter were quite remote, the large irregularities of galactic formations might be expected to cause fairly large directional variations of the MBR.
open-site.org /Science/Physics/Cosmology_Problems_Big_Bang   (4771 words)

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