Difference between revisions of "Plasma"

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(well, at least one was coherent!)
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[[Image:Ytdu678uj.jpg|right|thumb|250px|A plasma lamp, illustrating some of the more complex phenomena of a plasma, including filamentation. The colors are a result of the relaxation of electrons in excited states to lower energy states after they have recombined with ions. These processes emit light in a spectrum characteristic of the gas being excited.]]
 
[[Image:Ytdu678uj.jpg|right|thumb|250px|A plasma lamp, illustrating some of the more complex phenomena of a plasma, including filamentation. The colors are a result of the relaxation of electrons in excited states to lower energy states after they have recombined with ions. These processes emit light in a spectrum characteristic of the gas being excited.]]
'''Plasma''' is a state of matter(akin to solid, liquid and gas) where the matter has become ionized, or the electrons stripped from the atoms. Therefore, a plasma consists of both negatively charged electrons, and positively charged ions.
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'''Plasma''' is a state of matter(akin to [[solid]], [[liquid]] and [[gas]]) where the matter has become ionized, or the [[electron]]s stripped from the atoms. Therefore, a plasma consists of both negatively charged electrons, and positively charged [[ion]]s.
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Like a gas, in a plasma the consituents are not physically constrained in position by each other, and will expand to fill the available space.
  
 
[[category:physics]]
 
[[category:physics]]

Revision as of 20:17, 27 April 2007

A plasma lamp, illustrating some of the more complex phenomena of a plasma, including filamentation. The colors are a result of the relaxation of electrons in excited states to lower energy states after they have recombined with ions. These processes emit light in a spectrum characteristic of the gas being excited.

Plasma is a state of matter(akin to solid, liquid and gas) where the matter has become ionized, or the electrons stripped from the atoms. Therefore, a plasma consists of both negatively charged electrons, and positively charged ions.

Like a gas, in a plasma the consituents are not physically constrained in position by each other, and will expand to fill the available space.