Reference Article

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Phase (matter)

A phase is a set of states of a macroscopic physical system that have relatively uniform chemical composition and physical properties (i.e. density, crystal structure, index of refraction, and so forth).

The most familiar examples of phases are solids, liquids, and gases.

Less familiar phases include: plasmas and quark-gluon plasmas;

Bose-Einstein condensates and fermionic condensates; strange matter; liquid crystals; superfluids and supersolids; and the paramagnetic and ferromagnetic phases of magnetic materials.

Note: This article excerpts material from the Wikipedia article "Phase (matter)", which is released under the GNU Free Documentation License.

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