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Materials science
The the study of matter and their applications in various areas of science and engineering.
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rare earth ions
Materials science; Material physics
Ions of rare earth elements, viz. lanthanides (elements having atomic numbers 58 to 71) and actinides (elements having atomic numbers 90 to 103).
Bell J.S.
Materials science; Material physics
Irish physicist (1923-1998) noted for his statement of the Bell inequalities. See Bell's inequality.
undepleted pump approximation
Materials science; Material physics
It is common in non-linear optics for several beams to interact in a crystal, resulting in an exchange of energy from one beam to another. In many situations, one of the beams is ...
perpetual motion
Materials science; Material physics
It is possible to identify two general types of perpetual motion machines, both of which are disallowed by the laws of thermodynamics. In the first case, the continual motion of a ...
Wigner theorem
Materials science; Material physics
It predicts the conservation of electron-spin angular momentum.
space potential
Materials science; Material physics
It refers to the electric potential within a plasma in the absence of any probes. The space potential is typically more or less uniform outside of plasma sheath regions. The space ...
plasma potential
Materials science; Material physics
It refers to the electric potential within a plasma in the absence of any probes. The space potential is typically more or less uniform outside of plasma sheath regions. The space ...
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