centrosymmetry

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centrosymmetry

[¦sen·trō′sim·ə·trē]
(physics)
Property of a body or system which is unchanged under space inversion through a specified point.
References in periodicals archive ?
If the unit response [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII] is centrosymmetric, then the projection vectors satisfy the following symmetry
Thus, given a nonsingular, centrosymmetric T + H Bezoutian B, our aim is to compute the Toeplitz and Hankel parameters {[a.
Weaver, Centrosymmetric (cross-symmetric) matrices, their basic properties, eigenvalues, and eigenvectors, Amer.
where we introduce passive gravitational mass operator of an electron to be proportional to its weight operator in a weak centrosymmetric gravitational field (2),
Centrosymmetric involutions appear in many different contexts.
Contributors describe their work in integral equation theories (including bridge functions and applications to classical fluids), the chemical environment of ionic liquids (including the links between liquid structure, dynamics and solvation), counter-ion condensation in nucleic acids, physiochemical applications of scanning electrochemical microscopy, certain shapes of centrosymmetric cyclic dimers involving weak hydrogen bonds, and time-resolved photoelectron spectroscopy of nonadiabatic dynamics in polyatomic molecules.
The molecules of the parent compound form centrosymmetric dimers through a self-complementary acid-acid hydrogenbond motif, rather than formation of the dominating C-H .
We believe this discovery of the importance of disorderprovides a sufficient condition for the triboluminescence of other centrosymmetric crystals,' the researchers conclude, "and that the triboluminescence of other fluorescent materials is excited by light generated by a gas discharge.
1, then the iterative solution is the generalized centrosymmetric solution.
Extinction symbol I1a1 is consistent with space groups 1a and 12/a, and in the case of DFQP, the molecule is centrosymmetric and the correct space group is 12/a.
Andrew, Solution of equations involving centrosymmetric matrices, Technometrics, 15(1973), 405-407.
In this series of experiments it was shown that the azide ions are linear and centrosymmetric and that their thermal vibrations could be treated as rigid body motions.