Generalized Pippard Equations
- 15 August 1964
- journal article
- research article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 41 (4) , 1005-1008
- https://doi.org/10.1063/1.1725997
Abstract
The Pippard equations for α, CP, and βT near a λ‐point transition have been generalized in terms of stress—strain variables. The resulting equations, which interrelate αi, sijT, and CP near a λ point, are tested with data on quartz near its α—β transition. A consequence of the new equations is the prediction that C′=(c11–c12)/2 should be constant for cubic crystals near a λ point; this prediction is compared with experimental data on ammonium chloride.Keywords
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