Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2002-05-07
Physics
Condensed Matter
Strongly Correlated Electrons
13 pages, 6 figures
Scientific paper
10.1103/PhysRevA.66.032111
The electric dipole moment (EDM) of a particle violates both time reversal (T) and space reflection (P) symmetries. There have been recent suggestions for searches of the electron EDM using solid state experiments [1,2]. These experiments could improve the sensitivity compared to present atomic and molecular experiments by several orders of magnitude. In the present paper we calculate the expected effect. We also suggest that this kind of experiment is sensitive to T,P-violation in nuclear forces and calculate effects caused by the nuclear Schiff moment. The compounds under consideration contain magnetic Gd$^{3+}$ ions and oxygen O$^{2-}$ ions. We demonstrate that the main mechanism for the T,P-odd effects is related to the penetration of the Oxygen 2p-electrons to the Gd core. All the effects are related to the deformation of the crystal lattice.
Cadogan J. M.
Dzuba V. A.
Kuenzi S. A.
Sushkov Oleg P.
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