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Anapole moment of a chiral molecule revisited
Parity violation in a chiral, four-atom molecule is discussed. Given the
geometrical positions of the four atoms, we calculate the anapole moment of it.
This problem was first discussed by Khriplovich and Pospelov. We give a
detailed derivation for it so that it can be more accessible to wider range of
scientists. We correct errors in their results and generalize their initial
state to |s_{1/2}\rangle and |p_{1/2}\rangle states. We also discuss realistic
candidates of the chiral molecules to which this approach can be applied.Comment: 21 pages, 2 figures. v2: Appendix added, references added, typos
corrected, version to appear in Eur. Phys. J.
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