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[en] We show that, by loading a Bose-Einstein condensate of two different atomic species into an optical lattice, it is possible to achieve a Mott-insulator phase with exactly one atom of each species per lattice site. A subsequent photoassociation leads to the formation of one heteronuclear molecule with a large electric dipole moment, at each lattice site. The melting of such a dipolar Mott insulator creates a dipolar superfluid, and eventually a dipolar molecular condensate
[en] The magnitude of an electric dipole moment must be larger or equal to a certain value to support bound states. Such critical dipole moment, pcrit, has been calculated in 2 and 3 dimensions and has been suggested that its calculation in one dimension cannot be possible. We evaluate pcrit in one dimension showing that the previous suggestion is untenable.
[en] The systematic error in experiments concerning searching for the electric dipole moment of an electron due to the Stark interference between the E1 and M1 amplitudes of the transition from the state to of a ThO molecule has been calculated. The calculations show that the error is about three orders of magnitude lower than the current limitation on the electric dipole moment of electron.
[en] Although a static charge is difficult to maintain on macroscopic particles, it is straightforward to construct a small object with a regularly oscillating electric dipole moment. For objects of a given size, one may then construct an accelerator by appropriately matching the frequency and separations of an external array of electrodes to this size. Physically feasible size ranges, an accelerator design, and possible applications of such systems are discussed. 8 refs., 9 figs