Volume 118, Number 6, June 2017
|Number of page(s)||7|
|Section||Condensed Matter: Structural, Mechanical and Thermal Properties|
|Published online||23 August 2017|
Electric dipoles vs. magnetic dipoles —For two molecules in a harmonic trap
Center for Theoretical Physics, Polish Academy of Sciences - Al. Lotników 32/46, 02-668 Warsaw, Poland
Received: 13 March 2017
Accepted: 26 July 2017
We study energy levels of two heteronuclear molecules moving in a spherically symmetric harmonic trap. A role of electric dipole interactions is compared and contrasted with our earlier results (Ołdziejewski R. et al., EPL, 114 (2016) 46003) for two magnetic dipolar atoms. We stress the importance of a rotational energy with its value which is very high compared to the energy of a dipolar interaction. We show that dipolar forces do not play a significant role in the ground state of the system under typical experimental conditions. However, there exist excited states that exhibit anticrossings similar to the ones observed for magnetic dipoles.
PACS: 67.85.-d – Ultracold gases, trapped gases / 03.75.-b – Matter waves
© EPLA, 2017
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