- #1
kelly0303
- 579
- 33
Hello! I read several papers about using quantum information techniques in order to do precision spectroscopy on ions. Usually they trap 2 ions in a quadrupole trap and the 2 ions are coupled through their vibrational motion along the trap axis. However most of these results involve atomic ions. I saw some results with molecular ions such as CaH+ or MgH+, however they are trapped together with another atomic ion, and these 2 particular molecules have quite a simple structure and a large rotational spacing. I was wondering if with the current technology it is possible to apply the same techniques to more complex molecules (diatomic or polyatomics), or are there some big challenges in that case? In principle the coupling of the motion of the 2 ions shouldn't care about how complex they are. Also, would it be possible to do the same with 2 molecular ions, instead of a molecule and an atom? For example, I came across this cool paper in which they entangle 2 atomic ions and use that to measure their relative isotope shift with very high accuracy. Would it be possible, for example, to measure the isotope shift between 2 molecular ions by using the same techniques?
NOTE: In terms of challenges, I am curious about challenges specific to this approach, not to molecules in general (i.e. not issues that appear in normal laser spectroscopy such as producing the molecules of interests in the first place). Also I am not thinking about why it would be useful to apply these techniques, I am just curious if it is possible at all.
Thank you!
NOTE: In terms of challenges, I am curious about challenges specific to this approach, not to molecules in general (i.e. not issues that appear in normal laser spectroscopy such as producing the molecules of interests in the first place). Also I am not thinking about why it would be useful to apply these techniques, I am just curious if it is possible at all.
Thank you!