Coherent control of molecular rotation in superfluid helium

Alexander A. Milner, Ian MacPhail-Bartley, Katarina Preocanin +3

We experimentally demonstrate control of molecular rotation in bulk superfluid ${}^4\mathrm{He}$. Metastable helium dimers, ${\mathrm{He}}_2^{\ast }$, are rotationally excited by a periodic…