The Fournier group's recent manuscript on ultrafast transient IR spectroscopy of cryogenically cooled ions has been accepted by the Journal of Chemical Physics and will serve as the Journal's cover feature. Their featured article, titled Ultrafast transient vibrational action spectroscopy of cryogenically cooled ions, can be found here: https://pubs.aip.org/aip/jcp/article/159/4/041101/2903799/Ultrafast-transient-vibrational-action
Their work was also selected as Editor's Pick.