Vibrational stabilization of ultracold KRb molecules. A comparative study
Mamadou Ndong, Christiane P. Koch
TL;DR
This paper investigates vibrational stabilization of ultracold KRb molecules using shaped laser pulses optimized via control theory, analyzing the effects of molecular structure complexity on transfer efficiency.
Contribution
It introduces a comparative study employing optimal control theory to enhance vibrational transfer in KRb molecules, considering various molecular structure complexities.
Findings
Long-range potential effects influence transfer efficiency
Resonant spin-orbit coupling impacts vibrational stabilization
Singlet-triplet mixing affects control pulse effectiveness
Abstract
The transfer of weakly bound KRb molecules from levels just below the dissociation threshold into the vibrational ground state with shaped laser pulses is studied. Optimal control theory is employed to calculate the pulses. The complexity of modelling the molecular structure is successively increased in order to study the effects of the long-range behavior of the excited state potential, resonant spin-orbit coupling and singlet-triplet mixing.
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