Neutral-atom qubits in atom-molecular BEC
arxiv(2024)
Abstract
Recently, neutral atoms have emerged as a promising platform for quantum
computing, offering scalability. In this study, we showcase the realization of
atomic qubits in atom-molecular Bose-Einstein condensate, belonging to three
distinct classes. In the first case, the condensed molecules form a droplet
platform with a flat-top configuration, facilitating effective isolation from
both external environments and neighbouring molecules. The second atomic qubits
have wavefunctions in the “pulse" form, exhibiting power law behaviour,
whereas the third one has ground and excited state wavefunctions in their
respective composite forms, ^2β x and β xtanhβ
x. The localization of the qubits depends on the chemical potential, which is
governed by the photo association, providing effective control for qubit
manipulation. The relevant parameters, such as energy level separation, healing
length, and atom numbers, are found to be influenced by the non-linearity and
strength of photo associations governing the behaviour of macroscopic qubits
and molecular droplets.
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