Bose-Einstein condensate in gases of rare atomic species

TL;DR

This paper reports the successful creation of Bose-Einstein condensates in rare atomic species, specifically $^{168}$Yb, demonstrating the potential for quantum gases of radioactive atoms and stable mixtures.

Contribution

First demonstration of Bose-Einstein condensation in a rare atomic species with low natural abundance, opening new avenues for quantum physics and precision measurements.

Findings

Achieved BEC of $^{168}$Yb despite low natural abundance

Formed stable binary mixture of $^{168}$Yb and $^{174}$Yb BECs

Encourages exploration of quantum gases of radioactive atoms

Abstract

We report on the successful extension of production of Bose-Einstein Condensate (BEC) to rare species. Despite its low natural abundance of 0.13%, $^{168}$Yb is directly evaporatively cooled down to BEC. Our successful demonstration encourages attempts to obtain quantum gases of radioactive atoms, which extends the possibility of quantum many-body physics and precision measurement. Moreover, a stable binary mixture of $^{168}$Yb BEC and $^{174}$Yb BEC is successfully formed.