Photoassociation spectroscopy of weakly bound Rb287 molecules near the 5P1/2+5<

The influence of collision energy on magnetically tuned 6Li-6Li Feshbach resonance

“…For instance, the interaction between molecules and extern electric fields can be induced by electric dipole moment. [12] Due to these properties, cold and ultracold molecules have many profound applications in different aspects, [13] including molecular dynamics control, [14,15] high resolution spectroscopy and quantum control, [16,17] tests of fundamental physical laws, [18] quantum simulations and quantum simulators, [19] chemical reactions. [20,21] Cold and ultracold molecules also play important roles in a great variety of fundamental researches, such as chemistry physics, precision measurements, few-body and many-body physics.…”

Production of dual species Bose–Einstein condensates of 39K and 87Rb*

“…Since Bose-Einstein condensates (BECs) were firstly observed in alkali atoms, [1,2] the ultracold atomic gases have attracted much attention to study many interesting quantum phenomena, e.g., the BEC-BCS crossover, spin-orbit coupling, [3][4][5][6] Mott insulator in the optical lattice, [7][8][9] and ultracold chemistry. [10,11] Dual species ultracold gasses greatly expand the research area of this platform to study even more complex physical phenomena that are not accessible in a single component quantum gas, such as producing heteronuclear molecules with long dipole-dipole interaction, [15][16][17] creating polarons near quantum criticality, [18][19][20] and observation of collective dynamics of a mixture of Bose and Fermi superfluids. [21] To date, several dual Bose-Bose species have been cooled to BECs in experiments, including 23 Na-87 Rb, [22] 39 K-87 Rb, [23] 39 K- 23 Na, [24] 41 K- 87 Rb, [25,26] 88 Sr-87 Rb, 84 Sr-87 Rb, [27] Er-Dy, [28] and 133 Cs-87 Rb.…”