Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Observation of Microwave Shielding of Ultracold Molecules   Harnessing the potential wide-ranging quantum science applications of
molecules will require control of their interactions. Here, we use microwave
radiation to directly engineer and tune the interaction potentials between
ultracold calcium monofluoride (CaF) molecules. By merging two optical
tweezers, each containing a single molecule, we probe collisions in three
dimensions. The correct combination of microwave frequency and power creates an
effective repulsive shield, which suppresses the inelastic loss rate by a
factor of six, in agreement with theoretical calculations. The demonstrated
microwave shielding shows a general route to the creation of long-lived, dense
samples of ultracold molecules and evaporative cooling.

26
The categories of this paper are: bayes-an
6
The categories of this paper are: astro-ph
17
The categories of this paper are: q-fin
2
The categories of this paper are: math
36
The categories of this paper are: cmp-lg
31
The categories of this paper are: ao-sci
13
The categories of this paper are: quant-ph
19
The categories of this paper are: eess
8
The categories of this paper are: hep-ex
9
The categories of this paper are: nlin
28
The categories of this paper are: alg-geom
24
The categories of this paper are: dg-ga
35
The categories of this paper are: mtrl-th
23
The categories of this paper are: solv-int
37
The categories of this paper are: supr-con
30
The categories of this paper are: q-alg