Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Observation of generalized Kibble-Zurek mechanism across a first-order
  quantum phase transition in a spinor condensate   The Kibble-Zurek mechanism provides a unified theory to describe the
universal scaling laws in the dynamics when a system is driven through a
second-order quantum phase transition. However, for first-order quantum phase
transitions, the Kibble-Zurek mechanism is usually not applicable. Here, we
experimentally demonstrate and theoretically analyze a power-law scaling in the
dynamics of a spin-1 condensate across a first-order quantum phase transition
when a system is slowly driven from a polar phase to an antiferromagnetic
phase. We show that this power-law scaling can be described by a generalized
Kibble-Zurek mechanism. Furthermore, by experimentally measuring the spin
population, we show the power-law scaling of the temporal onset of spin
excitations with respect to the quench rate, which agrees well with our
numerical simulation results. Our results open the door for further exploring
the generalized Kibble-Zurek mechanism to understand the dynamics across
first-order quantum phase transitions.

20
The categories of this paper are: acc-phys
3
The categories of this paper are: physics
19
The categories of this paper are: eess
25
The categories of this paper are: patt-sol
11
The categories of this paper are: hep-lat
21
The categories of this paper are: adap-org
8
The categories of this paper are: hep-ex
36
The categories of this paper are: cmp-lg
27
The categories of this paper are: comp-gas
12
The categories of this paper are: nucl-th
29
The categories of this paper are: funct-an
24
The categories of this paper are: dg-ga
5
The categories of this paper are: gr-qc
30
The categories of this paper are: q-alg
28
The categories of this paper are: alg-geom
34
The categories of this paper are: chem-ph