Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Bridging the gap between protoplanetary and debris disks: separate
  evolution of millimeter and micrometer-sized dust   The connection between the nature of a protoplanetary disk and that of a
debris disk is not well understood. Dust evolution, planet formation, and disk
dissipation likely play a role in the processes involved. We aim to reconcile
both manifestations of dusty circumstellar disks through a study of optically
thin Class III disks and how they correlate to younger and older disks. In this
work, we collect literature and ALMA archival millimeter fluxes for 85 disks
(8%) of all Class III disks across nearby star-forming regions. We derive
millimeter-dust masses $M_{\text{dust}}$ and compare these with Class II and
debris disk samples in the context of excess infrared luminosity, accretion
rate, and age. The mean $M_{\text{dust}}$ of Class III disks is $0.29 \pm
0.19~M_{\oplus}$. We propose a new evolutionary scenario wherein radial drift
is very efficient for non-structured disks during the Class II phase resulting
in a rapid decrease of $M_{\text{dust}}$. However, we find long infrared
protoplanetary disk timescales of ${\sim}$8~Myr, which are consistent with
overall slow disk evolution. In structured disks, the presence of dust traps
allows for the formation of planetesimal belts at large radii, such as those
observed in debris disks. We propose therefore that the planetesimal belts in
debris disks are the result of dust traps in structured disks, whereas
protoplanetary disks without dust traps decrease in dust mass through radial
drift and are therefore undetectable as debris disks after the gas has
dissipated. These results provide a hypothesis for a novel view of disk
evolution.

27
The categories of this paper are: comp-gas
14
The categories of this paper are: math-ph
20
The categories of this paper are: acc-phys
12
The categories of this paper are: nucl-th
0
The categories of this paper are: hep-ph
21
The categories of this paper are: adap-org
4
The categories of this paper are: cond-mat
32
The categories of this paper are: atom-ph
30
The categories of this paper are: q-alg
17
The categories of this paper are: q-fin
36
The categories of this paper are: cmp-lg
9
The categories of this paper are: nlin
2
The categories of this paper are: math
8
The categories of this paper are: hep-ex
29
The categories of this paper are: funct-an
37
The categories of this paper are: supr-con