Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: QSO Formation under Coevolution of SMBH and Bulge   he formation and growth of supermassive black holes (SMBHs) physically linked
with bulges are considered. We focus on the radiation hydrodynamic process for
the growth of SMBH in the optically thick starburst phase, where radiation from
bulge stars drives the mass accretion on to a galactic center through radiation
drag effect. In the present scenario, the AGN luminosity-dominant phase (QSO
phase) is preceded by the host luminosity-dominat phase, which is called
``proto-QSO phase''. In this phase, there exists the massive dusty disks within
younger bulges. Also, the proto-QSO phase is anticipated by an optically-thick
ultraluminous infrared galaxy (ULIRG) phase. Furthermore, such radiation
hydrodynamic model has been also applied to disk galaxies. It turns out that
the mass of a SMBH primarily correlates with a bulge component even in a disk
galaxy. Thus, by analogy to proto-QSOs, the BH growing phase in disk galaxies
may have massive dusty disks within younger bulges.

34
The categories of this paper are: chem-ph
23
The categories of this paper are: solv-int
8
The categories of this paper are: hep-ex
1
The categories of this paper are: cs
20
The categories of this paper are: acc-phys
24
The categories of this paper are: dg-ga
15
The categories of this paper are: nucl-ex
5
The categories of this paper are: gr-qc
10
The categories of this paper are: q-bio
30
The categories of this paper are: q-alg
0
The categories of this paper are: hep-ph
32
The categories of this paper are: atom-ph
17
The categories of this paper are: q-fin
31
The categories of this paper are: ao-sci
35
The categories of this paper are: mtrl-th
25
The categories of this paper are: patt-sol