Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Correspondence between quasinormal modes and the shadow radius in a
  wormhole spacetime   In this paper we study the correspondence between the real part of
quasinormal modes (QNMs) and the shadow radius in a wormhole spacetime. Firstly
we consider the above correspondence in a static and spherically symmetric
wormhole spacetime and then explore this correspondence numerically by
considering different wormhole models having specific redshift functions. To
this end, we generalize this correspondence to the rotation wormhole spacetime
and calculate the typical shadow radius of the rotating wormhole when viewed
from the equatorial plane. We argue that due to the rotation and depending on
the specific model, the typical shadow radius can increase or decrease and a
reflecting point exists. Finally, we discuss whether a wormhole can mimic the
black hole due to it's shadow. In the light of the EHT data, we find the upper
and lower limits of the wormhole throat radius in the galactic center M87.

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The categories of this paper are: hep-th
12
The categories of this paper are: nucl-th
16
The categories of this paper are: stat
32
The categories of this paper are: atom-ph
29
The categories of this paper are: funct-an
36
The categories of this paper are: cmp-lg
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The categories of this paper are: nlin
28
The categories of this paper are: alg-geom
31
The categories of this paper are: ao-sci
14
The categories of this paper are: math-ph
10
The categories of this paper are: q-bio
2
The categories of this paper are: math
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The categories of this paper are: econ
27
The categories of this paper are: comp-gas
11
The categories of this paper are: hep-lat
33
The categories of this paper are: plasm-ph