TY - JOUR

T1 - Thorne-Zytkow objects with mirror neutron star cores?

AU - Silagadze, Zurab K.

PY - 2024/6/14

Y1 - 2024/6/14

N2 - A Thorne-Zytkow object can be formed when a neutron star is absorbed by the envelope of its giant companion star, spirals toward the center of the giant star due to the drag from the surrounding envelope, and merges with the star's core. During in-spiral, dynamical friction is the main drag force acting on a neutron star inside the star envelope. However, dynamical friction is caused by the neutron star's gravitational interaction with its own gravitationally induced wake. Therefore, exactly, the same gravitational drag force will act on a mirror neutron star, and if a significant part of the dark matter is in the form of mirror matter, then we expect the formation of Thorne-Zytkow objects with a mirror neutron star inside. We explore the plausibility of the existence of such exotic Thorne-Zytkow objects.

AB - A Thorne-Zytkow object can be formed when a neutron star is absorbed by the envelope of its giant companion star, spirals toward the center of the giant star due to the drag from the surrounding envelope, and merges with the star's core. During in-spiral, dynamical friction is the main drag force acting on a neutron star inside the star envelope. However, dynamical friction is caused by the neutron star's gravitational interaction with its own gravitationally induced wake. Therefore, exactly, the same gravitational drag force will act on a mirror neutron star, and if a significant part of the dark matter is in the form of mirror matter, then we expect the formation of Thorne-Zytkow objects with a mirror neutron star inside. We explore the plausibility of the existence of such exotic Thorne-Zytkow objects.

KW - Thorne-Zytkow objects

KW - dark matter

KW - mirror matter

UR - https://www.scopus.com/record/display.uri?eid=2-s2.0-85196963110&origin=inward&txGid=54f7c908a111c67e15c1a4382ae377e5

UR - https://www.mendeley.com/catalogue/ab670187-b54e-3288-b52e-00dacb9bccc7/

U2 - 10.1142/S0217732324500883

DO - 10.1142/S0217732324500883

M3 - Article

VL - 39

JO - Modern Physics Letters A

JF - Modern Physics Letters A

SN - 0217-7323

IS - 17 N18

M1 - 2450088

ER -