Self-Interacting Dark Matter Subhalos in the Milky Way’s Tides
Abstract
We study evolution of self-interacting dark matter subhalos in the Milky Way tidal field. The interaction between the subhalos and the Milky Way’s tides lead to more diverse dark matter distributions in the inner region, compared to their cold dark matter counterparts. As such, we test this scenario with two Milky Way satellite galaxies, Draco and Fornax, opposite extremes in the inner dark matter content, and find that they can be accommodated within the self-interacting dark matter model proposed to explain the diverse rotation curves of spiral galaxies in the field.
- Authors:
-
[1];
- Univ. of California, Riverside, CA (United States); Univ. of Texas, Austin, TX (United States)
- Univ. of California, Riverside, CA (United States)
- Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
- University of Iceland, Reykjavik (Iceland)
- Publication Date:
- Research Org.:
- Univ. of California, Riverside, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC); National Aeronautics and Space Administration (NASA); National Science Foundation (NSF); Hellman Fellow Foundation; Kavli Research Investment Fund; Icelandic Research Fund
- OSTI Identifier:
- 1801832
- Alternate Identifier(s):
- OSTI ID: 1632923
- Grant/Contract Number:
- SC0008541; NNX15AP99A; NSF PHY-1748958; NNX17AG29G; AST-1814053; AST-1814259; 173929-051; OAC-1548562; OAC-1341698; de-sc0008541
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review Letters
- Additional Journal Information:
- Journal Volume: 124; Journal Issue: 14; Journal ID: ISSN 0031-9007
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 79 ASTRONOMY AND ASTROPHYSICS; Physics
Citation Formats
Sameie, Omid, Yu, Hai-Bo, Sales, Laura V., Vogelsberger, Mark, and Zavala, Jesús. Self-Interacting Dark Matter Subhalos in the Milky Way’s Tides. United States: N. p., 2020.
Web. doi:10.1103/physrevlett.124.141102.
Sameie, Omid, Yu, Hai-Bo, Sales, Laura V., Vogelsberger, Mark, & Zavala, Jesús. Self-Interacting Dark Matter Subhalos in the Milky Way’s Tides. United States. https://doi.org/10.1103/physrevlett.124.141102
Sameie, Omid, Yu, Hai-Bo, Sales, Laura V., Vogelsberger, Mark, and Zavala, Jesús. Wed .
"Self-Interacting Dark Matter Subhalos in the Milky Way’s Tides". United States. https://doi.org/10.1103/physrevlett.124.141102. https://www.osti.gov/servlets/purl/1801832.
@article{osti_1801832,
title = {Self-Interacting Dark Matter Subhalos in the Milky Way’s Tides},
author = {Sameie, Omid and Yu, Hai-Bo and Sales, Laura V. and Vogelsberger, Mark and Zavala, Jesús},
abstractNote = {We study evolution of self-interacting dark matter subhalos in the Milky Way tidal field. The interaction between the subhalos and the Milky Way’s tides lead to more diverse dark matter distributions in the inner region, compared to their cold dark matter counterparts. As such, we test this scenario with two Milky Way satellite galaxies, Draco and Fornax, opposite extremes in the inner dark matter content, and find that they can be accommodated within the self-interacting dark matter model proposed to explain the diverse rotation curves of spiral galaxies in the field.},
doi = {10.1103/physrevlett.124.141102},
journal = {Physical Review Letters},
number = 14,
volume = 124,
place = {United States},
year = {Wed Apr 08 00:00:00 EDT 2020},
month = {Wed Apr 08 00:00:00 EDT 2020}
}
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