Dark sector domain walls could explain the observed planes of satellites

Abstract

The observed `planes of satellites' around the Milky Way and other nearby galaxies are notoriously difficult to explain under the $\Lambda$CDM paradigm. Here, we propose an alternative solution: domain walls arising in theories with symmetry-breaking scalar fields coupled to matter. Because of the matter coupling, satellite galaxies experience fifth forces as they pass through domain walls, leading to a subset of satellites with orbits confined to the domain wall plane. We demonstrate this effect using simple simulations of a toy model comprising point-like satellites and an infinite domain wall, and explore the efficacy of various planarity metrics in detecting this effect. We believe this is the first potential `new physics' explanation for the observed planes of satellites which does not do away with dark matter.

arXiv commentUpdated to match version accepted by JCAP. All code and plotting scripts available at https://github.com/aneeshnaik/PoSDomainWalls

References in corpus (82)

• A Universal Density Profile from Hierarchical Clustering
• The Structure of Cold Dark Matter Halos
• The Aquarius Project: the subhalos of galactic halos
• The observed properties of dwarf galaxies in and around the Local Group
• Cold and Fuzzy Dark Matter
• Chameleon Cosmology
• Small-Scale Challenges to the $\Lambda$CDM Paradigm
• The mass distribution and gravitational potential of the Milky Way
• The Diversity and Similarity of Simulated Cold Dark Matter Halos
• How supernova feedback turns dark matter cusps into cores
• Observational and Theoretical Constraints on Singular Dark Matter Halos
• The Universal Stellar Mass-Stellar Metallicity Relation for Dwarf Galaxies
• Symmetron Fields: Screening Long-Range Forces Through Local Symmetry Restoration
• The Radial Acceleration Relation in Rotationally Supported Galaxies
• A Method for Measuring (Slopes of) the Mass Profiles of Dwarf Spheroidal Galaxies
• A Vast Thin Plane of Co-rotating Dwarf Galaxies Orbiting the Andromeda Galaxy
• The Baryonic Tully-Fisher Relation of Gas Rich Galaxies as a Test of LCDM and MOND
• High-resolution mass models of dwarf galaxies from LITTLE THINGS
• The great disk of Milky-Way satellites and cosmological sub-structures
• The VPOS: a vast polar structure of satellite galaxies, globular clusters and streams around the Milky Way
• ELVIS: Exploring the Local Volume in Simulations
• Tests of Chameleon Gravity
• The Anisotropic Distribution of Galactic Satellites
• A mass-dependent density profile for dark matter haloes including the influence of galaxy formation
• Symmetron Cosmology
• The Distribution of Satellite Galaxies: The Great Pancake
• There is No Missing Satellites Problem
• The dark matter crisis: falsification of the current standard model of cosmology
• A Unified Description of Screened Modified Gravity
• The spatial distribution of the Milky Way and Andromeda satellite galaxies
• A whirling plane of satellite galaxies around Centaurus A challenges cold dark matter cosmology
• Confirmation of Faint Dwarf Galaxies in the M81 Group
• Milky Way Satellite Census. I. The Observational Selection Function for Milky Way Satellites in DES Y3 and Pan-STARRS DR1
• The rotationally stabilized VPOS and predicted proper motions of the Milky Way satellite galaxies
• Co-orbiting satellite galaxy structures are still in conflict with the distribution of primordial dwarf galaxies
• The orbital poles of Milky Way satellite galaxies: a rotationally supported disc-of-satellites
• The Three-Dimensional Structure of the M31 Satellite System; Strong Evidence for an Inhomogeneous Distribution of Satellites
• The Baryon Cycle of Dwarf Galaxies: Dark, Bursty, Gas-Rich Polluters
• Two Planes of Satellites in the Centaurus A Group
• Dark Energy Condensation
• The Planes of Satellite Galaxies Problem, Suggested Solutions, and Open Questions
• The preferred direction of infalling satellite galaxies in the Local Group
• Planes of satellite galaxies and the cosmic web
• The vast thin plane of M31 co-rotating dwarfs: an additional fossil signature of the M31 merger and of its considerable impact in the whole Local Group
• The Anisotropic Distribution of M 31 Satellite Galaxies: A Polar Great Plane of Early-Type Companions
• The Caterpillar Project: A Large Suite of Milky Way Sized Halos
• The satellite distribution of M31
• Releasing scalar fields: cosmological simulations of scalar-tensor theories for gravity beyond the static approximation
• Velocity anti-correlation of diametrically opposed galaxy satellites in the low redshift universe
• A thousand shadows of Andromeda: rotating planes of satellites in the Millennium-II cosmological simulation
• Planes of satellite galaxies: when exceptions are the rule
• Discs of Satellites: the new dwarf spheroidals
• The Link between Galactic Satellite Orbits and Subhalo Accretion
• Dwarf-spheroidal satellites: are they of tidal origin?
• Testing Screened Modified Gravity
• The origin of the mass discrepancy-acceleration relation in $\Lambda$CDM
• The new Milky Way satellites: alignment with the VPOS and predictions for proper motions and velocity dispersions
• Λ CDM is Consistent with SPARC Radial Acceleration Relation
• Making Counter-Orbiting Tidal Debris: The Origin of the Milky Way Disc of Satellites
• The M101 group complex: new dwarf galaxy candidates and spatial structure
• Planes of satellites around Milky Way/M31-mass galaxies in the FIRE simulations and comparisons with the Local Group
• Reproducing properties of MW dSphs as descendants of DM-free TDGs
• Cosmological simulations of screened modified gravity out of the static approximation: effects on matter distribution
• MOND simulation suggests the origin of some peculiarities in the Local Group
• Does the dwarf galaxy system of the Milky Way originate from Andromeda?
• Birth, life and survival of Tidal Dwarf Galaxies
• Comparing the observable properties of dwarf galaxies on and off the Andromeda plane
• Testing the two planes of satellites in the Centaurus Group
• The Vast Polar Structure of the Milky Way Attains New Members
• Fifth forces, Higgs portals and broken scale invariance
• Eppur si muove: Positional and kinematic correlations of satellite pairs in the low Z universe
• Co-orbiting planes of sub-halos are similarly unlikely around paired and isolated hosts
• The alignment of SDSS satellites with the VPOS: effects of the survey footprint shape
• New bounds on macroscopic scalar-field topological defects from non-transient signatures due to environmental dependence and spatial variations of the fundamental constants
• Constraints on Chameleon f(R)-Gravity from Galaxy Rotation Curves of the SPARC Sample
• Domain walls coupled to matter: the symmetron example
• Radiative Screening of Fifth Forces
• Considerations on how to investigate planes of satellite galaxies
• How chameleons core dwarfs with cusps
• The potential role of NGC 205 in generating Andromeda's vast thin co-rotating plane of satellite galaxies
• Scalar field dark matter as an alternative explanation for the anisotropic distribution of satellite galaxies
• Detecting Domain Walls in Laboratory Experiments

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