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Late time Cosmological Phase Transition and Galactic Halo as Bose-liquid

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arxiv hep-ph/9205208 v1 pith:BIMHP2NY submitted 1992-05-08 hep-ph astro-ph

Sang-Jin Sin This is my paper · ORCID
classification hep-phastro-ph
keywords rotationcosmologicalgalacticlatelikephasetimetransition
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abstract

We consider the ultra light pseudo Nambu-Goldstone boson appearing in the late time cosmological phase transition theories as a dark matter candidate. Since it is almost massless, its nature is more wave like than particle like. Hence we apply quantum mechanics to study how they form the galactic halos. Three predictions are made; (1)the mass profile $\rho\sim r^{-1.6}$, (2)there are ripple-like fine structures in rotation curve, (3) the rotation velocity times ripple's wave length is largely galaxy independent. We compare the rotation curves predicted by our theory with the data observed.

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Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Dark Matter-Independent Orbital Decay Bounds on Ultralight Bosons from OJ287

    hep-ph 2025-05 reject novelty 6.0 of 10

    OJ287 orbital timing excludes ultralight scalar bosons with masses around 0.85 to 2.2 x 10^-21 eV through superradiance-cloud dynamical friction, independent of dark matter assumptions.

  2. Bose-Einstein condensation in a rigidly rotating relativistic boson gas

    hep-ph 2024-11 conditional novelty 6.0 of 10

    In a slowly rotating ideal Bose gas, the BEC critical temperature scales as (density x angular velocity)^{2/5} in the nonrelativistic limit, and the heat capacity acquires a jump at the transition.

  3. Quantum corrections as a Bound for Detecting Self-Interacting Ultralight Dark Matter

    hep-ph 2026-07 conditional novelty 5.0 of 10

    Radiative stability of the SIULDM potential under Yukawa couplings to SM fermions yields upper bounds on y that already intersect the projected reach of optical and nuclear clocks.

  4. Chaotic behaviors of particles around the black hole with an anisotropic matter immersed in a magnetic field

    gr-qc 2026-07 unverdicted novelty 4.0 of 10

    Exact black hole solution with anisotropic matter and magnetic field shows the matter parameter reduces local chaos (Lyapunov exponent) while the magnetic field drives qualitative shifts in global chaos (Poincaré sections).

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