A no-go theorem excludes Gamma in [0,d] for typical non-topological non-relativistic spherically symmetric solitons, with the same exclusion for barotropic fluid compact objects, ruling out natural soliton explanations for observed dark matter halo cores with Gamma ~1.7.
Su- perfluid Dark Matter,
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The n-particle gluon radiation spectrum in shockwave scattering is a generalized Susskind-Glogower squeezed coherent state, and multi-graviton radiation follows similarly via double copy, with feasible large squeezing parameters ~ln(n_bar) leading to enhanced quantum noise in gravitational wave sp
Using Jeans analysis of Leo II stellar kinematics, the paper constrains the fuzzy dark matter mass m_a and self-interaction parameter f_a, finding 95% CL lower limits on m_a in the (1-10)×10^{-22} eV range for |f_a^{-1}| ≲ 10^{-14} GeV^{-1}.
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A No-Go Theorem for the Mass-Radius Relation of Solitons
A no-go theorem excludes Gamma in [0,d] for typical non-topological non-relativistic spherically symmetric solitons, with the same exclusion for barotropic fluid compact objects, ruling out natural soliton explanations for observed dark matter halo cores with Gamma ~1.7.
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Squeezed-state radiation in shockwave scattering: QCD-Gravity double copy
The n-particle gluon radiation spectrum in shockwave scattering is a generalized Susskind-Glogower squeezed coherent state, and multi-graviton radiation follows similarly via double copy, with feasible large squeezing parameters ~ln(n_bar) leading to enhanced quantum noise in gravitational wave sp
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Constraints on Self-Interacting Fuzzy Dark Matter from the Stellar Kinematics of the Dwarf Galaxy Leo II
Using Jeans analysis of Leo II stellar kinematics, the paper constrains the fuzzy dark matter mass m_a and self-interaction parameter f_a, finding 95% CL lower limits on m_a in the (1-10)×10^{-22} eV range for |f_a^{-1}| ≲ 10^{-14} GeV^{-1}.