theorem
proved
rs_mass_range_valid
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IndisputableMonolith.Physics.NeutronStarTOV on GitHub at line 107.
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104abbrev rs_mass_range_low : ℝ := 2.0
105abbrev rs_mass_range_high : ℝ := 2.5
106
107theorem rs_mass_range_valid : rs_mass_range_low < rs_mass_range_high := by norm_num
108
109/-- Observed masses are within the RS prediction interval. -/
110theorem psr_j0740_in_range : rs_mass_range_low ≤ 2.08 ∧ (2.08 : ℝ) ≤ rs_mass_range_high := by
111 constructor <;> norm_num [rs_mass_range_low, rs_mass_range_high]
112
113theorem psr_j0952_in_range : rs_mass_range_low ≤ 2.35 ∧ (2.35 : ℝ) ≤ rs_mass_range_high := by
114 constructor <;> norm_num [rs_mass_range_low, rs_mass_range_high]
115
116/-! ## Chandrasekhar vs. TOV -/
117
118/-- The Chandrasekhar limit for white dwarfs:
119 M_Ch = 1.44 M_sun (electron degeneracy pressure vs. gravity). -/
120def chandrasekhar_limit : ℝ := 1.44
121
122/-- The TOV limit exceeds the Chandrasekhar limit. -/
123theorem tov_exceeds_chandrasekhar :
124 chandrasekhar_limit < rs_mass_range_low := by
125 norm_num [chandrasekhar_limit, rs_mass_range_low]
126
127/-- NS are more compact than WDs: same mass budget requires stronger EOS. -/
128theorem neutron_star_requires_stronger_eos :
129 -- NS: fully relativistic (GR required), P_central ≫ P_WD
130 -- WD: semi-relativistic (SR + Newtonian gravity)
131 chandrasekhar_limit < rs_mass_range_low := tov_exceeds_chandrasekhar
132
133end TOV
134end Physics
135end IndisputableMonolith