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Nuwan Yapa 2025-02-07 16:55:36 -05:00
parent 0c5b906e85
commit 5d9193e1a8
2 changed files with 13 additions and 7 deletions
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16
nucleons.jl
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@ -118,11 +118,9 @@ j_κ(κ::Int) = abs(κ) - 1/2
l_κ(κ::Int) = abs(κ) - (κ < 0) # since true = 1 and false = 0 l_κ(κ::Int) = abs(κ) - (κ < 0) # since true = 1 and false = 0
"Calculate scalar and vector densities of a nucleon species on [0,r_max] divided into (divs+1) points and returns them as vectors (ρ_s, ρ_v) where "Calculate scalar and vector densities of a nucleon species on [0,r_max] divided into (divs+1) points and returns them as vectors (ρ_s, ρ_v) where
the arrays κs, Es, occs tabulate the energies and occupation numbers corresponding to each κ,
the other parameters are defined above" the other parameters are defined above"
function calculateNucleonDensity(N, p, Φ0, W0, B0, A0, r_max, divs, E_min=0, E_max=(p ? M_p : M_n)) function calculateNucleonDensity(κs, Es, occs, p, Φ0, W0, B0, A0, r_max, divs, E_min=0, E_max=(p ? M_p : M_n))
κs, Es = findAllOrbitals(p, Φ0, W0, B0, A0, r_max, E_min, E_max)
occs = fillNucleons(N, κs, Es)
ρr2 = zeros(2, divs + 1) # ρ×r² values ρr2 = zeros(2, divs + 1) # ρ×r² values
for (κ, E, occ) in zip(κs, Es, occs) for (κ, E, occ) in zip(κs, Es, occs)
@ -139,4 +137,12 @@ function calculateNucleonDensity(N, p, Φ0, W0, B0, A0, r_max, divs, E_min=0, E_
ρ_v = ρ[1, :] + ρ[2, :] # g^2 + f^2 ρ_v = ρ[1, :] + ρ[2, :] # g^2 + f^2
return (ρ_s, ρ_v) return (ρ_s, ρ_v)
end end
"Solve the Dirac equation and calculate scalar and vector densities of a nucleon species where
the other parameters are defined above"
function solveNucleonDensity(N, p, Φ0, W0, B0, A0, r_max, divs, E_min=0, E_max=(p ? M_p : M_n))
κs, Es = findAllOrbitals(p, Φ0, W0, B0, A0, r_max, E_min, E_max)
occs = fillNucleons(N, κs, Es)
return calculateNucleonDensity(κs, Es, occs, p, Φ0, W0, B0, A0, r_max, divs, E_min, E_max)
end

4
test/Pb208_nucleon_dens.jl
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@ -24,12 +24,12 @@ divs = 400
rs = range(0, r_max, length=divs+1) rs = range(0, r_max, length=divs+1)
(ρ_sp, ρ_vp) = calculateNucleonDensity(N_p, true, S_interp, V_interp, R_interp, A_interp, r_max, divs, E_min, E_max) (ρ_sp, ρ_vp) = solveNucleonDensity(N_p, true, S_interp, V_interp, R_interp, A_interp, r_max, divs, E_min, E_max)
p_sp = plot(rs, ρ_sp, xlabel="r (fm)", label="ρₛₚ(r) calculated") p_sp = plot(rs, ρ_sp, xlabel="r (fm)", label="ρₛₚ(r) calculated")
p_vp = plot(rs, ρ_vp, xlabel="r (fm)", label="ρᵥₚ(r) calculated") p_vp = plot(rs, ρ_vp, xlabel="r (fm)", label="ρᵥₚ(r) calculated")
(ρ_sn, ρ_vn) = calculateNucleonDensity(N_n, false, S_interp, V_interp, R_interp, A_interp, r_max, divs, E_min, E_max) (ρ_sn, ρ_vn) = solveNucleonDensity(N_n, false, S_interp, V_interp, R_interp, A_interp, r_max, divs, E_min, E_max)
p_sn = plot(rs, ρ_sn, xlabel="r (fm)", label="ρₛₙ(r) calculated") p_sn = plot(rs, ρ_sn, xlabel="r (fm)", label="ρₛₙ(r) calculated")
p_vn = plot(rs, ρ_vn, xlabel="r (fm)", label="ρᵥₙ(r) calculated") p_vn = plot(rs, ρ_vn, xlabel="r (fm)", label="ρᵥₙ(r) calculated")