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BergEC-jl
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Target one resonance

This commit is contained in:
Nuwan Yapa 2025-06-11 13:57:13 -04:00
parent 49678b4404
commit d480971eea
1 changed files with 14 additions and 5 deletions
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19
calculations/XZ_technique.jl
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@ -1,8 +1,11 @@
using Plots
include("../EC.jl") include("../EC.jl")
include("../ho_basis.jl") include("../ho_basis.jl")
include("../p_space.jl") include("../p_space.jl")
μω_gen = 0.5 * exp(-1im * 0.47 * pi) angle = 0.47 * pi
μω_gen = 0.5 * exp(-1im * angle)
μ = 0.5 μ = 0.5
l = 0 l = 0
V1 = -5 V1 = -5
@ -19,12 +22,18 @@ V = V1 .* V_Gaussian.(R1, l, ns, transpose(ns); μω_gen=μω_gen) + V2 .* V_Gau
n_EC = 8 n_EC = 8
train_cs = (0.7 .+ 0.05 * randn(n_EC)) - 1im * (0.2 .+ 0.05 * randn(n_EC)) train_cs = (0.7 .+ 0.05 * randn(n_EC)) - 1im * (0.2 .+ 0.05 * randn(n_EC))
target_cs = range(0.77, 0.22, 6) target_cs = [0.5]
near_E = 0.2 + 0.2im near_E = 0.2 + 0.2im
exact_E = [0.20845136860234303 - 0.07100640993695649im]
EC = affine_EC(T, V) EC = affine_EC(T, V; ensemble_size=32)
train!(EC, train_cs; ref_eval=near_E, CAEC=false) train!(EC, train_cs; ref_eval=near_E, CAEC=false)
extrapolate!(EC, target_cs) extrapolate!(EC, target_cs; precalculated_exact_E=exact_E)
plot(EC, "temp/XZ.pdf"; xlims=(-0.2,0.3), ylims=(-0.3,0.3)) plot(EC; xlims=(0,0.3), ylims=(-0.3,0.3))
hline!([0], color=:red, label="continuum")
xlabel!("Re(E)")
ylabel!("Im(E)")
plot!(legend=:bottomleft)
savefig("temp/XZ.pdf")