Chose potential for new paper

ComplexScaling-FV.jl

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+include("Hamiltonian.jl")
+mode = cpu_tensor
+T = Float32 # single-precision mode
+
+using Plots
+
+V_gauss(r2) =
+    -10 * exp(-(sqrt(r2)) ^ 2)
+
+d = 3
+n = 2
+N = 32
+L = 16
+ϕ = pi/5
+
+s = system{T}(d, n, N, L)
+H = Hamiltonian{T}(s, V_gauss, ϕ, 0, mode)
+@time evals, _, info = eig(H, 20)
+
+print(info.numops, " operations")
+display(evals)
+
+scatter(real.(evals), imag.(evals); legend=false)
+xlabel!("Re E")
+ylabel!("Im E")
+xlims!(0, 0.5)
+ylims!(-0.5, 0)
+savefig("temp/ComplexScaling-FV.png")