File:Hartree-Products vs Slater-Determinants.png
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editDescriptionHartree-Products vs Slater-Determinants.png |
English: Four contour plots illustrating the different behaviour of a 1-D Wavefunction of two electrons created from a Hartree-Product and a Slater-Determinant under exchange of the two electrons
Deutsch: Vier Konturplots die den Unterschied im Verhalten einer 1-D-Wellenfunktion für zwei Elektronen illustrieren, die als Hartree-Produkt oder als einer Slater-Determinante angesetzt wurde, wenn die beiden Elektronen vertauscht werden. |
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Source | Own work |
Author | Lpd-Lbr |
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Python 3.7.1
matplotlib 3.0.2
import numpy as np from matplotlib import pyplot as plt import math def gaussian(x, alpha): return math.exp(-alpha*x*x/2) gridpoints = np.arange(0, 100, 1) posr1 = 25 alpha1 = 0.01 posr2 = 75 alpha2 = 0.01 gamma = 1 HP1 = [[gaussian(r1 - posr1, alpha1)*gaussian(r2 - posr2, alpha2) for r1 in gridpoints] for r2 in gridpoints] HP2 = [[gaussian(r2 - posr1, alpha1)*gaussian(r1 - posr2, alpha2) for r1 in gridpoints] for r2 in gridpoints] SD1 = np.array(HP1) - np.array(HP2) SD2 = np.array(HP2) - np.array(HP1) %matplotlib inline fig, axs = plt.subplots(2, 2, figsize=(12, 12), gridspec_kw = {"wspace": 0.25, "hspace": 0.45}) for column in axs: for subplot in column: subplot.set_xticks([25,75]) subplot.set_xticklabels(["Atom 1", "Atom 2"], fontsize = 18) subplot.set_yticks([25,75]) subplot.set_yticklabels(["Atom 1", "Atom 2"], fontsize = 18, rotation = "vertical", verticalalignment = "center") subplot.set_xlabel("Position of Electron 1", fontsize = 20) subplot.set_ylabel("Position of Electron 2", fontsize = 20) axs[0,0].contour(gridpoints, gridpoints, HP1) axs[0,0].set_title("Hartree-Product", fontsize = 24) axs[1,0].contour(gridpoints, gridpoints, HP2) axs[1,0].set_title("Exchanged\nHartree-Product", fontsize = 24) axs[0,1].contour(gridpoints, gridpoints, SD1) axs[0,1].set_title("Slater-Determinant", fontsize = 24) axs[1,1].contour(gridpoints, gridpoints, SD2) axs[1,1].set_title("Exchanged\nSlater-Determinant", fontsize = 24) plt.show()
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current | 14:46, 29 October 2019 | ![]() | 735 × 739 (108 KB) | Lpd-Lbr (talk | contribs) | {{Information |description ={{en|1=Four contour plots illustrating the different behaviour of a 1-D Wavefunction of two electrons created from a Hartree-Product and a Slater-Determinant under exchange of the two electrons}} {{de|1=Vier Konturplots die den Unterschied im Verhalten einer 1-D-Wellenfunktion für zwei Elektronen illustrieren, die als Hartree-Produkt oder als einer Slater-Determinante angesetzt wurde, wenn die beiden Elektronen vertauscht werden.}} |date =2019-10-29 |sou... |
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