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2024.01.16_GUAN_package_learning/example_of_gauge_fixing.py

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+# 波函数规范的选取示例
+import numpy as np
+import cmath
+import guan
+
+# Fixed gauge example 1
+vector = np.array([np.sqrt(0.5), np.sqrt(0.5)])*cmath.exp(np.random.uniform(0, 1)*1j)
+print('\nExample 1\n', vector)
+print(np.dot(vector.transpose().conj(), vector), '\n')
+
+vector = guan.find_vector_with_fixed_gauge_by_making_one_component_real(vector)
+print(vector)
+print(np.dot(vector.transpose().conj(), vector), '\n')
+
+# Fixed gauge example 2
+vector = np.array([1, 0])*cmath.exp(np.random.uniform(0, 1)*1j)
+print('\nExample 2\n', vector)
+print(np.dot(vector.transpose().conj(), vector), '\n')
+
+vector = guan.find_vector_with_fixed_gauge_by_making_one_component_real(vector)
+print(vector)
+print(np.dot(vector.transpose().conj(), vector), '\n')