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This article has been reviewed according to Science X's editorial process and policies . Editors have highlighted the following attributes while ensuring the content's credibility: Add as preferred source Explanatory diagram for the research question—is quantum mechanics possible with only real numbers?—and results of the study. Credit: Pedro Barrios Hita, HHU Physicists from Heinrich Heine University Düsseldorf (HHU) have examined a fundamental property of quantum mechanics in collaboration with the German Aerospace Center (DLR).

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