Researchers Achieve Breakthrough in Imaging 3D Quantum Wavefunctions
Physicists at the University of Göttingen have successfully imaged the three-dimensional wavefunction of a nanometer-sized organic molecule using a tabletop soft X-ray laser. This achievement marks a significant advancement in quantum mechanics, as wavefunctions describe the probabilities of properties such as position and momentum of electrons within molecules. The researchers employed photoelectron spectroscopy, an indirect technique, to measure the momentum of electrons emitted from a molecule, revealing one half of the wavefunction. Advanced computer algorithms then reconstructed the missing half, producing a complete image of the molecular orbital. This method resolves features smaller than the spacing between carbon atoms, offering a powerful view of molecular behavior.