Since the early 20th century, molecular beam research has led to many advances in physics and chemistry, from precision molecule metrology, over tests of fundamental symmetries, and molecular quantum optics to applied mass spectrometry. All such experiments share a common interest in isolating molecules in high vacuum to eliminate any perturbing environment and to be able to probe the particle’s response to tailored optical, electrical or magnetic fields. Here we propose a scheme to explore the properties of charge-reduced or neutral biopolymers and ways to detect them without the need for post-ionization.
We review the concept of matter-wave assisted molecule metrology and present the most recent experiments which exploit the capability of universal matter-wave interferometers to measure forces as small as 10-26 N via shifts of the interference fringes in the presence of well-controlled fields. This technique allows us to compare, in the same instrument, a variety of electronic and magnetic properties for a large range of atoms and molecules. We exemplify this here with precision measurements of the static polarizability of cesium atoms and the fullerenes C60 and C70 as well as dynamically-induced susceptibilities of tailored tripeptides. We also present measurements of magnetic properties such as the diamagnetic susceptibility of ground-state atoms and aromatic and non-aromatic hydrocarbons.
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