We are currently designing and building a new experimental apparatus to study Rydberg states of multi-valence electrons.
Using our strong experience from the ERBIUM and the RARE experiments, we will set up a similar apparatus exploiting a transversal cooling chamber, Zeeman-slower, and a main chamber with a 5-beam MOT. The main chamber will also feature a versatile electric-field control to provide precise control over the Rydberg atoms.
Rydberg states in multi-electron atoms
Rydberg atoms are well-known for their exaggerated properties, especially their strong long-range interaction due to their extremely large dipole moment. In recent years, tremendous progress has been made, in both experimental as well as theoretical work, in studying their properties and first applications for quantum simulation. However, most of these studies concentrate on single- or two-electron systems like alkali, alkaline-earth or alkaline-earth-like atomic species. We will extend the studies to a new class of atomic complexity by investigating the multi-electron atom erbium.
A full list of the T-REQS Lab Publications can be found here.
Interested in joining us? Check out here.
Lab news
Our review on the quantum many-body physics in ultracold magnetic lanthanides is now published in Nature Physics!
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We have produced our first ultracold atomic cloud of erbium atoms in our new T-REQS lab!
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Francesca has been awarded the Cardinal Innitzer Prize for Natural Sciences 2021 last weekend in Vienna for her outstanding achievements in the field of ultracold quantum gases. Her pioneering work with lathanoid atoms has been internationally groundbreaking in this field.
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Applications have now opened for the Introductory Course on Ultracold Quantum Gases 2022 winter school. This will take place in Innsbruck between the 9th and 11th February 2022.
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Welcome to Samuel, who has joined the T-Reqs team as PhD Student
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Our team has made first observations of Erbium Rydberg levels in a hot atomic beam. Using a spectroscopy technique called electromagnetically induced transparency (EIT) we have measured more than 550 highly excited states of Er166. Our results show how the unique properties of Erbium effect the Rydberg series and provide
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Lab Team
Francesca Ferlaino, Univ.-Prof. Dr.
Group Leader / PI
Manfred Mark, Dr.
Senior Scientist / Research Assistant
Arina Tashchilina, Dr.
Post-Doc
Daniel Schneider Grün
PhD Student (T-Reqs)
Riccardo Donofrio
PhD Student (T-Reqs)
Felix Borchers, BSc.
Masters Intern (T-Reqs)