Jendrzejewski Group

Synthetic Quantum Systems in Atomic Mixtures

Our research mission is to achieve a deeper understanding and precise control of synthetic quantum systems.

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We are located at the Kirchhoff-Institute for Physics at Heidelberg University

Research

Our research is geared towards leveraging the potentials of atomic mixtures with the aim of developing novel quantum technologies such as quantum simulation, quantum computation, and quantum metrology.

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Direct control of high magnetic fields for cold atom experiments based on NV centers

In ultracold quantum gases, the interactions between the individual atoms can be controlled by applying magnetic bias fields. As …

Alexander Hesse, Kerim Köster, Jakob Steiner, Julia Michl, Vadim Vorobyov, Durga Dasari, Jörg Wrachtrup, Fred Jendrzejewski

Preprint PDF Cite Project

Stochastic dynamics of a few sodium atoms in a cold potassium cloud

We report on the stochastic dynamics of a few sodium atoms immersed in a cold potassium cloud. The studies are realized in a …

Rohit Prasad Bhatt, Jan Kilinc, Lilo Höcker, Fred Jendrzejewski

Preprint PDF Code Project

Scalable cold-atom quantum simulator for two-dimensional QED

We propose a scalable analog quantum simulator for quantum electrodynamics (QED) in two spatial dimensions. The setup for the U(1) …

Robert Ott, Torsten V. Zache, Fred Jendrzejewski, Jürgen Berges

Preprint

Constructing U(1) gauge symmetry in electronic circuits

Classical electronic circuits have proven powerful to study topological lattice structures. At the same time quantum simulators reach …

Hannes Riechert

PDF Code

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Teaching

We regularly teach in the physics courses.

Building synthetic quantum systems with photons, ions and neutral atoms

In this seminar series, we will will discuss fundamentals experiments of quantum mechanics.

Fred Jendrzejewski

Last updated on 2021-03-30

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Solving problems on quantum hardware

A one week workshop on quantum hardware together with IBMQ

Fred Jendrzejewski, Apoorva Hegde, Rohit Prasad Bhatt

Last updated on 2020-12-30

Advanced Atomic, Molecular and Optical Physics

A detailled introduction into the concepts beyond modern atomic, molecular and optical physics.

Fred Jendrzejewski

Last updated on 2021-01-14

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Technology

As an experimental research group we base our work on a number of research technologies.

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All Machines Components Software

NaLi machine

Atomic mixture of sodium and lithium

SoPa machine

Atomic mixture of sodium and potassium

Devices for labscript

Integration of a number of devices with labscript.

Code

Pennylane-ls

Pennylane plugin for labscript.

Code

Temperature control

Getting all the ovens etc stable.

Code

Transimpedance board

Stable voltage readout for photodiodes

Code

Meet the Team

Our group regularly has openings for motivated Postdocs as well as PhD, Master, and Bachelor students. If you are interested, please contact us.

Project topics include entanglement in quantum many-body systems, quantum simulation of lattice gauge theories and other many-body phenomena. For more information, see research.

Principal Investigators

Fred Jendrzejewski

Assistant Professor

Researchers

Jan Kilinc

PhD Student

Rohit Prasad Bhatt

PhD Student

Lilo Höcker

PhD Student

Apoorva Hegde

PhD Student

Andy Xia

PhD Student

Hannes Riechert

Hiwi

Ingrid M. Dippel

Hiwi

Noah Wach

Hiwi

Yannick Deller

Hiwi

Jolan Kerrien

Intern