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YbQuantumSim

Quantum simulation of novel many-body phenomena with Ytterbium atoms in optical lattices

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EC-Contrib. €

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Partnership

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Project "YbQuantumSim" data sheet

The following table provides information about the project.

Coordinator
MAX-PLANCK-GESELLSCHAFT ZUR FORDERUNG DER WISSENSCHAFTEN EV 

Organization address
address: HOFGARTENSTRASSE 8
city: MUENCHEN
postcode: 80539
website: n.a.

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Germany [DE]
 Project website https://www.quantum-munich.de/research/ytterbium-quantum-gases-in-optical-lattices/
 Total cost 159˙460 €
 EC max contribution 159˙460 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2014
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2015
 Duration (year-month-day) from 2015-07-01   to  2017-06-30

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    MAX-PLANCK-GESELLSCHAFT ZUR FORDERUNG DER WISSENSCHAFTEN EV DE (MUENCHEN) coordinator 159˙460.00

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 Project objective

This project proposes to explore multi-orbital physics with ensembles of ultracold fermionic Ytterbium atoms. Ensembles of ultracold atoms are well-understood quantum systems which are distinguished by a high degree of experimental control of their parameters. Such ensembles are very versatile, since the light fields and magnetic fields which define them can be tailored almost at will, while at the same time most imperfections such as lattice defects are not present. These attributes open the door to the investigation of a broad class of interesting quantum many-body model phenomena. By designing systems which are governed by the same Hamiltonian as those which apply to, for example, a specific condensed matter system, ultracold atoms can be used as flexible quantum simulators. The aim of this project is to study a system of Ytterbium atoms in state-dependent optical lattice potentials, specifically tailored for accessing many-body phenomena related to three aspects of quantum magnetism and electric conduction: (1) opening the field of Kondo physics and Kondo lattice physics for investigation with cold atoms, (2) enabling the implementation of SU(N) extended symmetry many-body systems, and (3) providing the possibility to implement artificial gauge fields with strong coupling. The experiment is specifically set up to for the requirements imposed by these goals. Ytterbium atoms are chosen for this due to their particular electronic structure enabling the use of internal states to implement the two-orbital structure necessary for Kondo physics, and specific optical lattice potentials are used for emulating the crystal. On the one hand, this will enable new insights into the phases and phase transitions of the Kondo lattice model. On the other hand it opens a possible new route to implementing quantum magnetism in optical lattices, a central topic of the field. In addition, the model can be extended to the fundamentally new, extended-symmetry SU(N) spin systems.

 Publications

year authors and title journal last update
List of publications.
2015 M. Höfer, L. Riegger, F. Scazza, C. Hofrichter, D. R. Fernandes, M. M. Parish, J. Levinsen, I. Bloch, S. Fölling
Observation of an Orbital Interaction-Induced Feshbach Resonance in Yb 173
published pages: , ISSN: 0031-9007, DOI: 10.1103/PhysRevLett.115.265302
Physical Review Letters 115/26 2019-07-24
2016 Christian Hofrichter, Luis Riegger, Francesco Scazza, Moritz Höfer, Diogo Rio Fernandes, Immanuel Bloch, Simon Fölling
Direct Probing of the Mott Crossover in the SU ( N ) Fermi-Hubbard Model
published pages: , ISSN: 2160-3308, DOI: 10.1103/PhysRevX.6.021030
Physical Review X 6/2 2019-07-24
2017 L. Riegger, N. Darkwah Oppong, M. Höfer, D. R. Fernandes, I. Bloch, S. Fölling
Localized magnetic moments with tunable spin exchange in a gas of ultracold fermions
published pages: , ISSN: , DOI:
arXiv arXiv:1708.03810 2019-07-24

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