5th Institute of Physics
 
 
 
 

Collaborations

SFB/TRR 21 CO.CO.MAT - Common perspectives of mesoscopic systems and quantum gases

Quantum matter offers a rich variety of physical phenomena such as superfluidity, superconductivity and anomalous transport in low-dimensional electron systems. On the other hand, our understanding of the physical properties of nano- and mesoscopic quantum matter and quantum devices is limited. This is mostly due to the fact that these properties are governed by strong correlations and quantum effects, which are often difficult to treat in a complex environment. Therefore, systems that provide well defined geometries and dynamical control parameters are well suited to push our understanding of quantum matter. Our joint effort of quantum opticians and solid state physicists aims towards extending and exploiting the present ability to control and engineer many-body quantum systems by linking the common underlying physics in mesoscopic systems and quantum gases.

externer Link Visit the CO.CO.MAT website!#

Our common goals are:

  1. find new states of matter,
  2. tailor new dynamic cooperative quantum states,
  3. understand the scaling behaviour of their properties from few body to many body physics,
  4. probe and influence the effects of decoherence, and
  5. control light-matter states.

Our projects of the second funding period in this joint effort are:

  • A2 Dipolar Bose-Einstein condensates
  • B6 Ordered states in strongly interacting Rydberg gases
  • Ö   CO.CO.MAT goes public

SCOPE - Stuttgart Research Center of Photonics Engineering at the University of Stuttgart

On 26th November 2009 SCOPE - Stuttgart Research Center for Photonics and Engineering - was founded at the University of Stuttgart. Members are physicists and engineers from eight institutes at the university as well as partners from industry and research institutions outside the university of Stuttgart. The basic goal of the new center
SCoPE is to close the chain from basic research and development activities to innovative developments and applications in the field of photonics, especially with regard to photonic chips, modern optical materials, highresolution imaging and excellent laser design.


German Israeli Foundation

Atomlithography is a new technology for nanofabrication by deposition of neutral atoms and high resolution doping of materials. So far single layers of element selective light masks have been used to manipulate the atoms and typical minimal feature sizes are limited to about 20 nm.

In this joined project with the group of Prof. I. Averbukh at the Weizmann Institute (Rehovot, Israel) recent results in optimal control theory will be applied in a lithography setup to overcome the current limitations in feature size.(see paper link)


Netzwerk der Landesstiftung: “Quantum Information Highway A8“

Ziel dieses Gesamtprojekts ist es, durch Bündelung der einzelnen in Baden-Württemberg auf dem Gebiet der "Quanteninformationsverarbeitung" tätigen Arbeitsgruppen über Institutionsgrenzen hinweg effektivere Fortschritte in Theorie und Experiment auf diesem sich rasch entwickelnden Forschungsgebiet zu erzielen. Diese geplante Bündelung der Forschungsaktivitäten soll besonders der Interdisziplinarität dieses Forschungsgebietes Rechnung tragen. Dementsprechend sind Forschungsgruppen der Universitäten Freiburg, Heidelberg, Karlsruhe, Stuttgart, Tübingen und Ulm aus den Bereichen Mathematik, Theoretische Informatik, Experimentelle und Theoretische Physik in dieses Gesamtprojekt eingebunden.

externer Link http://www.physik.uni-ulm.de/quan/a8/index.html

Ziel unseres Projektes in diesem Netzwerk ist die Realisierung von Quantengattern mit kalten Atomen in periodischen Strukturen.


DFG Schwerpunkt SPP1116: „Wechselwirkung in ultrakalten Atom- und Molekülgasen“

The SPP main objective is to advance our understanding of the interactions in ultra-cold atomic and molecular gases, the development of novel methods of preparation, controlled manipulation and characterisation of such systems, and the exploration of novel applications in other areas such as precision spectrometry and low-temperature chemistry. The scientific programme comprises theoretical and experimental studies of the elementary pair interaction in ultra cold collisions, the collective and coherent interaction in the quantum degenerate regime, and the preparation/formation of ultra-cold molecules.

Our contribution to this priority programme is the project:
Tuning short- and long-range interactions in an ultracold chromium gas

externer Link http://www.spp1116.qipc.org/

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