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Members

Prof. Dr. Michael Köhl

Secretary
Tina Naggert

Research fellows/Postdocs
Dr. Ferdinand Brennecke
Dr. Kuiyi Gao
Dr. Akos Hoffmann
Dr. Hendrik Meyer

Phd Students
Alexandra Behrle
Jeffrey Chan
Jan Drewes
Marcell Gall
Tim Harrison
Pascal Kobel
Kilian Kluge
Martin Link
Nicola Wurz

Master students

Moritz Breyer
Andreas Kell
Thorsten Langerfeld
Max Zawierucha 

Bachelor students

Janek Fleper

Lucas Pache

 

Alumni

Justas Andrijauskas
Dr. Tim Ballance
Alexander Beck
Kristin Beck
Josselin Bernardoff
Johanna Bohn
Dr. Leonardo Carcagni
Dr. Pierrick Cheney
Dr. Eugenio Cocchi
Dr. Michael Feld
Dr. Bernd Fröhlich
Dr. Marco Koschorreck 
Dr. Robert Maiwald
Dr. Luke Miller
Dr. Stefan Palzer
Dr. Daniel Pertot
Dr. Lothar Ratschbacher
Dr. Carlo Sias
Daniel Sigle
Dr. Jonathan Silver
Dr. Matthias Steiner
Dr. Enrico Vogt
Chi Zhang
Dr. Christoph Zipkes

 

 

 
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Contact

Prof. Dr. Michael Köhl

Raum 5.020
Wegelerstrasse 8
53115 Bonn 
Tel.: +49-228-73 4899
Fax: +49-228-73 4038

Secretary

Tina Naggert

Raum 5.017
Wegelerstrasse 8
53115 Bonn 
Tel.: +49-228-73 4898
Fax: +49-228-73 4038

 
You are here: Home Staff Prof. Dr. Michael Köhl

Prof. Dr. Michael Köhl



koehl
Prof. Dr. Michael Köhl
Alexander-von-Humboldt Professor 
Physikalisches Institut
University of Bonn 
Wegelerstrasse 8 
53115 Bonn, Germany
 
Office location: Wegelerstrasse 8, Room 5.019

Email: 
Phone: +49-228-734899 

 

Short CV

2013 - University of Bonn, Professor of Physics
2011 - 2013 University of Cambridge, Professor of Physics
2011 - 2013 Trinity College Cambridge, Fellow and Senior Lecturer
2007 - 2011 University of Cambridge, Reader in the Department of Physics
2001 - 2006 ETH Zürich, Postdoc (Oberassistent) in the group of T. Esslinger, Habilitation 2006.
1999 - 2001 University of Munich and Max-Planck-Institute for Quantum Optics, Garching: PhD thesis in the group of T.W. Hänsch.
1999 University of Frankfurt: Diploma in physics
1998 - 1999 Massachussetts Institute of Technology, Cambridge (USA): Diploma thesis in the group of W. Ketterle.
1995 - 1998 University of Heidelberg: Undergraduate studies in physics

Awards

2014 ERC Consolidator Grant
2013 Alexander-von-Humboldt Professorship
2012 Thomson Medal and Prize (IoP)
2012 Royal Society Wolfson Research Merit Award
2009 ERC Starting Grant
2009 EPSRC Leadership Fellowship
2007 Röntgen prize of the University of Giessen, Germany
1995-1999 Fellow of the Studienstiftung des deutschen Volkes

 

 

Publications

For a complete list of publications click here: null

M. Koschorreck, D. Pertot, E. Vogt, M. Köhl:
Universal spin dynamics in two-dimensional Fermi gases
arxiv:1304.4980; Nature Physics, in press (2013).

L. Ratschbacher, C. Sias, L. Carcagni, J. M. Silver, C. Zipkes, M. Köhl:
Decoherence of a Single-Ion Qubit Immersed in a Spin-Polarized Atomic Bath

Phys. Rev. Lett. 110, 160402 (2013).

S. K. Baur, E. Vogt, M. Köhl, G. Bruun:
Collective modes of a two-dimensional spin-1/2 Fermi gas in a harmonic trap
arXiv:1301.0358, Phys. Rev. A, in press (2013).

M. Steiner, H. M. Meyer, C. Deutsch, J. Reichel, M. Köhl:
A single ion coupled to an optical fiber cavity

Phys. Rev. Lett. 110, 043003 (2013); see also: Physics Focus: "Optical Fibers Illuminate Single Ion"

B. Fröhlich, M. Feld, E. Vogt, M. Koschorreck, M. Köhl, C. Berthod, T. Giamarchi:
Two-dimensional Fermi liquid with attractive interactions

Phys. Rev. Lett. 109, 130403 (2012).

L. Ratschbacher, C. Zipkes, C. Sias, M. Köhl:
Controlling chemical reactions of a single particle

Nature Physics 8, 649 (2012).

S. K. Baur, B. Fröhlich, M. Feld, E. Vogt, D. Pertot, M. Koschorreck, M. Köhl:
Radio frequency spectra of Feshbach molecules in quasi-two dimensional geometries

Phys. Rev. A 85, 061604 (2012).

M. Koschorreck, D. Pertot, E. Vogt, M. Feld, B. Fröhlich, M. Köhl:
Attractive and repulsive Fermi polarons in two dimensions

Nature 485, 691 (2012).

E. Vogt, M. Feld, B. Fröhlich, D. Pertot, M. Koschorreck, M. Köhl:
Scale invariance and viscosity of a two-dimensional Fermi gas
Phys. Rev. Lett. 108, 070404 (2012).

H. M. Meyer, M. Steiner, L. Ratschbacher, C. Zipkes, M. Köhl:
Laser spectroscopy and cooling of Yb+ ions on a deep-UV transition
Phys. Rev. A 85, 012502 (2012).

M. Feld, B. Fröhlich, E. Vogt, M. Koschorreck, M. Köhl:
Observation of a pairing pseudogap in a two-dimensional Fermi gas

Nature 480, 75 (2011).

A. Behrle, M. Koschorreck, M.Köhl:
Isotope shift and hyperfine splitting of the 4s - 5p transition of potassium
Phys. Rev. A 83, 052507 (2011).

C. Zipkes, L. Ratschbacher, C. Sias, M.Köhl:
Kinetics of a single trapped ion in an ultracold buffer gas
New J. Phys. 13, 053020 (2011).

B. Fröhlich, M. Feld, E. Vogt, M. Koschorreck, W. Zwerger, M.Köhl:
Radio-frequency spectroscopy of a strongly interacting two-dimensional Fermi gas
Phys. Rev. Lett. 106, 105301 (2011).

C. Zipkes, S. Palzer, L. Ratschbacher, C. Sias, M.Köhl:
Cold heteronuclear atom-ion collisions
Phys. Rev. Lett. 105, 133201 (2010).

C. Zipkes, S. Palzer, C. Sias, M.Köhl:
A trapped single ion inside a Bose-Einstein condensate
Nature 464, 388 (2010).

S. Palzer, C. Zipkes, C. Sias, M.Köhl:
Quantum transport through a Tonks-Girardeau gas
Phys. Rev. Lett. 103, 150601 (2009).

J.-S. Bernier, C. Kollath, A. Georges, L. De Leo, F. Gerbier, C. Salomon, M.Köhl:
Cooling fermionic atoms in optical lattices by shaping the confinement
Phys. Rev. A 79, 061601 (R) (2009).

F. Brennecke, T. Donner, S. Ritter, T. Bourdel, M. Köhl, T. Esslinger:
Cavity QED with a Bose-Einstein condensate
Nature 450, 268 (2007). (see also: arXiv:0706.3411).

N. Strohmaier, Y. Takasu, K. Günter, R. Jördens, M. Köhl, H. Moritz, T. Esslinger:
Interaction-controlled transport of an ultracold Fermi gas
Phys. Rev. Lett. 99, 220601 (2007).

C. Kollath, M. Köhl, T. Giamarchi:
Scanning tunneling microscopy with ultracold atoms
Phys. Rev. A 76, 063602 (2007).

T. Donner, S. Ritter, T. Bourdel, A. Öttl, M. Köhl, T. Esslinger:
Critical behaviour of a trapped interacting Bose gas
Science 315, 1556 (2007).

S. Ritter, A. Öttl, T. Donner, T. Bourdel, M. Köhl, T. Esslinger:
Observing the Formation of Long-range Order during Bose-Einstein Condensation
Phys. Rev. Lett. 98, 090402 (2007).

K. Günter, T. Stöferle, H. Moritz, M. Köhl, T. Esslinger:
Bose-Fermi mixtures in a three-dimensional optical lattice
Phys. Rev. Lett. 96, 180402 (2006).

M. Köhl:
Thermometry of Fermionic Atoms in an Optical Lattice
Phys. Rev. A 73, 031601(R) (2006).

T. Stöferle, H. Moritz, K. Günter, M. Köhl, T. Esslinger:
Molecules of Fermionic Atoms in Optical Lattices
Phys. Rev. Lett. 96, 030401 (2006).

K. Günter, T. Stöferle, H. Moritz, M. Köhl, T. Esslinger:
p-Wave Interactions in Low-Dimensional Fermi gases
Phys. Rev. Lett. 95, 230401 (2005).

A. Öttl, S. Ritter, M. Köhl, T. Esslinger:
Correlations and Counting Statistics of an Atom Laser
Phys. Rev. Lett. 95, 090404 (2005).

H. Moritz, T. Stöferle, K. Günter, M. Köhl, T. Esslinger:
Confinement Induced Molecules in a 1D Fermi Gas
Phys. Rev. Lett. 94, 210401 (2005).

M. Köhl, H. Moritz, T. Stöferle, K. Günter, T. Esslinger:
Fermionic Atoms in a Three-Dimensional Optical Lattice: Observing Fermi Surfaces, Dynamics and Interactions
Phys. Rev. Lett. 94, 080403 (2005).

C. Schori, T. Stöferle, H. Moritz, M. Köhl, T. Esslinger:
Excitations of a Superfluid in a 3D Optical Lattice
Phys. Rev. Lett. 93, 240402 (2004).

T. Stöferle, H. Moritz, C. Schori, M. Köhl, T. Esslinger:
Transition from a strongly interacting 1D superfluid to a Mott insulator
Phys. Rev. Lett. 92, 130403 (2004).

H. Moritz, T. Stöferle, M. Köhl, T. Esslinger:
Exciting collective oscillations in a trapped 1D gas
Phys. Rev. Lett. 91, 250402 (2003).

M. Köhl, M. J. Davis, C. W. Gardiner, T. W. Hänsch, T. Esslinger:
Growth of Bose-Einstein Condensates from Thermal Vapor
Phys. Rev. Lett. 88, 080402 (2002).

M. Köhl, T. W. Hänsch, T. Esslinger:
Measuring the temporal coherence of an atom laser beam
Phys. Rev. Lett. 87, 160404 (2001).

I. Bloch, M. Köhl, M. Greiner, T. W. Hänsch, T. Esslinger:
Optics with an Atom Laser Beam
Phys. Rev. Lett. 87, 030401 (2001).

R. Onofrio, D. S. Durfee, C. Raman, M. Köhl, C. E. Kuklewicz, W. Ketterle:
Surface Excitations of a Bose-Einstein-Condensate
Phys. Rev. Lett. 84, 810 (2000).

C. Raman, M. Köhl, R. Onofrio, D. S. Durfee, C. E. Kuklewicz, Z. Hadzibabic, W. Ketterle:
Evidence for a Critical Velocity in a Bose-Einstein Condensed Gas
Phys. Rev. Lett. 83, 2502 (1999).

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