One Two
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 Publications

Papers

J.H. Drewes, L.A. Miller, E. Cocchi, C. Chan, D. Pertot, F. Brennecke, M. Köhl;
Antiferromagnetic correlations in two- dimensional fermionic Mott-insulating and metallic phases 
arxiv 1607.00392 (2016).

H. M. Meyer, M. Breyer, M. Köhl
Monolayer graphene as dissipative membrane in an optical resonator 
arxiv 1606.07897 (2016).

J.H. Drewes, E. Cocchi, L.A. Miller, C. Chan, D. Pertot, F. Brennecke, M. Köhl
Thermodynamics vs. local density fluctuations in the metal/Mott-insulator crossover 
arxiv:1606.04580 (2016).

E. Cocchi, L.A. Miller, J. H. Drewes, M. Koschorreck, D. Pertot, F. Brennecke, M. Köhl:
Equation of state of the two-dimensional Hubbard model
Phys. Rev. Lett. 116, 175301 (2016).

H. M. Meyer, R. Stockill, M. Steiner, C. Le Gall, C. Matthiesen, E. Clarke, A. Ludwig, J. Reichel, M. Atatüre, and M. Köhl:
Direct photonic coupling of a semiconductor quantum dot and a trapped ion
Phys. Rev. Lett. 114, 123001 (2015).

D. Pertot, A. Sheikhan, E. Cocchi, L. A. Miller, J. E. Bohn, M. Koschorreck, M. Köhl, and C. Kollath:
Relaxation Dynamics of a Fermi Gas in an Optical Superlattice
Phys. Rev. Lett. 113, 170403 (2014).

M. Koschorreck, D. Pertot, E. Vogt, M. Köhl: 
Universal spin dynamics in two-dimensional Fermi gases 
Nature Physics 9, 405–409 (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 
Phys. Rev. A 87, 043612 (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).

Document Actions