Publications

2012

Matthias Wolke, Julian Klinner, Hans Keßler, Andreas Hemmerich
Cavity cooling below the recoil limit
Science, accepted for publication (2012)

Purbasha Halder, Chih-Yun Yang, and Andreas Hemmerich
Alternative route to Bose-Einstein condensation of two-electron atoms

M. Ölschläger, G. Wirth, T. Kock, A. Hemmerich
Topologically induced avoided band crossing in an optical chequerboard lattice

K. Sun, W. V. Liu, A. Hemmerich, S. Das Sarma
Topological semimetal in a fermionic optical lattice

2011

G. Wirth, M. Ölschläger, A. Hemmerich
Evidence for orbital superfluidity in the P-band of a bipartite optical square lattice

M. Ölschläger, G. Wirth, A. Hemmerich
Unconventional Superfluid Order in the F Band of a Bipartite Optical Square Lattice

2010

A. Hemmerich
Effective time-independent description of optical lattices with periodic driving

L.-K. Lim, A. Lazarides, A. Hemmerich, C. Morais Smith
Competing Superconducting States for Ultracold Atoms in Optical Lattices with Artificial Staggered Magnetic Field

J. Klinner, M. Wolke, A. Hemmerich
Increased efficiency of rf-induced evaporative cooling by utilizing gravity

L.-K. Lim, A. Hemmerich, C. Morais Smith
Artificial Staggered Magnetic Field for Ultracold Atoms in Optical Lattices

2009

L.-K. Lim, A. Lazarides, A. Hemmerich, C. Morais Smith
Strongly interacting two-dimensional Dirac fermions

M. Ölschläger, G. Wirth, C. Morais Smith, A. Hemmerich
Kinetic Thomas–Fermi solutions of the Gross–Pitaevskii equation

2008

A. Hemmerich
Der Atomlaser - Science oder Fiction?

T. König, M. Weidemüller, A. Hemmerich
Real-time phase-shift detection of the surface plasmon resonance

L.-K. Lim, C. Morais Smith, A. Hemmerich
Staggered-Vortex Superfluid of Ultracold Bosons in an Optical Lattice

2007

C. Y. Yang, P. Halder, O. Appel, D. Hansen, A. Hemmerich
Continuous loading of 1S0 calcium atoms into an optical dipole trap

A. Hemmerich, C. Morais Smith
Excitation of a d-Density Wave in an Optical Lattice with Driven Tunneling

2006

Dirk Hansen, Andreas Hemmerich
Observation of Multichannel Collisions of Cold Metastable Calcium Atoms

J. Klinner, M. Lindholdt, B. Nagorny, A. Hemmerich
Normal-Mode-Splitting and Mechanical Effects of an Optical Lattice in a Ring Cavity

2005

Vladimir Elman, Andreas Hemmerich
Near-resonant dark optical lattice with increased occupation

Dirk Hansen, Andreas Hemmerich
Doppler-free spectroscopy of metastable calcium in a discharge heat pipe

2004

Th. Elsässer, B. Nagorny, A. Hemmerich
Optical Bistability and Collective Behavior of Atoms trapped in a High-Q Ring Cavity

2003

B. Nagorny, Th. Elsässer, A. Hemmerich
Collective Atomic Motion in an Optical Lattice formed inside a High Finesse Cavity

Th. Elsässer, B. Nagorny, A. Hemmerich
Collective Sideband Cooling in an Optical Ring Cavity

D. Kruse, M. Ruder, J. Benhelm, C. von Cube, C. Zimmermann, Ph. W. Courteille, Th. Elsässer, B. Nagorny, A. Hemmerich
Cold atoms in a high-Q ring-cavity

B. Nagorny, Th. Elsässer, H. Richter, A. Hemmerich D. Kruse, C. Zimmermann, Ph. Courteille
Optical Lattice in a High Finesse Ring Resonator

D.P. Hansen, J.R. Mohr, and A. Hemmerich
Magnetic trapping of metastable calcium atoms

2002

J. Grünert, A. Hemmerich
Ultracold Metastable Calcium Atoms
Proceedings of the VI. Symposium on Freq. Standards & Metrology, September 9 – 14, St. Andrews, Scotland (2001), World Scientific (2002)

Jan Grünert and Andreas Hemmerich
Sub-Doppler Magneto-Optical Trap for Calcium

2001

A. Schoof, J. Grünert, S. Ritter, A. Hemmerich
Reducing the Linewidth of a Diode Laser below 30 Hz by Stabilization to a Reference Cavity with a Finesse above 10^5

J. Grünert, A. Hemmerich
Optimizing the Production of Metastable Calcium Atoms in a Magneto-Optic Trap

A. Görlitz, T. Kinoshita, T. Hänsch, A. Hemmerich
Realization of Bichromatic Optical Superlattices

G. Quehl, J. Grünert, V. Elman, A. Hemmerich
A Tunable Dual Frequency Tm:YAG Laser

A. Hemmerich
A New Approach for Laser Cooling of Calcium
Laserphysics at the Limit, H. Figger, D. Meschede, C. Zimmermann, eds., Springer Verlag (2001)

2000

J. Grünert, G. Quehl, V. Elman, A. Hemmerich
Ultracold Metastable Calcium Ensembles, a Medium for Matter Wave Amplification

1999

A. Hemmerich
Quantum Entanglement in Dilute Optical Lattices

1998

M. Weidemüller, A. Görlitz, T. Hänsch, A. Hemmerich
Local and Global Properties of Light-Bound Atomic Lattices Investigated by Bragg- Diffraction

1997

A. Hemmerich
Kühlung von Gasen mit Laserstrahlen

A. Görlitz, T. Hänsch, and A. Hemmerich
Dynamics and Spatial Order of Atoms confined in an Optical Lattice

A. Hemmerich
Kristalle aus lichtgebundener Materie

A. Görlitz, M. Weidemüller, T. Hänsch, A. Hemmerich
Observing the Position Spread of Atomic Wavepackets

A. Hemmerich, A. Görlitz, T. Hänsch
Dark Optical Lattices
OSA Trends in Optics and Photonics Series 7, Special Issue on Bose-Einstein Condensation (1997)

1996

A. Görlitz, M. Weidemüller, T. Hänsch, and A. Hemmerich
New Experiments with Optical Lattices
Proceedings of the XV. International Conference on Atomic Physics, August 1 - 5, Amsterdam, Holland (1996).

A. Hemmerich, T. Hänsch
Raman Spectroscopy of Optical Lattices
Proceedings of the XV. International Conference on Raman Spectroscopy, S. Asher and P. Stein, eds., p. 1208, John Wiley & Sons (1996)

T. Esslinger, F. Sander, H. Ritsch, A. Hemmerich, M. Weidemüller, T. Hänsch
A Dark Purely Optical Lattice

A. Hemmerich, T. Hänsch
Lichtgebundene Atomgitter
Physikalische Blätter 52, Mai (1996).

T. Esslinger, F. Sander, M. Weidemüller, A. Hemmerich, T. Hänsch
Sub-Recoil Laser Cooling with Adiabatic Transfer

A. Hemmerich
Cooling and Trapping Neutral Atoms with Laser Light
Proceedings of the 47th SUSSP, Laser Sources and Applications, St Andrews, Scotland, June 1995, A. Miller, M. Finlayson, eds., Institut of Physics, Bristol (1996)

1995

M. Weidemüller, A. Hemmerich, A. Görlitz, T. Esslinger, T. Hänsch
Bragg Scattering in an Atomic Lattice Bound by Light

L. Ricci, M. Weidemüller, T. Esslinger, A. Hemmerich, C. Zimmermann, V. Vuletic, W. König, T. Hänsch
A Compact Grating-Stabilized Diode Laser System for Atomic Physics

A. Hemmerich, M. Wiedemüller, T. Esslinger, C.Zimmermann, T. Hänsch
Trapping Atoms in a Dark Optical Lattice

C. Zimmermann, V. Vuletic, A. Hemmerich, L. Ricci, T. Hänsch
Design for a Compact Tunable Ti:Sapphire Laser

1994

C. Zimmermann, V. Vuletic, A. Hemmerich, T. Hänsch
All Solid State Laser Source for Tunable Blue and Ultraviolet Radiation

A. Hemmerich, M. Weidemüller, T. Hänsch
Spectroscopy of Optical Lattices

A. Hemmerich, M. Weidemüller, T. Hänsch
Four-Wave Mixing in a Spin-Polarized 3D Optical Lattice

M. Weidemüller, T. Esslinger, M. Ol´shanii, A. Hemmerich, T. Hänsch
A Novel Scheme for Efficient Cooling Below the Photon Recoil Limit

A. Hemmerich, T. Hänsch
Raman Spectroscopy of Optical Lattices
Proceedings of the XIV. International Conference on Raman Spectroscopy, N.T. Yu and X.Y. Li, eds., p. 1074, John Wiley & Sons, Chichester (1994)

C. Zimmermann, A. Hemmerich, T. Hänsch
Generation of Blue and Ultraviolet Light by Frequency Doubling of Semiconductor Laser Radiation
Advances in Solid State Physics /Festkörperprobleme, H. J. Queisser, ed., Springer (1994)

A. Hemmerich, C. Zimmermann,T. Hänsch
A Compact Source of Narrow Band Blue Radiation

A. Hemmerich, C. Zimmermann, T. Hänsch
Multi-Photon-Transitions in a Spin-Polarized 3D Optical Crystal

1993

A. Hemmerich, T. Hänsch
Line Strengths in Vibrational Spectra of a Two-dimensional Optical Crystal

A. Hemmerich, T. Hänsch
Two and Three-Dimensional Optical Crystals
Fundamentals of Quantum Optics III, F. Ehlotzky, Ed., Lecture Notes in Physics 420, Springer

A. Hemmerich, C. Zimmermann, T. Hänsch
Sub-kHz Rayleigh Resonance in a Cubic Atomic Crystal

T. Esslinger, M. Weidemüller, A. Hemmerich, T. Hänsch
A Surface Plasmon Mirror for Atoms

A. Hemmerich, T. Hänsch
Optische Kristalle
Physikalische Blätter 10 (1993)

A. Hemmerich, M. Weidemüller, T. Esslinger, T. Hänsch
Collective Atomic Dynamics in a Magneto-Optical Trap

A. Hemmerich, T. Hänsch
A Two-Dimensional Atomic Crystal Bound by Light

1992

A. Hemmerich, D. Schropp, T. Hänsch
Elastic Scattering of Rubidium Atoms by Two Crossed Stand Waves

A. Hemmerich, D. Schropp, T. Esslinger, T. Hänsch
Dipole Forces in Two Crossed Standing Waves with Controlled Time-Phase Difference
Proceedings of the X. International Conference of Laser Spectroscopy, M. Ducloy, E. Giacabino and G. Camy, Eds., p.27, World Scientific (1992)

A. Hemmerich, T. Hänsch
Radiation Pressure Vortices in Two Crossed Standing Waves

T. Esslinger, A. Hemmerich, T. Hänsch
Imaging an Atomic Beam in Two Dimensions

C. Zimmermann, A. Hemmerich, T. Hänsch
Second Harmonic Generation and its Application to High Resolution Spectroscopy of Atomic Hydrogen
Proceedings of NATO ASI meeting "Solid State Lasers, New Developments and Applications", Elba 1992, M. Inguscio and R. Wallenstein eds., Plenum Press

1991

A. Hemmerich, D. Schropp, T. Hänsch
Light Forces in Two Crossed Standing Waves with Controlled Time Phase Difference

1990

A. Hemmerich, D. McIntyre, D. Schropp, D. Meschede, T. Hänsch
Narrow Linewidth Semiconductor Laser for High Resolution Spectroscopy

A. Hemmerich, D. McIntyre, C. Zimmermann, T. Hänsch
Second Harmonic Generation and Optical Stabilization of a Diode Laser in a Ring Resonator

1987

A. Hemmerich
Comments on Smoothing Cosmologies