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1. ABC transporter architecture and mechanism
Locher, Kaspar P. and Borths, Elizabeth (2004)
ABC transporters are ubiquitous membrane proteins that facilitate unidirectional substrate translocation across the lipid bilayer. Over the past five years, new crystal structures have advanced our understanding of how ABC transporters couple adenosine triphosphate (ATP) hydrolysis...
Journal Items
2. In vitro functional characterization of BtuCD-F, the Escherichia coli ABC transporter for vitamin B-12 uptake
3. Structure of a bacterial multidrug ABC transporter
Dawson, Roger J.P. and Locher, Kaspar P. (2006)
Multidrug transporters of the ABC family facilitate the export of diverse cytotoxic drugs across cell membranes. This is clinically relevant, as tumour cells may become resistant to agents used in chemotherapy. To understand the molecular basis of this process, we have determined...
Journal Items
4. Structural Studies of ABC Transporters
Rees, Douglas C., Lee, Allen T., Locher, Kaspar P. and Pinkett, Heather W. (2006)
ABC transporters form a ubiquitous family of importer and exporter proteins that translocate their ligands across the membrane against a concentration gradient. Members of this family invariably consist of two well conserved cytoplasmic ABC (ATP Binding Cassette) domains that power...
Conference Contributions
5. Structure of an ABC transporter in complex with its binding protein
Hollenstein, Kaspar, Frei, Dominik C. and Locher, Kaspar P. (2007)
ATP-binding cassette (ABC) transporter proteins carry diverse substrates across cell membranes(1). Whereas clinically relevant ABC exporters are implicated in various diseases or cause multidrug resistance of cancer cells(2,3), bacterial ABC importers are essential for...
Journal Items
6. Uptake or extrusion
Dawson, Roger J.P., Hollenstein, Kaspar and Locher, Kaspar P. (2007)
ATP-binding cassette (ABC) transporters are integral membrane proteins that move diverse substrates across cellular membranes. ABC importers catalyse the uptake of essential nutrients from the environment, whereas ABC exporters facilitate the extrusion of various...
Journal Items
7. Asymmetry in the structure of the ABC transporter-binding protein complex BtuCD-BtuF
Hvorup, Rikki N., Goetz, Birke A., Niederer, Martina, Hollenstein, Kaspar, Perozo, Eduardo and Locher, Kaspar P. (2007)
BtuCD is an adenosine triphosphate-binding cassette (ABC) transporter that translocates vitamin B-12 from the periplasmic binding protein BtuF into the cytoplasm of Escherichia coli. The 2.6 angstrom crystal structure of a complex BtuCD-F reveals substantial conformational changes...
Journal Items
8. Structure of the multidrug ABC transporter Sav1866 from Staphylococcus aureus in complex with AMP-PNP
Dawson, Roger J.P. and Locher, Kaspar P. (2007)
Staphylococcus aureus Sav1866 is a bacterial homolog of the human ABC transporter Mdr1 that causes multidrug resistance in cancer cells. We report the crystal structure of Sav1866 in complex with adenosine-5'-(beta,gamma-imido)triphosphate (AMP-PNP) at 3.4 angstrom resolution and...
Journal Items
9. Structure and mechanism of ABC transporter proteins
Hollenstein, Kaspar, Dawson, Roger J.P. and Locher, Kaspar P. (2007)
ATP-binding cassette (ABC) transporters are ubiquitous membrane proteins that couple the transport of diverse substrates across cellular membranes to the hydrolysis of ATP. The crystal structures of four ABC transporters have recently been determined. They reveal similar...
Journal Items
10. Structural basis of trans-inhibition in a molybdate/tungstate ABC transporter
Gerber, Sabina, Comellas-Bigler, Mireia, Goetz, Birke A. and Locher, Kaspar P. (2008)
Transport across cellular membranes is an essential process that is catalyzed by diverse membrane transport proteins. The turnover rates of certain transporters are inhibited by their substrates in a process termed trans- inhibition, whose structural basis is poorly understood. We...
Journal Items
11. Distinct gate conformations of the ABC transporter BtuCD revealed by electron spin resonance spectroscopy and chemical cross-linking
Goetz, Birke A., Perozo, Eduardo and Locher, Kaspar P. (2009)
BtuCD is a type II ABC importer that catalyzes the translocation of vitamin B12 from the periplasm into the cytoplasm of Escherichia coli. Crystal structures of BtuCD and the related HiF (or Hi1470/71) protein from Haemophilus influenzae have revealed distinct...
Journal Items
12. Structure and mechanism of ATP-binding cassette transporters
Locher, Kaspar P. (2009)
ATP-binding cassette (ABC) transporters constitute a large superfamily of integral membrane proteins that includes both importers and exporters. In recent years, several structures of complete ABC transporters have been determined by X-ray crystallography. These...
Journal Items
13. Distorted octahedral coordination of tungstate in a subfamily of specific binding proteins
Hollenstein, Kaspar, Comellas-Bigler, Mireia, Bevers, Loes E., Feiters, Martin C., Meyer-Klaucke, Wolfram, Hagedoorn, Peter-Leon and Locher, Kaspar P. (2009)
Bacteria and archaea import molybdenum and tungsten from the environment in the form of the oxyanions molybdate (MoO4 2−) and tungstate (WO4 2−). These substrates are captured by an external, high-affinity binding protein, and delivered to ATP binding cassette transporters,...
Journal Items
14. A distinct mechanism for the ABC transporter BtuCD-BtuF revealed by the dynamics of complex formation
Lewinson, Oded, Lee, Allen T., Locher, Kaspar P. and Rees, Douglas C. (2010)
ATP-binding cassette (ABC) transporters are integral membrane proteins that translocate a diverse array of substrates across cell membranes. We present here the dynamics of complex formation of three structurally characterized ABC transporters-the BtuCD vitamin B-12 importer and...
Journal Items
15. In Vitro Folding and Assembly of the Escherichia coli ATP-binding Cassette Transporter, BtuCD
Di Bartolo, Natalie D., Hvorup, Rikki N., Locher, Kaspar P. and Booth, Paula J. (2011)
Studies on membrane protein folding have focused on monomeric alpha-helical proteins and a major challenge is to extend this work to larger oligomeric membrane proteins. Here, we study the Escherichia coli (E. coli) ATP-binding cassette (ABC) transporter that imports vitamin B-12...
Journal Items
16. X-ray structure of a bacterial oligosaccharyltransferase
Lizak, Christian, Gerber, Sabina, Numao, Shin, Aebi, Markus and Locher, Kaspar P. (2011)
Asparagine-linked glycosylation is a post-translational modification of proteins containing the conserved sequence motif Asn-X-Ser/Thr. The attachment of oligosaccharides is implicated in diverse processes such as protein folding and quality control, organism development or...
Journal Items
17. Transmembrane Gate Movements in the Type II ATP-binding Cassette (ABC) Importer BtuCD-F during Nucleotide Cycle
Joseph, Benesh, Jeschke, Gunnar, Goetz, Birke A., Locher, Kaspar P. and Bordignon, Enrica (2011)
ATP-binding cassette (ABC) transporters are ubiquitous integral membrane proteins that translocate substrates across cell membranes. The alternating access of their transmembrane domains to opposite sides of the membrane powered by the closure and reopening of the nucleotide...
Journal Items
18. X-ray structure of the Yersinia pestis heme transporter HmuUV
Woo, Jae-Sung, Zeltina, Antra, Goetz, Birke A. and Locher, Kaspar P. (2012)
HmuUV is a bacterial ATP-binding cassette (ABC) transporter that catalyzes heme uptake into the cytoplasm of the Gram-negative pathogen Yersinia pestis. We report the crystal structure of HmuUV at 3.0 angstrom resolution in a nucleotide-free state, which features a heme...
Journal Items
19. Asymmetric states of vitamin B₁₂ transporter BtuCD are not discriminated by its cognate substrate binding protein BtuF
Korkhov, Vladimir M., Mireku, Samantha A., Hvorup, Rikki N. and Locher, Kaspar P. (2012)
BtuCD is an ABC transporter catalyzing the uptake of vitamin B12 across the Escherichia coli inner membrane. A previously reported X-ray structure of BtuCD in complex with the periplasmic vitamin B12-binding protein BtuF revealed asymmetry of the transmembrane BtuC subunits. The...
Journal Items
20. Asymmetric states of vitamin B-12 transporter BtuCD are not discriminated by its cognate substrate binding protein BtuF
Korkhov, Vladimir M., Mireku, Samantha A., Hvorup, Rikki N. and Locher, Kaspar P. (2012)
BtuCD is an ABC transporter catalyzing the uptake of vitamin B-12 across the Escherichia coli inner membrane. A previously reported X-ray structure of BtuCD in complex with the periplasmic vitamin B-12-binding protein BtuF revealed asymmetry of the transmembrane BtuC subunits. The...
Journal Items
1. ABC transporter architecture and mechanism
Locher, Kaspar P. and Borths, Elizabeth (2004)
ABC transporters are ubiquitous membrane proteins that facilitate unidirectional substrate translocation across the lipid bilayer. Over the past five years, new crystal structures have advanced our understanding of how ABC transporters couple adenosine triphosphate (ATP) hydrolysis...
Journal Items
2. In vitro functional characterization of BtuCD-F, the Escherichia coli ABC transporter for vitamin B-12 uptake
3. Structure of a bacterial multidrug ABC transporter
Dawson, Roger J.P. and Locher, Kaspar P. (2006)
Multidrug transporters of the ABC family facilitate the export of diverse cytotoxic drugs across cell membranes. This is clinically relevant, as tumour cells may become resistant to agents used in chemotherapy. To understand the molecular basis of this process, we have determined...
Journal Items
4. Structural Studies of ABC Transporters
Rees, Douglas C., Lee, Allen T., Locher, Kaspar P. and Pinkett, Heather W. (2006)
ABC transporters form a ubiquitous family of importer and exporter proteins that translocate their ligands across the membrane against a concentration gradient. Members of this family invariably consist of two well conserved cytoplasmic ABC (ATP Binding Cassette) domains that power...
Conference Contributions
5. Structure of an ABC transporter in complex with its binding protein
Hollenstein, Kaspar, Frei, Dominik C. and Locher, Kaspar P. (2007)
ATP-binding cassette (ABC) transporter proteins carry diverse substrates across cell membranes(1). Whereas clinically relevant ABC exporters are implicated in various diseases or cause multidrug resistance of cancer cells(2,3), bacterial ABC importers are essential for...
Journal Items
6. Uptake or extrusion
Dawson, Roger J.P., Hollenstein, Kaspar and Locher, Kaspar P. (2007)
ATP-binding cassette (ABC) transporters are integral membrane proteins that move diverse substrates across cellular membranes. ABC importers catalyse the uptake of essential nutrients from the environment, whereas ABC exporters facilitate the extrusion of various...
Journal Items
7. Asymmetry in the structure of the ABC transporter-binding protein complex BtuCD-BtuF
Hvorup, Rikki N., Goetz, Birke A., Niederer, Martina, Hollenstein, Kaspar, Perozo, Eduardo and Locher, Kaspar P. (2007)
BtuCD is an adenosine triphosphate-binding cassette (ABC) transporter that translocates vitamin B-12 from the periplasmic binding protein BtuF into the cytoplasm of Escherichia coli. The 2.6 angstrom crystal structure of a complex BtuCD-F reveals substantial conformational changes...
Journal Items
8. Structure of the multidrug ABC transporter Sav1866 from Staphylococcus aureus in complex with AMP-PNP
Dawson, Roger J.P. and Locher, Kaspar P. (2007)
Staphylococcus aureus Sav1866 is a bacterial homolog of the human ABC transporter Mdr1 that causes multidrug resistance in cancer cells. We report the crystal structure of Sav1866 in complex with adenosine-5'-(beta,gamma-imido)triphosphate (AMP-PNP) at 3.4 angstrom resolution and...
Journal Items
9. Structure and mechanism of ABC transporter proteins
Hollenstein, Kaspar, Dawson, Roger J.P. and Locher, Kaspar P. (2007)
ATP-binding cassette (ABC) transporters are ubiquitous membrane proteins that couple the transport of diverse substrates across cellular membranes to the hydrolysis of ATP. The crystal structures of four ABC transporters have recently been determined. They reveal similar...
Journal Items
10. Structural basis of trans-inhibition in a molybdate/tungstate ABC transporter
Gerber, Sabina, Comellas-Bigler, Mireia, Goetz, Birke A. and Locher, Kaspar P. (2008)
Transport across cellular membranes is an essential process that is catalyzed by diverse membrane transport proteins. The turnover rates of certain transporters are inhibited by their substrates in a process termed trans- inhibition, whose structural basis is poorly understood. We...
Journal Items
11. Distinct gate conformations of the ABC transporter BtuCD revealed by electron spin resonance spectroscopy and chemical cross-linking
Goetz, Birke A., Perozo, Eduardo and Locher, Kaspar P. (2009)
BtuCD is a type II ABC importer that catalyzes the translocation of vitamin B12 from the periplasm into the cytoplasm of Escherichia coli. Crystal structures of BtuCD and the related HiF (or Hi1470/71) protein from Haemophilus influenzae have revealed distinct...
Journal Items
12. Structure and mechanism of ATP-binding cassette transporters
Locher, Kaspar P. (2009)
ATP-binding cassette (ABC) transporters constitute a large superfamily of integral membrane proteins that includes both importers and exporters. In recent years, several structures of complete ABC transporters have been determined by X-ray crystallography. These...
Journal Items
13. Distorted octahedral coordination of tungstate in a subfamily of specific binding proteins
Hollenstein, Kaspar, Comellas-Bigler, Mireia, Bevers, Loes E., Feiters, Martin C., Meyer-Klaucke, Wolfram, Hagedoorn, Peter-Leon and Locher, Kaspar P. (2009)
Bacteria and archaea import molybdenum and tungsten from the environment in the form of the oxyanions molybdate (MoO4 2−) and tungstate (WO4 2−). These substrates are captured by an external, high-affinity binding protein, and delivered to ATP binding cassette transporters,...
Journal Items
14. A distinct mechanism for the ABC transporter BtuCD-BtuF revealed by the dynamics of complex formation
Lewinson, Oded, Lee, Allen T., Locher, Kaspar P. and Rees, Douglas C. (2010)
ATP-binding cassette (ABC) transporters are integral membrane proteins that translocate a diverse array of substrates across cell membranes. We present here the dynamics of complex formation of three structurally characterized ABC transporters-the BtuCD vitamin B-12 importer and...
Journal Items
15. In Vitro Folding and Assembly of the Escherichia coli ATP-binding Cassette Transporter, BtuCD
Di Bartolo, Natalie D., Hvorup, Rikki N., Locher, Kaspar P. and Booth, Paula J. (2011)
Studies on membrane protein folding have focused on monomeric alpha-helical proteins and a major challenge is to extend this work to larger oligomeric membrane proteins. Here, we study the Escherichia coli (E. coli) ATP-binding cassette (ABC) transporter that imports vitamin B-12...
Journal Items
16. X-ray structure of a bacterial oligosaccharyltransferase
Lizak, Christian, Gerber, Sabina, Numao, Shin, Aebi, Markus and Locher, Kaspar P. (2011)
Asparagine-linked glycosylation is a post-translational modification of proteins containing the conserved sequence motif Asn-X-Ser/Thr. The attachment of oligosaccharides is implicated in diverse processes such as protein folding and quality control, organism development or...
Journal Items
17. Transmembrane Gate Movements in the Type II ATP-binding Cassette (ABC) Importer BtuCD-F during Nucleotide Cycle
Joseph, Benesh, Jeschke, Gunnar, Goetz, Birke A., Locher, Kaspar P. and Bordignon, Enrica (2011)
ATP-binding cassette (ABC) transporters are ubiquitous integral membrane proteins that translocate substrates across cell membranes. The alternating access of their transmembrane domains to opposite sides of the membrane powered by the closure and reopening of the nucleotide...
Journal Items
18. X-ray structure of the Yersinia pestis heme transporter HmuUV
Woo, Jae-Sung, Zeltina, Antra, Goetz, Birke A. and Locher, Kaspar P. (2012)
HmuUV is a bacterial ATP-binding cassette (ABC) transporter that catalyzes heme uptake into the cytoplasm of the Gram-negative pathogen Yersinia pestis. We report the crystal structure of HmuUV at 3.0 angstrom resolution in a nucleotide-free state, which features a heme...
Journal Items
19. Asymmetric states of vitamin B₁₂ transporter BtuCD are not discriminated by its cognate substrate binding protein BtuF
Korkhov, Vladimir M., Mireku, Samantha A., Hvorup, Rikki N. and Locher, Kaspar P. (2012)
BtuCD is an ABC transporter catalyzing the uptake of vitamin B12 across the Escherichia coli inner membrane. A previously reported X-ray structure of BtuCD in complex with the periplasmic vitamin B12-binding protein BtuF revealed asymmetry of the transmembrane BtuC subunits. The...
Journal Items
20. Asymmetric states of vitamin B-12 transporter BtuCD are not discriminated by its cognate substrate binding protein BtuF
Korkhov, Vladimir M., Mireku, Samantha A., Hvorup, Rikki N. and Locher, Kaspar P. (2012)
BtuCD is an ABC transporter catalyzing the uptake of vitamin B-12 across the Escherichia coli inner membrane. A previously reported X-ray structure of BtuCD in complex with the periplasmic vitamin B-12-binding protein BtuF revealed asymmetry of the transmembrane BtuC subunits. The...
Journal Items
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Exciting Collective Oscillations in a Trapped 1D Gas
Moritz, Henning, Stöferle, Thilo, Köhl, Michael and Esslinger, Tilman (2003)
We report on the realization of a trapped one-dimensional Bose gas and its characterization by means of measuring its lowest lying collective excitations. The quantum degenerate Bose gas is prepared in a 2D optical lattice, and we find the ratio of the frequencies of the lowest...
Transition from a strongly interacting 1D superfluid to a Mott insulator
Stöferle, Thilo, Moritz, Henning, Schori, Christian, Köhl, Michael and Esslinger, Tilman (2004)
We study 1D trapped Bose gases in the strongly interacting regime. The systems are created in an optical lattice and are subject to a longitudinal periodic potential. Bragg spectroscopy enables us to investigate the excitation spectrum in different regimes. In the superfluid phase...
Excitations of a superfluid in a three-dimensional optical lattice
Schori, Christian, Stöferle, Thilo, Henning, Moritz, Köhl, Michael and Esslinger, Tilman (2004)
We prepare a Bose-Einstein condensed gas in a three-dimensional optical lattice and study the excitation spectrum of the superfluid phase for different interaction strengths. We probe the response of the system by modulating the depth of the optical lattice along one axis. The...
Fermionic atoms with tunable interactions in a 3D optical lattice
Stöferle, Thilo, Moritz, Henning, Schori, Christian, Günter, Kenneth J., Köhl, Michael and Esslinger, Tilman (2005)
We report on the realization of a quantum degenerate atomic Fermi gas in an optical lattice. Fermi surfaces of noninteracting fermions are studied in a three-dimensional lattice. Using a Feshbach resonance, we observe a coupling of the Bloch bands in the strongly interacting regime.
p-Wave interactions in low-dimensional fermionic gases
Günter, Kenneth, Stöferle, Thilo, Moritz, Henning, Köhl, Michael and Esslinger, Tilman (2005)
We study a spin-polarized degenerate Fermi gas interacting via a p-wave Feshbach resonance in an optical lattice. The strong confinement available in this system allows us to realize one- and two-dimensional gases and, therefore, to restrict the asymptotic scattering states of...
Fermionic atoms in a three dimensional optical lattice
Köhl, Michael, Moritz, Henning, Stöferle, Thilo, Günter, Kenneth and Esslinger, Tilman (2005)
We have studied interacting and noninteracting quantum degenerate Fermi gases in a three-dimensional optical lattice. We directly image the Fermi surface of the atoms in the lattice by turning off the optical lattice adiabatically. Because of the confining potential, gradual...
Observing the profile of an atom laser beam
Köhl, Michael, Busch, Th., Mølmer, Klaus, Hänsch, Theodor W. and Esslinger, Tilman (2005)
We report on an investigation of the beam profile of an atom laser extracted from a magnetically trapped Rb-87 Bose-Einstein condensate. The transverse momentum distribution is magnified by a curved mirror for matter waves and a momentum resolution of 1/60 of a photon recoil is...
Confinement induced molecules in a 1D Fermi gas
Henning, Moritz, Stöferle, Thilo, Günter, Kenneth, Köhl, Michael and Esslinger, Tilman (2005)
We have observed two-particle bound states of atoms confined in a one-dimensional matter waveguide. These bound states exist irrespective of the sign of the scattering length, contrary to the situation in free space. Using radio-frequency spectroscopy we have measured the binding...
Correlations and counting statistics of an atom laser
Öttl, Anton, Ritter, Stephan, Köhl, Michael and Esslinger, Tilman (2005)
We demonstrate time-resolved counting of single atoms extracted from a weakly interacting Bose-Einstein condensate of Rb-87 atoms. The atoms are detected with a high-finesse optical cavity and single atom transits are identified. An atom laser beam is formed by continuously output...
Hybrid apparatus for Bose-Einstein condensation and cavity quantum electrodynamics
Öttl, Anton, Ritter, Stephan, Köhl, Michael and Esslinger, Tilman (2006)
We present and characterize an experimental system in which we achieve the integration of an ultrahigh finesse optical cavity with a Bose-Einstein condensate (BEC). The conceptually novel design of the apparatus for the production of BECs features nested vacuum chambers and an in...
Molecules of Fermionic Atoms in an Optical Lattice
Stöferle, Thilo, Moritz, Henning, Günter, Kenneth, Köhl, Michael and Esslinger, Tilman (2006)
We create molecules from fermionic atoms in a three-dimensional optical lattice using a Feshbach resonance. In the limit of low tunneling, the individual wells can be regarded as independent three-dimensional harmonic oscillators. The measured binding energies for varying...
Time interval distributions of atoms in atomic beams
Köhl, Michael, Öttl, Anton, Ritter, Stephan, Donner, Tobias, Bourdel, Thomas and Esslinger, Tilman (2006)
We report an experimental investigation of two-particle correlations between neutral atoms in a Hanbury Brown and Twiss experiment. Both an atom laser beam and a pseudo-thermal atomic beam are extracted from a Bose–Einstein condensate and the atom flux is measured with a single...
Fermionic atoms in an optical lattice
Köhl, Michael and Esslinger, Tilman (2006)
The demonstration of Bose-Einstein condensation, ten years ago, has initiated a wave of research on quantum degenerate gases. Close to absolute zero temperature the atoms almost come to a standstill and a window on the quantum nature of many-particle systems opens up. It...
Bose-Fermi mixtures in a three-dimensional optical lattice
Günter, Kenneth, Stöferle, Thilo, Moritz, Henning, Köhl, Michael and Esslinger, Tilman (2006)
We have studied mixtures of fermionic K-40 and bosonic Rb-87 quantum gases in a three-dimensional optical lattice. We observe that an increasing admixture of the fermionic species diminishes the phase coherence of the bosonic atoms as measured by studying both the visibility of the...
Bose-Fermi Mixtures in a Three-Dimensional Optical Lattice
Koehl, Michael, Guenter, Kenneth, Stoeferle, Thilo, Moritz, Henning and Esslinger, Tilman (2006)
We have studied mixtures of fermionic K-40 and bosonic Rb-87 quantum gases in a three-dimensional optical lattice. We observe that an increasing admixture of the fermionic species diminishes the phase coherence of the bosonic atoms as measured by studying both the...
Strongly interacting atoms and molecules in a 3D optical lattice
Köhl, Michael, Günter, Kenneth, Stöferle, Thilo, Moritz, Henning and Esslinger, Tilman (2006)
We report on the realization of a strongly interacting quantum degenerate gas of fermionic atoms in a three-dimensional optical lattice. We prepare a band-insulating state for a two-component Fermi gas with one atom per spin state per lattice site. Using a Feshbach resonance, we...
Quantum physics
Esslinger, Tilman and Blatter, Gianni (2006)
The observation of Bose-Einstein condensation in an atomic gas was a seminal result. Two-dimensional gases are more complex, and an intriguing interference experiment has exposed a different superfluid transition.
Hybrid apparatus for Bose-Einstein condensation and cavity quantum electrodynamics
Öttl, Anton, Ritter, Stephan, Köhl, Michael and Esslinger, Tilman (2006)
We present and characterize an experimental system in which we achieve the integration of an ultrahigh finesse optical cavity with a Bose-Einstein condensate (BEC). The conceptually novel design of the apparatus for the production of BECs features nested vacuum chambers and...
Interaction-controlled transport of an ultracold Fermi gas
Strohmaier, Niels, Takasu, Yosuke, Günter, Kenneth, Jördens, Robert, Köhl, Michael, Moritz, Henning and Esslinger, Tilman (2007)
We explore the transport properties of an interacting Fermi gas in a three-dimensional optical lattice. The center of mass dynamics of the atoms after a sudden displacement of the trap minimum is monitored for different interaction strengths and lattice fillings. With...
Cavity QED with a Bose-Einstein condensate
Brennecke, Ferdinand, Donner, Tobias, Ritter, Stephan, Bourdel, Thomas, Koehl, Michael and Esslinger, Tilman (2007)
Cavity quantum electrodynamics (cavity QED) describes the coherent interaction between matter and an electromagnetic field confined within a resonator structure, and is providing a useful platform for developing concepts in quantum information processing(1). By using high-quality...