Georg Raithel, Professor
Physics Department, University of Michigan
450 Church Street
Ann Arbor, MI 48109
e-mail: graithel@umich.edu
Office: Randall 4223
Laboratory: Randall SB149 and SB271
Frontiers in Optical, Coherent and Ultrafast Science (FOCUS)
Post-doc and graduate-student position(s) available. The positions are for research on cold Rydberg atoms and plasmas in weak and strong magnetic fields, BEC, and evaporatively cooled atomic beams. Other functions include the training of junior students and research dissemination. Applicants should be experienced in one or more of the following: cold-atom and BEC research, Rydberg atoms, laser spectroscopy, cryogenics. To apply, e-mail your application letter and CV to Georg Raithel graithel@umich.edu
Laser-cooling and trapping of ground-state atoms, Bose-Einstein condensation, atom interferometry, optical lattices, and applications in quantum information processing. BEC at the University of Michigan
Coherent many-body effects in cold atomic gases that contain interacting Rydberg excitations. Applications of cold Rydberg atoms in spectroscopy, high-precision metrology, and quantum information processing.
Sate-mixing and ionizing collisions in dense, cold Rydberg gases and plasmas. Strongly magnetized Rydberg atoms and plasmas.
Laser spectroscopy of Rydberg atoms in strong electromagnetic fields, quantum chaos, cavity-QED.
Publications in refereed journal
``Role of the Mean-Field in Bloch Oscillations of a Bose-Einstein Condensate in an Optical Lattice and Harmonic Trap,'' R. Zhang, R. E. Sapiro, R. R. Mhaskar, G. Raithel, submitted.
``Effect of Foerster Resonances on the Excitation Statistics of Many-Body Rydberg Systems,'' A. Reinhard, K. C. Younge, and G. Raithel, submitted.
``1-D Mott insulator transition,'' R. E. Sapiro, R. Zhang, G. Raithel, submitted.
`Bose-Einstein condensate inside a Bragg-reflecting atom cavity,'' R. Zhang, R. E. Sapiro, N. V. Morrow, R. R. Mhaskar, and G. Raithel, Phys. Rev. A 77, 063615 (2008).
``Observation of Superfluorescent Emissions from Laser-Cooled Atoms,'' E. Paradis, B. Barrett, and A. Kumarakrishnan, Department of Physics and Astronomy, York University, R. Zhang and G. Raithel, University of Michigan, Phys. Rev. A 77, 043419 (2008).
``Rydberg-Rydberg collisions: resonant enhancement of state mixing and penning ionization,'' A. Reinhard, T. Cubel Liebisch, K. C. ounge, P. R. Berman, G. Raithel, Phys. Rev. Lett. 100, 123007-1-4 (2008).
``Double-Resonance Spectroscopy of Interacting Rydberg-Atom Systems,'' A. Reinhard, K. C. Younge, T. Cubel Liebisch, B. Knuffman, P. R. Berman, and G. Raithel, Phys. Rev. Lett. 100, 233201 (2008).
``Trapping and evolution dynamics of ultracold two-component plasmas,'' J.-H. Choi, B. Knuffman, X. Zhang, A. P. Povilus, and G. Raithel, Phys. Rev. Lett. 100, 175002-1-4 (2008).
``Effects of static and random magnetic fields on atoms in a gray optical lattice,'' N. V. Morrow, S. K. Dutta, and G. Raithel, Laser Physics 17, 948–955 (2007).
``Analysis of atomic density distributions in optical lattices using an optical mask,'' R. Zhang, N. V. Morrow, R. Sapiro, P. R. Berman, G. Raithel, Optics Communications 275, 311-17 (2007) .
``Multipole transitions of Rydberg atoms in modulated ponderomotive potentials,'' B. Knuffman and G. Raithel, Phys. Rev. A 75, 053401 (2007).
``Level shifts of rubidium Rydberg states due to binary interactions,'' A. Reinhard, T. Cubel Liebisch, B. Knuffman, and G. Raithel, Phys. Rev. A 75, 032712 (2007).
``Open-channel fluorescence imaging of atoms in high-gradient magnetic fields,'' R.R. Mhaskar, S.E. Olson, and G. Raithel, European Physics Journal D 41, 221–227 (2007).
``Magnetic Trapping of Strongly-Magnetized Rydberg Atoms,'' J.-H. Choi, J. R. Guest, G. Raithel, European Physics Journal D 40, 19 (2006).
``Emission of fast atoms from a cold Rydberg gas,'' B. Knuffman and G. Raithel, Phys. Rev. A 73, 020704 (2006).
``Transition of laser cooling between standard and Raman optical lattices,'' R. Zhang, R. E. Sapiro, N. V. Morrow, G. Raithel, Phys. Rev. A 74, 33404 (2006).
``Continuous propagation and energy filtering of a cold atomic beam in a long high-gradient magnetic atom guide,'' Spencer E. Olson, Rahul R. Mhaskar, and Georg Raithel, Phys. Rev. A 73, 033622 (2006).
``Magnetic trapping of long-lived cold Rydberg atoms,'' J.-H. Choi, J. R. Guest, A. P. Povilus, E. Hansis, and G. Raithel, Phys. Rev. Lett. 95, 243001 (2005).
``Atom counting statistics in ensembles of interacting Rydberg atoms,'' T. Cubel Liebisch, A. Reinhard, P. R. Berman, and G. Raithel, Phys. Rev. Lett. 95, 253002 (2005). and Erratum.
``Time dependence and Landau quantization in the ionization of cold, magnetized Ryberg atoms,'' J.-H. Choi, J. R. Guest, E. Hansis, A. P. Povilus, and G. Raithel, Phys. Rev. Lett. 95, 253005 (2005).
``Laser cooling in an optical lattice that employs Raman transitions,'' R. Zhang, N. V. Morrow, P. R. Berman, and G. Raithel, Phys. Rev. A 72, 043409 (2005).
``Coherent population transfer of ground-state atoms into Rydberg states,'' T. Cubel, B. K. Teo, V. S. Malinovsky, J. R. Guest, A. Reinhard, B. Knuffman, P. R. Berman, G. Raithel, Phys. Rev. A 72, 23405-1-4 (2005).
``Sub-Doppler cooling in reduced-period optical lattice geometries,'' P.R. Berman, G. Raithel, R. Zhang, V. S. Malinovsky, Phys. Rev. A 72, 33415-1-11 (2005).
``A simple pressure-tuned Fabry-Perot interferometer,'' E. Hansis, T. Cubel, J.-H. Choi, J. R. Guest, and G. Raithel, Rev. Sci. Instrum. 76, 033105 (2005).
``Laser cooling and magnetic trapping at several Tesla,'' J. R. Guest, J.-H. Choi, E. Hansis, A. P. Povilus and G. Raithel, Phys. Rev. Lett. 94, 073003 (2005).
``Wave-packet interference in an optical lattice,'' N. V. Morrow and G. Raithel, Laser Physics Vol. 15, 74-81 (2005).
``Atom interference in a gray optical lattice,'' N. V. Morrow
and G. Raithel,
Phys. Rev. A 70, 051601 (2004).
``Time Averaging of Multi-mode Optical Fiber Output for a
Magneto-Optical Trap,'' A. P. Povilus, J. R. Guest, S. E. Olson,
R. R. Mhaskar, B. K. Teo, G. Raithel,
JOSA B 22, 311
(2005).
``Cold-Rydberg-gas dynamics," A. Walz-Flannigan, J. R. Guest,
J.-H. Choi, and G. Raithel, Phys. Rev.
A 69, 063405 (2004).
``Autler-Townes spectroscopy of the 5S1/2-5P3/2-44D cascade
of cold 85Rb atoms,'' B. K. Teo, D. Feldbaum, T.
Cubel. J.
R. Guest, P. R. Berman G. Raithel, Phys. Rev.
A 68, 053407 (2003).
``High-|m| Rydberg states in strong magnetic fields,'' J. R. Guest, G.
Raithel, Phys. Rev.
A 68, 052502 (2003).
``Decay rates of high-|m| Rydberg states in strong magnetic fields,'' J. R. Guest, J.-H. Choi, G. Raithel, Phys. Rev. A 68, 022509 (2003).
``Magnetic Behavior of Atoms in Gray Optical Lattices'', J. R. Guest, B. K. Teo, N. V. Morrow, G. Raithel, JOSA B 20, 942 (2003).
``A slow and dark atomic beam'', B. K. Teo, T. Cubel, G. Raithel, Optics Communication 212 307 (2002).
``Coulomb Expansion of laser-excited ion plasmas,'' D. Feldbaum, N. V. Morrow, S. K. Dutta, and G. Raithel, Phys. Rev. Lett. 89, 173004 (2002) .
"Atom reflection in a tepared magnetic guide," B. K. Teo, G. Raithel, Phys,. Rev. A 65, 051401 (2002).
``Tunneling resonances and Coherence in an Optical Lattice,'' B. K. Teo, J. R. Guest, G. Raithel, Phys. Rev. Lett. 88, 173001 (2002).
"Feedback Control of Atomic Motion in an Optical Lattice", N.V. Morrow, S. K. Dutta, G. Raithel, Phys. Rev. Lett. 88, 093003 (2002).
''Loading mechanism for atomic guides'', B. K. Teo, G. Raithel, Phys. Rev. A 63, R031402 (2001).
''Ponderomotive Optical Lattice for Rydberg Atoms'', S. K. Dutta, J. R. Guest, D.Feldbaum, A. Waltz-Flannigan, G. Raithel, Phys. Rev. Lett. 85, 5551 (2000)
"High-Angular-Momentum States in Cold Rydberg Gases", S. K. Dutta, D. Feldbaum, A. Walz-Flannigan, J. R. Guest, and G. Raithel, Phys. Rev Lett. 86, 3993 (2001).
''Enhancement of Sisyphus cooling using a bichromatic
standing wave'', S. K. Dutta, N. V. Morrow, G. Raithel,
Phys. Rev. A 62, 035401
(2000).
''Tunneling and the Born-Oppenheimer Approximation in Optical Lattices'', S. K. Dutta, G. Raithel, J. Opt. B: Quantum Semiclass. Opt. 2, 651 (2000).
"Tunneling Dynamics and Gauge Potentials in Optical Lattices'', S. K. Dutta, B. K. Teo, G. Raithel, Phys. Rev. Lett. 83, 1934 (1999).
''Collapse and revivals of wave-packets in optical Lattices'', G. Raithel, S. L. Rolston, W. D. Phillips, Phys. Rev. Lett. 81, 3615 (1998) .
''Observation of level statistics and Heisenberg-time orbits in diamagnetic Rydberg spectra'', H. Held, J. Schlichter, G. Raithel, H. Walther, Europhys. Lett. 43, 392 (1998) .
''Magnetization and Spin-Flip Dynamics of Atoms in Optical Lattices'', G. Raithel, S. L. Rolston, W. D. Phillips, Phys. Rev. A 58, R2660 (1998) .
''Enhanced laser cooling and state preparation in an optical lattice with magnetic field'', D. L. Haycock, S. E. Hamann, G. Klose, G. Raithel, P. S. Jessen, Phys. Rev. A 57, R705 (1998) .
''Compression and Parametric Drive of Atoms in Optical Lattices'', G. Raithel, G. Birkl, W. D. Phillips, S. L. Rolston, Phys. Rev. Lett. 78, 2928 (1997) .
''Cooling and Localization Dynamics in Optical Lattices'', G. Raithel, G. Birkl, A. Kastberg, W. D. Phillips, S. L. Rolston, Phys. Rev. Lett. 78, 630 (1997) .
''Atomic Interference in the One-Atom-Maser'', G. Raithel, O. Benson, H. Wather, Phys. Rev. Lett. 75, 3446 (1995) .
''Observation of High Angular Momentum States of Rubidium Rydberg Atoms in Strong Magnetic and Weak Electric Fields'', G. Raithel, M. Fauth, J. Phys. B 28, 1687 (1995).
''Quantum Jumps of the Micromaser Field - Dynamic Behavior Close to Phase Transition Points'', O. Benson, G. Raithel, H. Walther, Phys. Rev. Lett. 72, 3506 (1994) .
''Rubidium Rydberg atoms in strong static fields'', G. Raithel, H. Held, L. Marmet, H. Walther, J. Phys. B 27, 2849 (1994).
''Observation of Quasi-Landau Wave Packets'',L. Marmet, H. Held, G. Raithel, J. A. Yeazell, H. Walther, Phys. Rev. Lett. 72, 3779 (1994) .
''From Coherent to Noise-Induced Microwave Ionization of Rydberg Atoms'', O. Benson, A. Buchleitner, G. Raithel, M. Arndt, R. N. Mantegna, H. Walther, Phys. Rev. A 51, 4862 (1995) .
''Ionization energy of rubidium Rydberg atoms in strong crossed electric and magnetic fields'', G. Raithel, H. Walther, Phys. Rev. A 49, 1646 (1994).
''Observation of Wave Packet Motion along Quasi-Landau Orbits'', J. A. Yeazell, G. Raithel, L. Marmet, H. Held, H. Walther, Phys. Rev. Lett. 70, 2884 (1993 ).
''Circular Rydberg states with very large n'', R. J. Brecha, G. Raithel, C. Wagner, H. Walther, Opt. Comm. 102, 257 (1993).
''Atoms in strong crossed electric and magnetic fields: Evidence for states with large electric-dipole moments'', G. Raithel, M. Fauth, H. Walther, Phys. Rev. A 47, 419 (1993) .
''Quasi-Landau resonances in the spectra of rubidium Rydberg atoms
in crossed electric and magnetic fields'', G. Raithel, M. Fauth, H. Walther,
Phys. Rev. A 44, 1898 (1991)
.
Some conference papers and book articles
``Atoms and plasmas in a high-magnetic-field trap,'' G. Raithel, B. Knuffman, M. H. Shah, C. Hempel, E. Paradis, R. Mhaskar, X. Zhang, J.-H. Choi, A. P. Povilus and J. R. Guest, proceedings of PBAR08 (2008).
``Cold Rydberg Atoms'', J.-H. Choi, B. Knuffman, T. Cubel Liebisch, A. Reinhard, G. Raithel, in Advances in Atomic, Molecular and Optical Physics vol. 54, eds. E. Arimondo and P. Berman (Elsevier, 2007).
``Atom Manipulation in Optical Lattices'', N. V. Morrow, G. Raithel, in Advances in Atomic, Molecular and Optical Physics vol. 53, eds. M. Scully and G. Rempe (Elsevier, 2006).
"l-Changing Collisions in Cold Rydberg Gases", A. Walz-Flannigan, D. Feldbaum, S. K. Dutta, J. R. Guest, G. Raithel, in Photonic, Electronic and Atomic Collisions (XXII ICPEAC Proceedings), eds. J. Burgdoerfer, J. S. Cohen, S. Datz and C. R. Vane (Rinton Press, Princeton 2002).
"Spectroscopy of Rydberg Atoms is Non-neutral Cold Plasmas", D. Feldbaum, N. V. Morrow, S. K. Dutta, G. Raithel, in Non-Neutral Plasma Physics IV, eds. F. Anderegg, L. Schweikhard, C. F. Driscoll (AIP Conference Proceedings, Volume 606, New York 2002).
"Decay of Atomic Wave-Packet Motion in Optical Lattices,'' G. Raithel, W. D. Phillips, S. L. Rolston, Fortschritte der Physik 46, 791 (1998)
