Exotic Quantum Matter Group Heidelberg



EQM group at the Physics Institute, University of Heidelberg From left to right: Philipp Fabritius, Alda Arias, Graham Lochead, Stephan Helmrich, Shannon Whitlock, Tobias Wintermantel and Henrik Hirzler.


Dr. Shannon Whitlock

Physikalisches Institut
Universität Heidelberg
Im Neuenheimerfeld 226
69120  Heidelberg
Germany

Phone   +49-(0)6221-54-19474
Fax       +49-(0)6221-54-19545

Publications by Shannon Whitlock


2017Relaxation of an isolated dipolar-interacting Rydberg quantum spin system,
A. Pineiro Orioli, A. Signoles, H. Wildhagen, G. Günter, J. Berges, S. Whitlock, M. Weidemüller,
preprint arXiv:1703.05957 (2017)

A versatile, high-power 460nm laser system for Rydberg excitation of ultracold potassium,
Alda Arias, Stephan Helmrich, Christoph Schweiger, Lynton Ardizzone, Graham Lochead, Shannon Whitlock,
preprint arXiv:1702.02957 (2017)

Simulating quantum spin models using Rydberg-excited atomic ensembles in magnetic microtrap arrays,
S. Whitlock, Alexander A. Glaetzle, Peter Hannaford,
Journal of Physics B: Atomic, Molecular and Optical Physics 50, 074001 (2017) [pdf]

Scaling of a long-range interacting quantum spin system driven out of equilibrium,
Stephan Helmrich, Alda Arias, Shannon Whitlock,
preprint arXiv:1605.08609 (2017)

2016Two-body interactions and decay of three-level Rydberg-dressed atoms,
S Helmrich, A Arias, N Pehoviak, S Whitlock,
Journal of Physics B: Atomic, Molecular and Optical Physics 49, 03LT02 (2016) [pdf]

Density matrix reconstruction of three-level atoms via Rydberg electromagnetically induced transparency ,
V Gavryusev, A Signoles, M Ferreira-Cao, G Zürn, C S Hofmann, G Günter, H Schempp, M Robert-de-Saint-Vincent, S Whitlock, M Weidemüller,
Journal of Physics B: Atomic, Molecular and Optical Physics49, 164002 (2016) [pdf]

Magnetic lattices for ultracold atoms and degenerate quantum gases,
Y Wang, P Surendran, S Jose, T Tran, I Herrera, S Whitlock, R McLean, A Sidorov, P Hannaford,
Science Bulletin 61, 1097-1106 (2016) [pdf]

2015 Quantum Simulation of Energy Transport with Embedded Rydberg Aggregates,
D. W. Schönleber, A. Eisfeld, M. Genkin, S. Whitlock, S .Wüster,
Phys. Rev. Lett. 114, 123005 (2015) [pdf]

Correlated Exciton Transport in Rydberg-Dressed-Atom Spin Chains,
H. Schempp, G. Günter, S. Wüster, M. Weidemüller, S. Whitlock,
Phys. Rev. Lett. 115, 093002 (2015) [pdf]

Radio-frequency spectroscopy of a linear array of Bose-Einstein condensates in a magnetic lattice,
P. Surendran, S. Jose, Y. Wang, I. Herrera, H. Hu, X. Liu, S. Whitlock, R. McLean, A. Sidorov, P. Hannaford,
Phys. Rev. A 91, 023605 (2015) [pdf]

Sub-micron period lattice structures of magnetic microtraps for ultracold atoms on an atom chip,
I Herrera, Y Wang, P Michaux, D Nissen, P Surendran, S Juodkazis, S Whitlock, R J McLean, A Sidorov, M Albrecht, P Hannaford,
Journal of Physics D: Applied Physics48, 115002 (2015) [pdf]

2014 Full Counting Statistics of Laser Excited Rydberg Aggregates in a One-Dimensional Geometry,
H. Schempp, G. Günter, M. Robert-de-Saint-Vincent, C. S. Hofmann, D. Breyel, A. Komnik, D. W. Schönleber, M. Gärttner, J. Evers, S. Whitlock, M. Weidemüller,
Phys. Rev. Lett. 112, 013002 (2014) [pdf]

Collective Excitation of Rydberg-Atom Ensembles beyond the Superatom Model,
Martin Gärttner, Shannon Whitlock, David W. Schönleber, Jörg Evers,
Phys. Rev. Lett. 113, 233002 (2014) [pdf]

Semianalytical model for nonlinear absorption in strongly interacting Rydberg gases,
Martin Gärttner, Shannon Whitlock, David W. Schönleber, Jörg Evers,
Phys. Rev. A 89, 063407 (2014) [pdf]

Periodic array of Bose-Einstein condensates in a magnetic lattice,
S. Jose, P. Surendran, Y. Wang, I. Herrera, L. Krzemien, S. Whitlock, R. McLean, A. Sidorov, P. Hannaford,
Phys. Rev. A 89, 051602(R) (2014) [pdf]

An experimental approach for investigating many-body phenomena in Rydberg-interacting quantum systems,
C. S. Hofmann, G. Günter, H. Schempp, N. M. L. Müller, A. Faber, H. Busche, M. Robert-de-Saint-Vincent, S. Whitlock, M. Weidemüller,
Frontiers of Physics 9, 571-586 (2014) [pdf]

2013 Observing the Dynamics of Dipole-Mediated Energy Transport by Interaction-Enhanced Imaging,
G. Günter, H. Schempp, M. Robert-de-Saint-Vincent, V. Gavryusev, S. Helmrich, C.S. Hofmann, S. Whitlock, M. Weidemüller,
Science 342, 954-956 (2013) [pdf]

Spontaneous avalanche ionization of a strongly blockaded Rydberg gas,
M. Robert-de-Saint-Vincent, C. S. Hofmann, H. Schempp, G. Günter, S. Whitlock, M. Weidemüller,
Phys. Rev. Lett. 110, 045004 (2013) [pdf]

Sub-Poissonian Statistics of Rydberg-Interacting Dark-State Polaritons,
C. S. Hofmann, G. Günter, H. Schempp, M. Robert-de-Saint-Vincent, M. Gärttner, J. Evers, S. Whitlock, M. Weidemüller,
Phys. Rev. Lett. 110, 203601 (2013) [pdf]

2012 Interaction enhanced imaging of individual atoms embedded in dense atomic gases,
G. Günter, M. Robert-de-Saint-Vincent, H. Schempp, C. S. Hofmann, S. Whitlock, M. Weidemüller,
Phys. Rev. Lett 108, 013002 (2012) [pdf]

2011 Crossover from 2D to 3D in a weakly interacting Fermi gas,
P. Dyke, E. D. Kuhnle, S. Whitlock, H. Hu, M. Mark, S. Hoinka, M. Lingham, P. Hannaford, C. J. Vale,
Phys. Rev. Lett. 106, 105304 (2011) [pdf]

2010 Array of mesoscopic ensembles on a magnetic film atom chip,
A. F. Tauschinsky, C. F. Ockeloen, R. M. T. Thijssen, S. Whitlock, R. J. C. Spreeuw,
In H. Katori, H. Yoneda, K. Nakagawa and F. Shimizu (Eds): Laser Spectroscopy World Scientific, Singapore, 74-82 (2010) [pdf]

Spatially resolved excitation of Rydberg atoms and surface effects on an atom chip,
A. Tauschinsky, R. M. T. Thijssen, S. Whitlock, H. B. van Linden van den Heuvell, R. J. C. Spreeuw,
Phys. Rev. A 81, 063411 (2010) [pdf]

Detection of small atom numbers through image processing,
C. F. Ockeloen, A. F. Tauschinsky, R. J. C. Spreeuw, S. Whitlock,
Phys. Rev. A 82, 061606(R) (2010) [pdf]

Box traps on an atom chip for one-dimensional quantum gases,
J. J. P. van Es, P. Wicke, A. H. van Amerongen, C. Rétif, S. Whitlock, N. J. van Druten,
J. Phys. B: At. Mol. Opt. Phys. 43, 155002 (2010) [pdf]

Controlling spin motion and interactions in a one-dimensional Bose gas,
P. Wicke, S. Whitlock, N. J. van Druten,
preprint, arXiv:1010.4545 (2010) [pdf]

Optimized magnetic lattices for ultracold atomic ensembles,
R. Schmied, D. Leibfried, R. J. C. Spreeuw, S. Whitlock,
New J. Phys. 12, 103029 (2010) [pdf]

Sub-Poissonian atom number fluctuations by three-body loss in mesoscopic ensembles,
S. Whitlock, C. F. Ockeloen, R. J. C. Spreeuw,
Phys. Rev. Lett. 104, 120402 (2010) [pdf]

2009 Fabricating atom chips with femtosecond laser ablation,
C. H. Wolff, S. Whitlock, R. M. Lowe, A. I. Sidorov, B. V. Hall,
J. Phys. B: At. Mol. Opt. Phys. 42, 085301 (2009) [pdf]

Two-dimensional array of microtraps with atomic shift register on a chip,
S. Whitlock, R. Gerritsma, T. Fernholz, R. J. C. Spreeuw,
New J. Phys. 11, 023021 (2009) [pdf]

2008 Longitudinal character of atom-chip-based rf-dressed potentials,
J. J. P. van Es, S. Whitlock, T. Fernholz, A. H. van Amerongen, N. J. van Druten,
Phys. Rev. A 77, 063623 (2008) [pdf]

Bose-Einstein condensates on magnetic film microstructures,
M. Singh, S. Whitlock, R. Anderson, S. Ghanbari, B. V. Hall, M. Volk, A. Akulshin, R. McLean, A. Sidorov, P. Hannaford,
In L. Hollberg, J. Bergquist and M. Kasevich (Eds): Laser Spectroscopy World Scientific, Singapore, 228-239 (2008) [pdf]

Scanning magnetoresistance microscopy of atom chips,
M. Volk, S. Whitlock, C. H. Wolff, B. V. Hall, A. I. Sidorov,
Rev. Sci. Instrum. 79, 023702 (2008) [pdf]

Fully permanent magnet atom chip for Bose-Einstein condensation,
T. Fernholz, R. Gerritsma, S. Whitlock, I. Barb, R. J. C. Spreeuw,
Phys. Rev. A 77, 033409 (2008) [pdf]

2007 Condensate Splitting in an Asymmetric Double Well for Atom Chip Based Sensor,
B. V. Hall, S. Whitlock, R. Anderson, P. Hannaford, A. I. Sidorov,
Phys. Rev. Lett. 98, 030402 (2007) [pdf]

Lattice of microtraps for ultracold atoms based on patterned magnetic films,
R. Gerritsma, S. Whitlock, T. Fernholz, H. Schlatter, J. A. Luigjes, J.-U. Thiele, J. B. Goedkoop, R. J. C. Spreeuw,
Phys. Rev. A 76, 033408 (2007) [pdf]

Effect of magnetization inhomogeneity on magnetic microtraps for atoms,
S. Whitlock, B. V. Hall, T. Roach, R. Anderson, M. Volk, P. Hannaford, A. I. Sidorov,
Phys. Rev. A 75, 043602 (2007) [pdf]

2006 Asymmetric double-well potential for single-atom interferometry,
A. I. Sidorov, B. J. Dalton, S. M. Whitlock, F. Scharnberg,
Phys. Rev. A 74, 023612 (2006) [pdf]

A permanent magnetic film atom chip for Bose-Einstein condensation,
B. V. Hall, S. Whitlock, F. Scharnberg, P. Hannaford, A. Sidorov,
J. Phys. B: At. Mol. Opt. Phys. 39, 27 (2006) [pdf]

2005 Perpendicularly magnetized, grooved GdTbFeCo microstructures for atom optics,
J. Y. Wang, S. Whitlock, F. Scharnberg, D. S. Gough, A. I. Sidorov, R. J. McLean, P. Hannaford,
J. Phys. D: Appl. Phys. 38, 4015 (2005) [pdf]

2003 UBRI photometry of globular clusters in the Leo group galaxy NGC 3379,
S. Whitlock, D. A. Forbes, M. Beasley,
Mon. Not. Roy. Astron. Soc. 345, 949 (2003) [pdf]


Thesis


2007 Bose-Einstein condensates on a magnetic film atom chip,
Shannon Whitlock,
Swinburne University of Technology (2007) [pdf]