Journal Papers
"Collective Quantum Jumps of Rydberg Atoms", T.E. Lee, H. Häffner, M.C. Cross, Phys. Rev. Lett. 108, 023602 (2012). Link to arXiv, Selected for a Physics View Point.
"Electric field compensation and sensing with a single ion in a planar trap
", S. Narayanan, N. Daniilidis, S. A. Moller, R. Clark, F. Ziesel, K. Singer, F. Schmidt-Kaler,
and H. Häffner, J. Appl. Phys. 110, 114909 (2011). Link to arXiv.
"Transport of charged particles by adjusting rf voltage amplitudes", T. Karin, I. Le Bras, A. Kehlberger, K. Singer, N. Daniilidis, and H. Häffner, Appl. Phys. B 106, 117 (2012). Link to arXiv.
"Antiferromagnetic phase transition in a nonequilibrium lattice of Rydberg atoms", T.E. Lee, H. Häffner, and M.C. Cross, Phys. Rev. A 84, 031402(R) (2011). Link to arXiv, Selected for a Physics View Point.
"All that is gold does not glitter", N. Daniilidis and H. Häffner, Physics 4, 66 (2011). Link to arXiv
"Trapped ions in optical lattices for probing oscillator chain models", T. Pruttivarasin, M. Ramm, I. Talukdar, A. Kreuter and H. Häffner, New J. Phys. 13, 075012 (2011). Link to arXiv
"Fabrication and heating rate study of microscopic surface electrode ion traps", N. Daniilidis, S. Narayanan, S.A. Möller, R. Clark,
T.E. Lee, P.J. Leek, A. Wallraff, St. Schulz, F. Schmidt-Kaler, and H. Häffner, New J. Phys. 13, 013032 (2011). Link to arXiv
"Frustrated trio mimicked", H. Häffner, Nature 465, 555, (2010). Link to arXiv
Introductory article on "Quantum computing with trapped ions", H. Häffner, Journal of the Indian Institute of Science 89, No.3 (2009) in
'Quantum Computation-Curent trends and implementations', Eds. V. Natarajan and A. Kumar. Download
"Wiring up trapped ions to study aspects of quantum information", N. Daniilidis, T. Lee, R. Clark, S. Narayanan, H. Häffner, J. Phys. B 42, 144012 (2009). Link to arXiv
"Optimal control of entangling operations for trapped-ion quantum computing", V. Nebendahl, H. Häffner, C. F. Roos, Phys. Rev. A 79, 012312 (2009). Link to arXiv
Review on "Quantum computing with trapped ions", H. Häffner, C. F. Roos, R. Blatt, Physics Reports 469, 155 (2008). Link to arXiv
Masters Theses
"Electrostatic Control and Transport of Ions on a Planar Trap for Quantum Information Processing", G. Littich. (2011). Download
