H. Häffner, Das IQOQI, Konsulententag der Austrian Business Agency (Innsbruck, Austria, 2006-03-26) (2006)

H. Häffner, Coupling trapped ions via transmission lines for quantum computing, DPG (Frankfurt, Germany, 12.3.2006) (2006)

H. Häffner, Quantum computation with trapped ions, International Symposium on Mesoscopic Superconductivity and Spintronics 2006 (Tokyo, 27.2.-3.3.2006) (2006)

H. Häffner, Lectures on "Ion trap quantum information processing", International summer school on quantum information (Dresden, Germany, 29.8.-30.9.2005) (2005)

H. Häffner, Quantum computation with trapped ions, ISQM 2005 (Tokyo, Japan, 24.8.2005) (2005)

H. Häffner, Quantum computation with trapped ions, Quantum Optics VI (Krynica, Poland, 16.5.2005) (2005)

H. Häffner, Quantum information processing with trapped ions, GDEST EU-US workshop on quantum information (Munich, Germany, 8.12.2005) (2005)

H. Häffner, Quantum information processing with trapped ions, Colloquium (Cuernavaca, Mexico, 30.11.2005) (2005)

H. Häffner, Quantum computation with trapped ions, The 2004 “LATSIS Symposium (Lausanne, Switzerland, 2004-3-1/3) (2004)

H. Häffner, Quantum computation with trapped ions -- Teleportation with atoms, Are the DiVincenzo Criteria fulfilled in 2004? (Osaka; Japan, 2004-05-7/8) (2004)

H. Häffner, Teleportation with atoms, ICAP 2004 (Rio de Janeiro; Brazil, 2004-7-25/30) (2004)

H. Häffner, Using entanglement as a resource for teleportation of atomic states, Entanglement; Information & Noise (Krzyzowa, Poland, 2004-6-14/20) (2004)

H. Häffner, Dynamical Tunneling of Cold Atoms, WE-Heraeus-seminar “Chaos and Quantum Transport” (Bad Honnef, 2003-3-23/27) (2003)

H. Häffner, Dynamical Tunneling of Cold Atoms, Max-Planck-Institut für Physik komplexer Systeme (Dresden, Germany, 2002-07-17) (2002)

H. Häffner, Precision measurement of the g-factor of the electron bound in Hydrogen-like Carbon, Chalmers University of Technology (Göteborg, Sweden, 1999-12-15) (1999)