PD Dr. Ekkehard Peik

• Physikalisch-Technische Bundesanstalt
  Department Time and Frequency
  Bundesallee 100, D-38116 Braunschweig
  
  Phone: (+49) (531) 592 4400
  Fax: (+49) (531) 592 4479
• Email: ekkehard.peik(at)ptb.de

Major Research Interests concerning QUEST:

Atomic Clocks, Precision Laser Spectroscopy, Quantum Optics, Experimental Tests of Fundamental Physics

More Information -> Task Group Variations of Fundamental Constants

10 most relevant publications:

• S. G. Porsev, V. V. Flambaum, E. Peik, and Chr. Tamm
  Excitation of the isomeric ^229mTh nuclear state via an electronic bridge process in ²²⁹Th⁺
  Phys. Rev. Lett. 105, 182501 (2010)
• Chr. Tamm, B. Lipphardt, H. Schnatz, R. Wynands, S. Weyers, T. Schneider, and E. Peik
  ¹⁷¹Yb⁺ single-ion optical frequency standard at 688 THz
  IEEE Trans. Instrum. Meas. 56, 601 (2007)
• S. Schiller, A. Görlitz, A. Nevsky, J.C.J. Koelemeij, A. Wicht, P. Gill, H.A. Klein, H.S. Margolis, G. Mileti, U.Sterr, F. Riehle, E. Peik, Chr. Tamm, W. Ertmer, E. Rasel, V. Klein, C. Salomon, G.M. Tino, P.Lemonde, R. Holzwarth, and T.W. Hänsch
  Optical clocks in space
  Nucl. Phys. B (Proc. Suppl.) 166, 300 (2007); arXiv: gr-qc/0608081
• E. Peik, T. Schneider, and Chr. Tamm
  Laser frequency stabilization to a single ion
  J. Phys. B.: At. Mol. Opt. Phys. 39, 145 (2006)
• T. Schneider, E. Peik, and Chr. Tamm
  Sub-hertz optical frequency comparisons between two trapped ¹⁷¹Yb⁺ ions
  Phys. Rev. Lett. 94, 230801 (2005)
• E. Peik, B. Lipphardt, H. Schnatz, T. Schneider, Chr. Tamm, and S. G. Karshenboim
  New limit on the present temporal variation of the fine structure constant
  Phys. Rev. Lett. 93, 170801 (2004)
• S. G. Karshenboim and E. Peik (Eds.)
  Astrophysics, Clocks and Fundamental Constants
  Springer, Berlin Heidelberg 2004 (as editor and coauthor of two chapters)
• E. Peik and Chr. Tamm
  Nuclear laser spectroscopy of the 3.5 eV transition in Th-229
  Europhys. Lett. 61, 181-186 (2003)
• Th. Becker, J. v. Zanthier, A. Yu. Nevsky, Ch. Schwedes, M. N. Skvortsov, H. Walther, and E. Peik
  High resolution spectroscopy of a single In+ ion: progress towards an optical frequency standard
  Phys. Rev. A. 63, 051802(R) (2001)
• M. Ben Dahan, E. Peik, J. Reichel, Y. Castin, and C. Salomon
  Bloch oscillations of atoms in an optical potential
  Phys. Rev. Lett. 76, 4508-4511 (1996)