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Profile: General goals of research for Professor Glaser and his group are the development of novel theory and experimental techniques in nuclear magnetic resonance (NMR) spectroscopy, with applications to structural studies of biopolymers as well as quantum computing.


NMR is the most powerful method to study molecules in solution. The development of new techniques makes it possible to significantly increase the resolution and sensitivity of crucial NMR experiments, in particular for applications to biological macro molecules such as proteins or nucleic acids. Furthermore, NMR is an ideal test ground for the development and experimental demonstration of fundamental concepts in the emerging techniques of quantum information processing and the control of quantum phenomena in general.


Group members



Group pictures

Excursion, July 2011

Selected Publications:

see also the

complete list of publications

• Cooperative Pulses, M. Braun, S. J. Glaser, J. Magn. Reson. 207, 114-123 (2010).
• Exploring the Limits of Electron-Nuclear Polarization Transfer Efficiency in Three Spin Systems, N. Pomplun, S. J. Glaser, Phys. Chem. Chem. Phys. 12, 5791-5798 (2010).
• Optimal Control Methods in NMR Spectroscopy, N. C. Nielsen, C. Kehlet, S. J. Glaser, N. Khaneja, Encyclopedia of Nuclear Magnetic Resonance (2010).
• Singular Extremals for the Time-Optimal Control of Dissipative Spin 1/2 Particles, M. Lapert, Y. Zhang, M. Braun, S. J. Glaser, D. Sugny, Phys. Rev. Lett. 104, 083001 (2010).
• Nuclear-Magnetic Resonance Quantum Calculations of the Jones Polynomial, R. Marx, A. Fahmy, L. Kauffman, S. Lomonaco, A. Spörl, N. Pomplun, T. Schulte-Herbrüggen, J. Myers, S. J. Glaser, Phys. Rev. A 81, 032319 (2010).
• Heteronuclear Decoupling by Optimal Tracking, J. L. Neves, B. Heitmann, N. Khaneja, S. J. Glaser, J. Magn. Reson. 201, 7-17 (2009).
• Quantum Pattern Recognition With Liquid-State Nuclear Magnetic Resonance, R. Neigovzen, J. L. Neves, R. Sollacher, S. J. Glaser, Phys. Rev. A 79, 042321 (2009).
• Thermal Equilibrium as an Initial State for Quantum Computation by NMR, A. F. Fahmy, R. Marx, W. Bermel, S. J. Glaser, Phys. Rev. A 78, 022317 (2008).
• Linear Phase Slope in Pulse Design: Application to Coherence Transfer, N. I. Gershenzon, T. E. Skinner, B. Brutscher, N. Khaneja, M. Nimbalkar, B. Luy, S. J. Glaser, J. Magn. Reson. 192, 235-243 (2008).
• Shortest Paths for Efficient Control of Indirectly Coupled Qubits, N. Khaneja, B. Heitmann, A. Spörl, H. Yuan, T. Schulte-Herbrüggen, S. J. Glaser, Phys. Rev. A 75, 012322/1-10 (2007).
  
• Optimal Control of Coupled Spin Dynamics: Design of NMR Pulse Sequences by Gradient Ascent Algorithms, N. Khaneja, T. Reiss, C. Kehlet, T. Schulte-Herbrüggen, S. J. Glaser, J. Magn. Reson. 172, 296-305 (2005).
  
• Broadband Relaxation-Optimized Polarization Transfer in Magnetic Resonance, N. Khaneja, J.-S. Li, C. Kehlet, B. Luy, S. J. Glaser, Proc. Natl. Acad. Sci. USA 101, 14742-14747 (2004).
  
• Boundary of Quantum Evolution under Decoherence, N. Khaneja, B. Luy, S. J. Glaser, Proc. Natl. Acad. Sci. USA 100, 13162-13166 (2003).
  Background information: [German]
  
• Spins Swing Like Pendulums Do: An Exact Classical Model for TOCSY Transfer in Systems of Three Isotropically Coupled Spins 1/2
  R. Marx, S. J. Glaser, J. Magn. Reson. 164, 338-342 (2003).
  Background information: [English], [German]
• Approaching Five-Bit NMR Quantum Computing, R. Marx, A. F. Fahmy, J. M. Myers, W. Bermel, and S. J. Glaser, Phys. Rev. A 62, 012310-1-8 (2000). See additional information and media reports.
  
• Unitary Control in Quantum Ensembles, Maximizing Signal Intensity in Coherent Spectroscopy, S. J. Glaser, T. Schulte-Herbrüggen, M. Sieveking, O. Schedletzky, N. C. Nielsen, O. W. Sørensen, and C. Griesinger, Science 280, 421-424 (1998). See additional information.
  
• Homonuclear and Heteronuclear Hartmann-Hahn Transfer in Isotropic Liquids, S. J. Glaser and J. J. Quant, Advances in Magnetic and Optical Resonance 19, 59-252 (1996), edited by W. S. Warren (Academic Press).