Ultrafast Laser and Electron Diffraction Techniques; Femtochemistry; Dynamics of Nanostructures, Dense Fluids and Liquids; Reaction Control and Multiple Pulse Phase-Coherence Spectroscopy; Dynamics of Biological Systems, DNA and Proteins. 

Some Recent References 

1. Femtosecond Activation of Reactions and the Concept of Non-Ergodic Molecules, E. W.-G. Diau, J. L. Herek, Z. H. Kim, and A. H. Zewail, Science 279, 847 (1998). 

2. Femtochemistry in Nanocavities: Dissociation, Recombination and Vibrational Cooling of Iodine in Cyclodextrin, M.Chachisvilis, I. Garcia-Ochoa, A. Douhal, and A. H. Zewail, Chem. Phys. Lett. 293, 153 (1998). 

3. Femtosecond Dynamics of Transition States and the Concept of Concertedness: Nitrogen Extrusion of Azomethane Reactions, E. W.-G. Diau, O. Abou-Zied, A. A. Scala, and A. H. Zewail, J. Am. Chem. Soc. 120, 3245 (1998). 

4. Femtosecond Dynamics of Solvation: Microscopic Friction and Coherent Motion in Dense Fluids, J. S. Baskin, M.Chachisvilis, M. Gupta, and A. H. Zewail, J. Phys. Chem. 102, 4158 (1998). 

5. Clocking transient chemical changes by ultrafast electron diffraction, J. C.   Williamson, J. Cao, H. Ihee, H. Frey, and A.H. Zewail, Nature 386, 159 (1997). 

6.Femtochemistry: Dynamics with Atomic Resolution, A. H. Zewail, in: Femtochemistry & Femtobiology, V. Sundström (Ed.), World Scientific, Singapore (1998). 

7. Femtosecond Real-Time Probing of Reactions: XXI Direct Observation of Transition-State Dynamics and Structure in Charge-Transfer Reactions, P. Y. Cheng, D. Zhong, and A. H. Zewail, J. Chem. Phys. 105, 6216 (1996). 

8. Femtosecond Molecular Dynamics of Tautomerization in Model Base Pairs, A. Douhal, S. K. Kim, and A. H. Zewail, Nature 378, 260 (1995). 

9. Direct Observation of The Transition State, J. C. Polanyi and A. H. Zewail, Accounts of Chemical Research (Holy-Grail Special Issue), 28, 119 (1995). 

10. The Validity of The "Diradical" Hypothesis: Direct Femtosecond Studies of the Transition-State Structures, S. Pedersen, J. L. Herek, and A. H. Zewail, Science 266, 1359 (1994). 
 
 

Some Earlier References 

11. Picosecond Photofragment Spectroscopy. IV. Dynamics of Consecutive Bond Breakage in the Reaction C2F4I2 (C2F4+2I, L. R. Khundkar and A. H. Zewail, J. Chem. Phys. 92, 231 (1990). 

12. Ultrafast Dynamics of IVR in Molecules and Reactions, P. M. Felker and A. H. Zewail, in: Jet Spectroscopy and Molecular Dynamics, eds. M. Hollas and D. Phillips (Chapman and Hall, Blackie Academic, 1995) P. 222 – Book Chapter . 

13. Molecular Structures from Ultrafast Coherence Spectroscopy, P. M. Felker and A. H. Zewail, in: Femtosecond Chemistry, eds. J. Manz and L. Wöste (VCH Publishers, Inc., New York, 1994) - Book Chapter. 

14. Ultrafast Electron Diffraction: IV. Molecular Structures and Coherent Dynamics, J. C. Williamson and A. H. Zewail, J. Phys. Chem. 98, 2766 (1994). 

15. Femtosecond Dynamics of Dissociation and Recombination in Solvent Cages, Q. Liu, J.-K. Wang, and A. H. Zewail, Nature 364, 427 (1993). 

16. Real-Time Dynamics of Clusters. III. I2Nen (n=2-4), Picosecond Fragmentation and Evaporation, M. Gutmann, D. M. Willberg, and A. H. Zewail, J. Chem. Phys. 97, 8048 (1992). 

17. Solvation Ultrafast Dynamics of Reactions: XI. Dissociation and Caging Dynamics in the Gas-to-Liquid Transition Region, Christoph Lienau and A. H. Zewail, J. Phys. Chem. 100, 18629 (1996). 

18. Femtosecond Laser Control of a Chemical Reaction, E. D. Potter, J. L. Herek, S. Pedersen, Q. Liu, and A. H. Zewail, Nature 355, 66 (1992). 

19. Optical Molecular Dephasing: Principles of and Probings by Coherent Laser Spectroscopy, A. H. Zewail, Acc. Chem. Res. 13, 360 (1980) - Review. 

20. Optical Analogues of NMR Phase Coherent Multiple Pulse Spectroscopy, W. S. Warren and A. H. Zewail, J. Chem. Phys. 75, 5956 (1981). 

21. Multiple Phase-Coherent Laser Pulses in Optical Spectroscopy. I. The Technique and Experimental Applications, W. S. Warren and A. H. Zewail, J. Chem. Phys. 78, 2279 (1983). 

22. Time-Resolved Spectroscopy of Macromolecules: Effect of Helical Structure on the Torsional Dynamics of DNA and RNA, D. P. Millar, R. J. Robbins, and A. H. Zewail, J. Chem. Phys. 74, 4200 (1981). 

23. Luminescent Solar Concentrators (LSC). I. Theory of Operation and Techniques for Performance Evaluation, J. S. Batchelder, A. H. Zewail, and T. Cole, Applied Optics 18, 3090 (1979). 

24. Local Modes: Their Relaxation, Polarization, and Stereoselective Excitation by Lasers, J. W. Perry and A. H. Zewail, J. Phys. Chem. 86, 5197 (1982). 

25. Coherent Processes in Molecular Crystals, D. M. Burland and A. H. Zewail, in: Advances in Chemical Physics, eds. I. Prigogine and S. A. Rice (John Wiley and Sons, 1979) Vol. 40, P. 369 - Book Chapter.