DR. WITSE VAN DIJK
EDUCATION
Ph.D. (1968), Nuclear Theory, McMaster University
Dissertation: "Realistic soft-core potentials in the bound three-nucleon system."
B.Sc. (1964), Applied Mathematics and Theoretical Physics, McMaster University
RESEARCH INTERESTS
- Current research deals with the study of time-dependent quantum systems such as alpha decay and bremsstrahlung, (nuclear) scattering, multi-channel systems, quantum computing, temporal behaviour of quasistable systems, etc.
RESEARCH FUNDING
Alpha decay and associated bremsstrahlung and problems in time-dependent quantum mechanics, NSERC Discovery Grant, 2005-2010.
RECENT PUBLICATIONS
PUBLICATIONS
J. Martorell, D.W.L. Sprung, W. van Dijk, and J.G. Muga, Memory effects induced by initial switching conditions, Physical Review A 79, 062104 (12 pages) (2009).
D. W. L. Sprung, W. van Dijk, J. Martorell, and D. B. Criger, Asymptotic approxi- mations to Clebsch-Gordan coeffcients from a tight-binding model, American Journal of Physics 77, 552-561 (2009).
F.M. Toyama, S. Kasai, W. van Dijk, and Y. Nogami, Matched-multiphase Grover algorithm for a small number of marked states, Physical Review A 79, 014301 (4 pages) (2009).
D. W. Sprung, L. W. Vanderspek, W. van Dijk, J. Martorell, and C. Pacher, Biperi- odic superlattices and the transparent state, Physical Review B 77, 035333 (9 pages) (2008).
W. van Dijk, K. Spyksma, and M. West, Nonthreshold anomalous time advance in multichannel scattering, Physical Review A 78, 022108 (12 pages) (2008).
D.W.L. Sprung, W. van Dijk, C.N. Veenstra, and J. Martorell, Electron transmission and phase time in semiconductor superlattices, Canadian Journal of Physics 86, 515- 522 (2008).
F.M. Toyama, W. van Dijk, Y. Nogami, M. Tabuchi, and Y. Kimura, Multiphase matching in the Grover algorithm, Physical Review A 77, 042324 (8 pages) (2008).
W. van Dijk and F. M. Toyama, Accurate numerical solutions to the time-dependent Schr?odinger equation, Physical Review E 75, 036707 (10 pages) (2007).
R. K. Bhaduri, W. van Dijk, and M. K. Srivastava, Semiclassical corrections to the interaction energy of a hard-sphere Boltzmann gas, European Journal of Physics 27, 1323-1329 (2006).
S. V. Melnichuk, W. van Dijk, and Y. Nogami, Approximations of time-dependent phenomena in quantum mechanics: Adiabatic versus sudden processes, European Jour- nal of Physics, 26, 121-136 (2005); Addendum 26, 543 (2005).
W. van Dijk, K.A. Kiers, Y. Nogami, A. Platt, and K. Spyksma, Quantum me- chanical and semi-classical treatment of quantum excitations due to the passage of a particle, Journal of Physics A: Mathematical and General 36, 5625-5643 (2003).
Y. Nogami, F.M. Toyama, and W. van Dijk, The Dirac equation with a confining potential, American Journal of Physics 71, 950-951 (2003).
W. van Dijk and Y. Nogami, Model study of bremsstrahlung in alpha decay, Few-Body Systems Supplement 14, 229-232 (2003).
W. van Dijk and Y. Nogami, Comment on "Resonant spectra and the time evolution of the survival and nonescape probabilities", Physical Review Letters 90, 028901-1 (2003).
W. van Dijk and Y. Nogami, Analytical approach to the wave function of a decay- ing quantum system, Physical Review C 65, 024608 (14 pages) (2002); Errata 70, 039901(E) (2004).
THESIS SUPERVISED
Ian Breukelaar, Atomic excitation caused by decay of the nucleus, M.Sc., McMaster University (2006).
PROFESSIONAL MEMBERSHIPS AND ASSOCIATIONS
American Physical Society
CROSS APPOINTMENTS
Adjunct Professor, Department of Physics and Astronomy, McMaster University