Short CV of Peter Leth Christiansen

Curriculum Vitae of Peter Leth Christiansen

Addresses

Work:
Department of Informatics and Mathematical Modelling, Technical University of Denmark,
Building 321,
DK-2800 Kgs. Lyngby,
Denmark.
Tel: +45 4525 3096.
Fax: +45 4593 1235.
E-mail: plc@imm.dtu.dk

Home:
30, Jens Bornøsvej,
DK-2970 Hørsholm,
Denmark.
Tel: +45 4586 5872.
Birth
August 6, 1937, at Vinding, Denmark.

Education

Dr. techn., 1976, The Technical University of Denmark, on the thesis "Comparative Studies of Diffraction Processes in the Geometrical Theory of Diffraction".

Ph.D. (= Lic.techn.) in Applied Mathematics (Asymptotic Diffraction Theory), 1965, The Technical University of Denmark.

Master of Science in Electrical Engineering (Physics) 1963, The Technical University of Denmark.

Professional Experience

Professor at Department of Informatics and Mathematical Modelling, The Technical University of Denmark, 1999-

Head of Graduate School in Nonlinear Science, Center for Modelling, Nonlinear Dynamics and Irreversible Thermodynamics (MIDIT), DTU, Optics and Fluids, Risø National Laboratory, and Chaos and Turbulence Studies (CATS), Niels Bohr Institute and H. C. Ørsted Institute, University of Copenhagen, 1997-2000

Visiting Fellow at Optical Sciences Center, Australian National University, 1996

Docent at the Laboratory of Applied Mathematical Physics and Department of Mathematical Modelling, The Technical University of Denmark, 1989-1999

Visiting Professor, 1988-89, at Institute for Mathematics and Its Applications, University of Minnesota; Dept. of Mathematics, The University of Arizona; Center for Nonlinear Studies, Los Alamos National Laboratory; Dipartimento di Matematica e Applicazioni, University of Naples

Chairman/Secretary for Center for Modelling, Non-Linear Dynamics and Irreversible Thermodynamics (MIDIT), The Technical University of Denmark, 1985-89, 90-

Head of the Laboratory of Applied Mathematical Physics, 1977-1979, 1981-1989

Associate Professor 1968-89 at the Laboratory of Applied Mathematical Physics, The Technical University of Denmark

Visiting Member and Associate Professor, 1969-1970, at Courant Institute of Mathematical Sciences, New York University

Assistant Professor 1966-68 at the Laboratory of Applied Mathematical Physics, The Technical University of Denmark,

Research Associate, 1965-1966, at The University of Michigan Radiation Laboratory.

Publications
Author of more than 150 research papers in international refereed journals and 80 conference proceedings contributions. Recent publications

Edited books

Nonlinear Science at the Dawn of the 21st Century (eds. P.L. Christiansen, M. P. Sørensen, and A. C. Scott), Springer, Berlin, 458 + 26 pp. (2000).

Coherent structures and collapse

P.L. Christiansen, Yu.B. Gaididei, M. Johansson, K.Ø. Rasmussen, D. Usero, and L. Vazquez, "Stabilization of nonlinear excitations by disorder", Phys. Rev. B 56, 14407-14413 (1997).

Yu.B. Gaididei, D. Henriksen, P. L. Christiansen, and K.Ø. Rasmussen, "Stationary states of the two-dimensional Schrödinger model with disorder", Phys. Rev. B 58, 3075-3081 (1998).

Yu. B. Gaididei, J. Schjødt-Eriksen, P. L. Christiansen, and K. Ø. Rasmussen, " Collapse arresting in an inhomogeneous quintic nonlinear Schrödinger model" Phys. Rev. E 60, 4877-4890 (1999).

P. D. Miller and P. L. Christiansen," A Coupled Korteweg-de Vries System and Mass Exchanges Among Solitons," Physica Scripta 61, 518-525 (2000).

A. A. Sukhorukov, Yu. S. Kivshar, O. Bang, J. Juul Rasmussen, and P. L. Christiansen," Nonlinearity and disorder: Classification and stability of nonlinear impurity modes" Phys. Rev. E 63 036601-(1-18) (2001).

J. Schjødt-Eriksen, Yu. B. Gaididei, and P. L. Christiansen," Collapse arresting in an inhomogeneous two-dimensional nonlinear Schrödinger model" Phys Rev. E, 64, 066141-(1-15) (2001).

B. leMesurier and P. L. Christiansen, " Regularisation and control of self-focussing in the 2D cubic Schrödinger equation by linear potentials," (submitted).

Nonlinear optics

C. Balslev Clausen, O. Bang, Yu. S. Kivshar, and P.L. Christiansen, "Effect of fluctuating phase mismatch on spatial solitons in quadratic media", Opt. Lett. 22, 271-273 (1997).

L. Bergé, M.R. Schmidt, J. Juul Rasmussen, P.L. Christiansen, and K.Ø. Rasmussen, "Amalgamation of interacting light beamlets in Kerr-type media", J. Opt. Soc. Am. B 14, 2550-2562 (1997).

O. Bang, P.L. Christiansen, and C. Balslev Clausen, "Stationary solutions and self-trapping in discrete quadratic nonlinear systems", Phys. Rev. E 56, 7257-7266 (1997).

M. Quiroga-Teixeiro, C. Balslev Clausen, M.P. Sørensen, P.L. Christiansen, and P.A. Andrekson, "Passive mode-locking by dissipative four wave mixing" J. Opt. Soc. Am. B 15, 1-7 (1998).

J. Schjødt-Eriksen, M. R. Schmidt, J. Juul Rasmussen, P. L. Christiansen, Yu. B. Gaididei, and L. Bergé, "Two-beam interaction in saturable media", Physics Lett. A 246, 423-428 (1998).

V. V. Konotop, M. D. Cunha, P. L. Christiansen, and C. Balslev Clausen, Three-wave interaction in two-component quadratic nonlinear lattices", Phys. Rev. E 60, 6104-6110 (1999).

C. Balslev Clausen, P. L. Christiansen, L. Torner, and Yu. B. Gaididei, "Engineered nonlinear lattices" Phys. Rev. E R5064-R5067 (1999).

Ole Bang, C. Balslev Clausen, P. L. Christiansen, and L. Torner " Engineering competing nonlinearities ", Optics Lett., 24, 1413-1415 (1999).

Yu. B. Gaididei and P. L. Christiansen, "Spatiotemporal collapse in nonlinear waveguides with randomly fluctuating refractive index", Optics Letters 23, 1090-1092 (1998).

C. Balslev Clausen, Yuri B. Kivshar, Ole Bang, and P. L. Christiansen, "Quasiperiodic Envelope Solitons" Phys. Rev. Lett. 23, 4740-4743 (1999).

L. Bergé, V. K. Mezentsev, J. Juul Rasmussen, P. L. Christiansen, and Yu. B. Gaididei," Self-light in layered nonlinear media," Optics Letters 25, 1037-1039 (2000).

Yu. S. Kivshar, A. A. Sukhorukov, E. A. Ostrovskaya, T. J. Alexander, O. Bang. S. M. Saltiel, and C. Balslev Clausen," Multi-component optical solitary waves," Physica A 288, 152-173 (2000).

P. L. Christiansen, J. C. Eilbeck, V. Z. Enolskii, and N. A. Kostov, "Quasi-periodic and periodic solutions for systems of coupled nonlinear Schrödinger equations" Proc. R. Soc. Lond. 456, 2263-2281 (2000).

J. Schjødt-Eriksen, J. V. Moloney, E. M. Wright, Q. Feng, and P. L. Christiansen, " Polarization instability of femtosecond pulse splitting in normally dispersive self-focusing media," Optics Letters 26, 78-80 (2001).

J. Schjødt-Eriksen, J. V. Moloney, E. M. Wright, and P. L. Christiansen, " Pulse-Splitting of modulationally unstable femtosecond pulses" (submitted).

Yu. B. Gaididei, P. L. Christiansen, and P. S. Ramanujam," Theory of photoinduced deformation of molecular films," Appl. Phys. B 74, 139-146 (2002).

M. Bache, Yu. B. Gaididei, and P. L. Christiansen," Nonclassical statistics of intracavity coupled X⁽²⁾waveguides " (submitted).

Bose-Einstein condensates

Tuszynski, J. A., Middleton, J., Christiansen, P. L., Dixon, J. M., " Exact eigenfunctions of the linear ramp potential in the Gross-Pitaevskii equation for the Bose-Einstein condensate," Physics Letters A, 291, 220-225 (2001).

Sine-Gordon systems and fluxon-based electronic superconducting components

P.L. Christiansen, N. Grønbech-Jensen, P.S. Lomdahl, and B.A. Malomed, "Oscillations of eccentric pulsons", Physica Scripta 55, 131-134 (1997).

A. Petraglia, N.F. Pedersen, P.L. Christiansen, and A.V. Ustinov, "Comparative dynamics of two-dimensional shorted arrays and continuous stacked Josephson junctions", Phys. Rev. B 55, 8490-8496 (1997).

C. Gorria, P.L. Christiansen, Yu. B. Gaididei, V. Muto, N. F. Pedersen, and M. P. Sørensen N. F. Pedersen,"Fluxon Dynamics in Three Stacked Josephson Junctions, " Phys. Rev. B (brief communication, accepted).

C. Gorria, P.L. Christiansen, Yu. B. Gaididei, V. Muto, N. F. Pedersen, and M. P. Sørensen, " Fluxons and Their Interactions in Three Stacked Josephson Junctions " (in progress).

Lattice dynamics and molecular dynamics

M.F. Jørgensen and P.L. Christiansen, "Self-trapping and blow-up in integrable dimers", J. Phys. A: Math. Gen. 31, 969-976 (1998).

D. Ellinas, M. Johansson, and P.L. Christiansen, "Quantum nonlinear lattices and coherent state vectors", Physica D 134, 126-143 (1999).

P.L. Christiansen, Yu.B. Gaididei, M. Johansson, and K.Ø. Rasmussen, "Breatherlike excitations in discrete lattices with noise and nonlinear damping", Phys. Rev. B 55, 5759-5766 (1997).

P.L. Christiansen, A.V. Savin, and A. V. Zolotaryuk, "Soliton Analysis in Complex Molecular Systems: A Zig-Zag Chain", J. Comp. Phys. 134, 108-121 (1997).

Yu.B. Gaididei, P.L. Christiansen, K.Ø. Rasmussen, and M. Johansson "Two-dimensional effects in nonlinear Kronig-Penney models", Phys. Rev. B 55, R13-365-368 (1997).

P.L. Christiansen, P. Maniadis, and G.P. Tsironis, "Exact solution of a generalized Schrödinger equation dimer", Physica Scripta 57, 192-94 (1998).

Yu.B. Gaididei, S.F. Mingaleev, P.L. Christiansen, and K.Ø. Rasmussen, "Effects of nonlocal dispersive interactions on self-trapping excitations" Phys. Rev. E 55, 6141-6149 (1997).

K.Ø. Rasmussen, P.L. Christiansen, M. Johansson, Yu.B. Gaididei, and S.F. Mingaleev, "Localized excitations in discrete nonlinear Schrödinger systems: Effects of nonlocal dispersive interactions and noise", Physica D 113, 134-151 (1998).

P.L. Christiansen, Yu.B. Gaididei, M. Johansson, K.Ø. Rasmussen, V.K. Mezentsev, and J. Juul Rasmussen, "Solitary excitations in discrete two-dimensional nonlinear Schrödinger models with dispersive dipole-dipole interactions", Phys. Rev. B 57, 11303-11318 (1998).

M. Johansson, Yu.B. Gaididei, P.L. Christiansen, and K.Ø. Rasmussen, "Switching between bistable states in a discrete nonlinear model with long-range interaction", Phys. Rev. E 57, 4739-4742 (1998).

M. Johansson, S. Aubry, Yu.B. Gaididei, P. L. Christiansen, and K.Ø. Rasmussen, "Dynamics of breathers in discrete nonlinear Schrödinger models", Physica D 119, 115-124 (1998).

P.L. Christiansen, A. V. Savin, and A. V. Zolotaryuk, "Topological solitons and dislocations in two- and three-dimensional anisotropic crystals", Phys. Rev. B 57 13564-13572 (1998).

Y. Zolotaryuk, A. V. Savin, and P. L. Christiansen, "Solitary plane waves in an isotropic hexagonal lattice", Phys. Rev. B 57 14213-14227 (1998).

Y. Zolotaryuk, P. L. Christiansen, J. Juul Rasmussen, "Polaron dynamics in a 2D anharmonic Holstein model", Phys. Rev. B 58, 14305-14319 (1998).

Yu. B. Gaididei, S. F. Mingaleev, and P. L. Christiansen," Curvature-induced symmetry breaking in nonlinear Schrödinger models " Phys. Rev. E 62, R62-R56 (2000).

A. V. Zolotaryuk, P. L. Christiansen, B. Nordén, A. V. Savin, and Y. Zolotaryuk, "The pendulum as a model system for driven rotation in molecular nanoscale machines" Phys. Rev. E 61, 3256-3259 (2000).

A. V. Savin, L. I. Manevitch, P. L, Christiansen, and A. V. Zolotaryuk "Nonlinear Dynamics of zigzag molecular chains", Uspekhi Fizicheskikh Nauk, Russian Academy of Sciences 169, 255-270 (1999) (in Russian); Physics-Uspekhi 42, 245-260 (1999).

E. A. Ostrovskaya, S. F. Mingaleev, Yu. S. Kivshar, Yu. B. Gaididei, and P. L. Christiansen, " Multi-soliton energy transport in anharmonic lattices " Phys. Lett. A 282, 157-162 (2001).

P. L. Christiansen, Yu. B. Gaididei, and S. F. Mingaleev, "Effects of finite curveture on soliton dynamics in a chain of non-linear oscillators," J. Phys.: Condens. Matter 13, 1181-1192 (2001).

J. F. R. Archilla, P. L. Christiansen, S. F. Mingaleev, and Yu. B. Gaididei, " Numerical study of breathers in a bent chain of oscillators with long range interaction "J. Phys. A: Math. Gen. 34, 6363-6373 (2001).

P. L. Christiansen, A. V. Savin, J. M. Khalack, and A. V. Zolotaryuk, " Twisted topological solitons and dislocations in polymer crystal" Phys. Rev. B, 65, 054106-(1-10) (2002).

B. Nordén, Y. Zolotaryuk, P. L. Christiansen, and A. V. Zolotaryuk, "Ratchet due to broken friction symmetry,", Appl. Phys. Lett. 80, 2601-2603 (2002). Discussed in: "Noise put to work", Nature, Science Update, April 29, 2002.

J. M. Khalack, P. L. Christiansen, A. V. Savin, and A. V. Zolotaryuk, " Molecular dynamics simulations of the jog dynamics in NaCl under ultrasound load crystal" (in progress).

Biophysics and biomolecular dynamics

P.L. Christiansen, A.V. Zolotaryuk, and A.V. Savin, "Solitons in an isolated helix chain", Phys. Rev. E 56, 877-889 (1997).

S. F. Mingaleev, P. L. Christiansen, Yu. B. Gaiddei, M. Johansson, and K. Ø. Rasmussen, " Models for Energy and Charge Transport and Storage in Biomolecules " J. Biol. Phys. 25, 41-63 (1999).

A. V. Zolotaryuk, P. L. Christiansen, B. Nordén, and A. V. Savin, "Soliton and ratchet motions in helices", Condensed Matter Phys. 2, 293-302 (1999).

O. V. Aslanidi, O. A. Mornev, O. Skyggebjerg, P. Arkhammer, O. Thastrup, M. P. Sørensen, P. L. Christiansen, K. Conradsen, and A. C. Scott, "Excitation Wave Propagation as Possible Mechanism for Signal Transmission in Pancreatic Islets of Langerhans," Biophysical J. 80, 1195-1209 (2001).

Christiansen, P. L., Gaididei, Y. B., Mertens, F. G., Mingaleev, S. F.," Multi-component structure of nonlinear excitations in systems with length-scale competition, " Eur. Phys. J. B, vol. 19, 545-553 (2001).

O. V. Aslanidi, M. Vesterager, O. A. Mornev, M. P. Sørensen, and P. L. Christiansen, " A Model for Glucose-Induced Wave Propagation in Pancreatic Islets of Langerhans," J. theor. Biol. 215, 273-286 (2002).

M. Vesterager, O. V. Aslanidi, M. P. Sørensen, and P. L. Christiansen," Role of spatial phenomena in bursting pancreatic islets, " (submitted).

S. F. Mingaleev, Yu. B. Gaididei, P. L. Christiansen, and Yu. S. Kivshar, "Nonlinearity-induced conformational dynamics of biomolecular macromolecules," Europhys. Lett. 59, 403-409 (2002).

J. F. R. Archilla, P. L. Christiansen, and Yu. B. Gaididei, " Interplay of nonlinearity and geometry in a DNA-related, Klein-Gordon model og long-range dipole-dipole interaction " Phys. Rev. E 65, 016609-(1-6) (2002).

J. F. R. Archilla, Yu. B. Gaididei, P. L. Christiansen, and J. Cuevas, " Stationary and moving breathers in a simplified model of curved alpha-helix proteins " J. Phys. A: Math. Gen. (accepted).

V. M. Karpan, Y. Zolotaryuk, P. L. Christiansen, and A. V. Zolotaryuk " Discrete kink dynamics in hydrogen-bonded chains I: The one-component model" (submitted).

V. M. Karpan, Y. Zolotaryuk, P. L. Christiansen, and A. V. Zolotaryuk " Discrete kink dynamics in hydrogen-bonded chains II: The two-component model" (in progress).

A. V. Zolotaryuk, V.N. Ermakov, Y. Zolotaryuk, P. L. Christiansen, and B. Nordén "Rotary Motion in F₁ATPase: Towards a Minimal Model" (in progress).

Research collaboration

Los Alamos National Laboratory and several other institutions.
Participant in four EU networks on Superconduction, Nonlinear Approach to Coherent and Fluctuating Processes in Condensed Matter and Optical Physics, and Localisation by Nonlinearity and Spatial Discreteness, and Energy Transfer, in Crystals, Biomolecules and Josephson Arrays.
Editorial responsibilities Editor of:
Journal of Biological Physics (1991-97)
Physica Scripta (1989-99)

Referee for about 15 international journals in mathematics, applied mathematics, physics and engineering.

Editor of 7 books and conference proceedings:

Referee for

EU CODEST Committee
NATO Scientific Affairs Division
SERC, UK
International Science Foundation, Washington
German-Israel Foundation for Scientific Reseach and Development (GIF)
INTAS
and for several universities (evaluations for promotion and of Theses).

Administrative responsibilities
Scientific and administrative coordinator:

US Army, European Reseach Office, London. Two research contracts 1982-85 and 1985-88.

Nato Scientific Affairs, Bruxelles. Research grant 1985-87.

EU, Bruxelles. Research contracts under the Stimulation Program 1985-87, the Science Program 1989-93, HCM Euroconference Program 1994, and the INTAS Program 1994-97

Several research grants from Danish public and private foundations.

Award

Rheinholdt W. Jorck og Hustrus Fonds pris 1985.