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Dimitris Christodoulou

Dimitris Christodoulou headshot
Dimitris M. Christodoulou Assistant Teaching Professor

Expertise

Nonlinear Differential Equations, Linear Stability Analysis, Galaxy Dynamics, MHD, Numerical Multidimensional Simulations

Research Interests

Nonlinear Differential Equations, Linear Stability Analysis, Galaxy Dynamics, 3-D MHD, Numerical Multidimensional Fluid Simulations

Phase Transitions in Fluids, Star Formation Processes, Planet Formation, Astrophysical Jets, X-ray Binaries, Accretion Disks in Astrophysics, Dark Matter in the Universe, Solutions of the Lane-Emden Equation, Applications of Catastrophe Theory to Physical Systems

Education

  • Ph D: Physics, (1989), Louisiana State University - Baton Rouge, LA
  • MS: Physics, (1986), Louisiana State University - Baton Rouge, LA
  • BS: Physics, (1984), Aristotle University - Thessaloniki, Greece

Selected Publications

  • Laycock, S., Christodoulou, D., Williams, B.F., Binder, B., Prestwich, A. (2017). Blue Supergiant X-ray Binaries in the Nearby Dwarf Galaxy IC 10. arXiv preprint arXiv:1701.03803.
  • Christodoulou, D., Katatbeh, Q.D., Graham-Eagle, J. (2016). A criterion for oscillations in the solutions of the polytropic Lane-Emden equations. Journal of Inequalities and Applications, 2016(1) 147.
  • Christodoulou, D., Graham-Eagle, J., Katatbeh, Q.D. (2016). A program for predicting the intervals of oscillations in the solutions of ordinary second-order linear homogeneous differential equations. Advances in Difference Equations, 2016(1) 48.
  • Christodoulou, D., Gabuzda, D.C., Knuettel, S., Contopoulos, I., Kazanas, D., Coughlan, C.P. (2016). Dominance of outflowing electric currents on decaparsec to kiloparsec scales in extragalactic jets. Astronomy & Astrophysics, 591 A61.
  • Christodoulou, D. (2016). Euclidean Figures and Solids without Incircles or Inspheres. Forum Geometricorum , 16 291-298.
  • Christodoulou, D., Kazanas, D. (2016). Exact Axisymmetric Solutions of the 2-D Lane-Emden Equations with Rotation. Journal of Modern Physics, 7(15) 2177.
  • Christodoulou, D., Contopoulos, I., Kazanas, D., Steiner, J., Papadopoulos, D., Laycock, S. (2016). On the theoretical framework of magnetized outflows from stellar-mass black holes and related observations. Monthly Notices of the Royal Astronomical Society, 461(3) 2650–2657.
  • Christodoulou, D., Kazanas, D. (2016). The Case against Dark Matter and Modified Gravity: Flat Rotation Curves Are a Rigorous Requirement in Rotating Self-Gravitating Newtonian Gaseous Discs. Journal of Modern Physics, 7 680.
  • Christodoulou, D., Graham-Eagle, J., Katatbeh, Q. (2016). The intervals of oscillations in the solutions of the Legendre differential equations. Advances in Difference Equations, 2016(1) 1 - 10.
  • Katatbeh, Q.D., Christodoulou, D., Graham-Eagle, J. (2016). The intervals of oscillations in the solutions of the radial Schrödinger differential equation. Advances in Difference Equations, 2016(1) 47.
  • Laycock, S., Steiner, J.F., Maccarone, T.J., Christodoulou, D., Binder, B.A., Yang, J., Cappallo, R. (2016). The Masses of Black Holes with Wolf-Rayet Companions (15:).
  • Laycock, S., Cappallo, R., Williams, B.F., Prestwich, A., Binder, B., Christodoulou, D. (2016). The X-ray Binary Population of the Nearby Dwarf Starburst Galaxy IC 10: Variable and Transient X-ray Sources. arXiv preprint arXiv:1611.08611.
  • Christodoulou, D., Kazanas, D., Laycock, S. (2016). The X-ray Pulsar M82 X-2 on its Propeller Line. arXiv preprint arXiv:1606.07096.
  • Christodoulou, D., Laycock, S., Yang, J., Fingerman, S. (2016). Tracing the Lowest Propeller Line in Magellanic High-mass X-Ray Binaries. The Astrophysical Journal, 829(1) 30.
  • Christodoulou, D., Graham-Eagle, J., Katatbeh, Q.D. (2014). A Program for Predicting the Intervals of Oscillations in the Solutions of Ordinary Second-Order Linear Homogeneous Differential Equations.
  • Christodoulou, D., Graham-Eagle, J., Katatbeh, Q.D. (2014). The Intervals of Oscillations in the Solutions of the Legendre Differential Equations.
  • Katatbeh, Q.D., Christodoulou, D., Graham-Eagle, J. (2014). The Intervals of Oscillations in the Solutions of the Radial Schrödinger Differential Equation.
  • Gabuzda, D.C., Christodoulou, D., Contopoulos, I., Kazanas, D. (2012). Evidence for helical magnetic fields in kiloparsec-scale AGN jets and the action of a cosmic battery. Journal of Physics: Conference Series, 355(1).
  • Kylafis, N.D., Contopoulos, I., Kazanas, D., Christodoulou, D. (2012). Formation and destruction of jets in X-ray binaries. Astronomy and Astrophysics, 538.
  • Contopoulos, I., Christodoulou, D., Kazanas, D., Gabuzda, D.C. (2009). The invariant twist of magnetic fields in the relativistic jets of active galactic nuclei. Astrophysical Journal Letters, 702(2 PART 2) 0-0.
  • Christodoulou, D., Contopoulos, I., Kazanas, D. (2008). Simulations of the Poynting-Robertson cosmic battery in resistive accretion disks. Astrophysical Journal Letters, 674(1) 388-407.
  • Contopoulos, I., Kazanas, D., Christodoulou, D. (2006). The cosmic battery revisited. Astrophysical Journal Letters, 652(2 I) 1451-1456.
  • Christodoulou, D., Contopoulos, J., Kazanas, D. (2003). Interchange method in compressible magnetized Couette flow: Magnetorotational and magnetoconvective instabilities. Astrophysical Journal Letters, 586(1 I) 372-383.
  • Nishikawa, K.I., Frank, J., Christodoulou, D., Koide, S., Sakai, J.I., Sol, H., Mutel, R.L. (1998). Dynamics of relativistic jets. New Astronomy Reviews, 42(9-10) 633-636.
  • Nishikawa, K.I., Koide, S., Sakai, J.I., Christodoulou, D., Sol, H., Mutel, R.L. (1998). Three-dimensional magnetohydrodynamic simulations of relativistic jets injected into an oblique magnetic field. Astrophysical Journal Letters, 498(1 PART I) 166-169.
  • Andalib, S.W., Tohline, J.E., Christodoulou, D. (1997). A survey of the principal modes of nonaxisymmetric instability in self-gravitating accretion disk models. Astrophysical Journal, Supplement Series, 108(2) 471-487.
  • Ivezić, Ž., Christodoulou, D. (1997). Infrared search for young stars in H I high-velocity clouds. Astrophysical Journal Letters, 486(2 PART I) 818-823.
  • Christodoulou, D., Cazes, J.E., Tohline, J.E. (1997). Intrinsic nonaxisymmetric instabilities in galaxy rings. New Astronomy, 2(1) 1-30.
  • Christodoulou, D., Tohline, J.E., Keenan, F.P. (1997). Star-forming processes far from the galactic disk: Inoperative or indolent where operative. Astrophysical Journal Letters, 486(2 PART I) 810-817.
  • Nishikawa, K.I., Koide, S., Sakai, J.I., Christodoulou, D., Sol, H., Mutel, R.L. (1997). Three-dimensional magnetohydrodynamic simulations of relativistic jets injected along a magnetic field. Astrophysical Journal Letters, 483(1 PART II) 0-0.
  • Christodoulou, D., Contopoulos, J., Kazanas, D. (1996). Interchange method in incompressible magnetized couette flow: Structural and magnetorotational instabilities. Astrophysical Journal Letters, 462(2 PART I) 865-873.
  • Perry, C.L., Christodoulou, D. (1996). Interstellar reddening in the Southern Hemisphere. II. Analysis of the uvby observations. Publications of the Astronomical Society of the Pacific, 108(727) 772-816.
  • Christodoulou, D., Sarazin, C.L. (1996). Nonmagnetic and magnetized cooling flow models. Astrophysical Journal Letters, 463(1 PART I) 80-94.
  • Christodoulou, D., Shlosman, I., Tohline, J.E. (1995). A new criterion for bar-forming instability in rapidly rotating gaseous and stellar systems. I. Axisymmetric form. Astrophysical Journal Letters, 443(2) 551-562.
  • Christodoulou, D., Shlosman, I., Tohline, J.E. (1995). A new criterion for bar-forming instability in rapidly rotating gaseous and stellar systems. II. Nonaxisymmetric form. Astrophysical Journal Letters, 443(2) 563-569.
  • Christodoulou, D., Kazanas, D., Shlosman, I., Tohline, J.E. (1995). Phase-transition theory of instabilities. I. Second-harmonic instability and bifurcation points. Astrophysical Journal Letters, 446(2) 472-484.
  • Christodoulou, D., Kazanas, D., Shlosman, I., Tohline, J.E. (1995). Phase-transition theory of instabilities. II. Fourth-harmonic bifurcations and -transitions. Astrophysical Journal Letters, 446(2) 485-499.
  • Christodoulou, D., Kazanas, D., Shlosman, I., Tohline, J.E. (1995). Phase-transition theory of instabilities. III. The third-harmonic bifurcation on the Jacobi sequence and the fission problem. Astrophysical Journal Letters, 446(2) 500-509.
  • Christodoulou, D., Kazanas, D., Shlosman, I., Tohline, J.E. (1995). Phase-transition theory of instabilities. IV. Critical points on the maclaurin sequence and nonlinear fission processes. Astrophysical Journal Letters, 446(2) 510-520.
  • Dubinski, J., Christodoulou, D. (1994). Self-gravity and dissipation in polar rings. Astrophysical Journal Letters, 424(2) 615-626.
  • Peletier, R.F., Christodoulou, D. (1993). A photometric and dynamical study of the Helix galaxy NGC 2685. Astronomical Journal, 105(4) 1378-1391.
  • Christodoulou, D., Tohline, J.E. (1993). Dynamical evolution of gaseous disks in halo potentials. I. Massless rings in static, spheroidal halos. Astrophysical Journal Letters, 403(1) 110-126.
  • Christodoulou, D., Tohline, J.E., Steiman-Cameron, T.Y. (1993). Kinematical modeling of warps in the H I disks of galaxies. Astrophysical Journal Letters, 416(1) 74-103.
  • Christodoulou, D. (1993). The stability of accretion tori. V. Unstable modes and avoided crossings in extended, self-gravitating annuli. Astrophysical Journal Letters, 412(2) 696-719.
  • Christodoulou, D., Katz, N., Rix, H.W., Habe, A. (1992). Dynamical evolution of highly inclined rings. Astrophysical Journal Letters, 395(1) 113-118.
  • Christodoulou, D., Narayan, R. (1992). The stability of accretion tori. IV. Fission and fragmentation of slender, self-gravitating annuli. Astrophysical Journal Letters, 388(2) 451-466.
  • Christodoulou, D. (1991). The stability of cold, flattened, self-gravitating disks obeying other than Newtonian force laws. Astrophysical Journal Letters, 372(2) 471-477.
  • Christodoulou, D., Tohline, J.E. (1990). Phase transition time scales for cooling and isothermal media. Astrophysical Journal Letters, 363(1) 197-205.