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Dimitris Christodoulou


Dimitris Christodoulou headshot
Dr. Dimitris M. ChristodoulouAssistant Teaching Professor

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.