Publications in peer reviewed journals

20. “Multi-soliton solutions and data-driven discovery of higher-order Burgers' hierarchy equations with physics informed neural networks, D. A. Kaltsas, L. Magafas, P. Papadopoulou, G. N. Throumoulopoulos, Chaos, Solitons & Fractals 194, 116224  (2025). arXiv

19. "New axisymmetric equilibria with flow from an expansion about the generalized Solov'ev solution", A. I. Kuiroukidis, D. A. Kaltsas, G. N. Throumoulopoulos, Phys. Plasmas 32, 022509 (2025). arXiv 

18. "Constrained Hamiltonian systems and Physics Informed Neural Networks: Hamilton-Dirac Neural  Networks", D. A. Kaltsas,  Physical Review E 111, 025301  (2025). arXiv 

17. "Axisymmetric hybrid Vlasov equilibria with applications to tokamak plasmas", D. A. Kaltsas, A. Kuiroukidis, P. J. Morrison, G. N. Throumoulopoulos, Plasma Phys. Control. Fusion 66, 065016 (2024). arXiv

16. "A similarity reduction of the generalized Grad-Shafranov equation", A. I. Kuiroukidis, D. A. Kaltsas, G. N. Throumoulopoulos, Phys. Plasmas 31, 042503 (2024) . arXiv

15.  "Analytic Hall Magnetohydrodynamics toroidal equilibria via the energy-Casimir variational principle", A. Giannis, D. A. Kaltsas and G. N. Throumoulopoulos, Plasma Phys. Control. Fusion 66 015002 (2024). arXiv

14.  "Chaotic and integrable magnetic fields in one-dimensional hybrid Vlasov-Maxwell equilibria", D. A. Kaltsas, P. J. Morrison and G. N. Throumoulopoulos, J. Plasma Phys. 89, 905890403 (2023). arXiv

13"Neural Network tokamak equilibria with incompressible flows", D. A. Kaltsas and G. N. Throumoulopoulos, Physics of Plasmas 29, 022506 (2022). arXiv

12.  "Hamiltonian kinetic-Hall Magnetohydrodynamics with fluid and kinetic ions in the current and pressure coupling schemes", D. A. Kaltsas, G. N. Throumoulopoulos, and P. J. Morrison, J. Plasma Phys. 87, 835870502 (2021). arXiv

11. "Energy-Casimir, dynamically accessible, and Lagrangian stability of extended magnetohydrodynamic equilibria", D. A. Kaltsas, G. N. Throumoulopoulos, and P. J. Morrison, Physics of Plasmas 27, 012104 (2020).  arXiv

10. "A discrete Nambu bracket for 2D extended Magnetohydrodynamics", D. A. Kaltsas, M. Kraus, and G. N. Throumoulopoulos, Journal of Physics: Conference Series 1391, 012037 (2019). arXiv 

9. "A tokamak pertinent analytic equilibrium with plasma flow of arbitrary direction", D. A. Kaltsas, A. Kuiroukidis, and G. N. Throumoulopoulos, Physics of Plasmas 26, 124501 (2019). arXiv

8. "Ellipticity conditions for the extended MHD Grad-Shafranov-Bernoulli equilibrium equations", D. A. Kaltsas, G. N. Throumoulopoulos, and P. J. Morrison, Physics of Plasmas 26, 024501 (2019). arXiv

7.  "2D magnetofluid models constructed by a priori imposition of conservation laws", D. A. Kaltsas and G. N. Throumoulopoulos, Physics Letters A 383, 1031 (2019). arXiv

6. "A generalized Grad-Shafranov equation with plasma flow under a conformal coordinate transformation", A. Kuiroukidis, D. Kaltsas, and G. N. Throumoulopoulos, Physics of Plasmas 25, 094501 (2018). arXiv

5. "Helically symmetric extended MHD: Hamiltonian formulation and equilibrium variational principles", D. A. Kaltsas, G. N. Throumoulopoulos, and P. J. Morrison, Journal of Plasma Physics 84, 745840301 (2018). arXiv

4.  "Special ideal MHD equilibria with incompressible flow", G. N. Throumoulopoulos, D. A. Kaltsas, A. Evangelias and A. Kuiroukidis, Physics Letters A 382, 321 (2018). 

3. "Translationally symmetric extended MHD via Hamiltonian reduction: Energy-Casimir equilibria", D. A. Kaltsas, G. N. Throumoulopoulos, and P. J. Morrison, Physics of Plasmas 24, 092504  (2017). arXiv

2.  "Exact solutions of the Grad–Shafranov equation via similarity reduction and applications to magnetically confined plasmas", D. A. Kaltsas and G. N. Throumoulopoulos, Physics Letters A 380, 3373 (2016). arXiv

1. "Generalized Solovev equilibrium with sheared flow of arbitrary direction and stability consideration", D. A. Kaltsas and G. N. Throumoulopoulos, Physics of Plasmas 21, 084502 (2014). 


Publications in conference proceedings

4. Hybrid, tokamak-pertinent equilibria with toroidal plasma rotation, D. A. Kaltsas, A. Kuiroukidis, P. J. Morrison, G. N. Throumoulopoulos, 50th EPS Conference on Contr. Fusion and Plasma Phys, 8-12 July 2024, P2.051 (2024). [paper]

3. "Διατηρητική διακριτοποίηση ανώτερης τάξης για τη προσομοίωση ροών πλάσματος κατά τη μαγνητική επανασύνδεση χωρίς συγκρούσεις" Δημήτριος Καλτσάς, 12ο Πανελλήνιο Συνέδριο Φαινομένων Ροής Ρευστών ΡΟΗ 2024, 138-147 (2024). [Paper]

2. "Certain developments on the equilibrium of magnetized plasmas", A. Evangelias , D. A. Kaltsas, A. Kuiroukidis, P. J. Morrison, G. Poulipoulis, and G. N. Throumoulopoulos, 45th EPS Conference on Plasma Physics, P1.1048 (2018). arXiv

1. "Normal and reversed magnetic shear Tokamak equilibria with sheared flows of arbitrary direction", D. A. Kaltsas  and G. N. Throumoulopoulos, 43rd EPS  Conference on Plasma Physics, P2.073 (2016).