Faculty details

Prof.Ritwik Mondal

Designation: Assistant Professor

Department: Physics

Email: ritwik[at]iitism[dot]ac[dot]in

Contact Number:

Office Number: +91-326-223-5138

Personal Page: Click Here

Research Interest: Theoretical Condensed Matter, Ultrafast Spin Dynamics, Topological Magnetism, THz Spintronics, Magnons, Noncollinear Magnetism, Relativistic Spin-photon Interactions

Teaching

Academic Year: 2025 - 2026

  • NPHD510: Advanced Condensed Matter Physics (Monsoon Semester, PG course)

  • PHO301: Low Temperature Physics and Superconductivity (Winter Semester, UG Course)

Academic Year: 2024 - 2025

  • PHD509: Advanced Condensed Matter Physics (Monsoon Semester, PG course)

  • PHE202: Materials Science and Engineering (Winter Semester, UG Course)

Academic Year: 2023 - 2024

  • PHC572:  Theoretical Physics (Monsoon Semester, Ph.D. Course)

  • PHI101: Thermal and Statistical Physics (Monsoon Semester, B. Tech. UG Course)

  • PHI101: Thermal and Statistical Physics (Winter Semester, UG Course)

  • PHE202: Materials Science and Engineering (Summer Semester, UG Course)

  •  PHI101: Thermal and Statistical Physics (Summer Semester, UG Course)

Academic Year: 2022 - 2023

  • PHC572:  Theoretical Physics (Monsoon Semester, Ph.D. Course)

  • PHI101: Thermal and Statistical Physics (Monsoon Semester, UG Course)

  • PHD573: Physics of Semiconducting Materials and Devices (Winter Semester, Ph.D. course)

  • PHI101: Thermal and Statistical Physics (Winter Semester, B. Tech. UG Course)

Academic Year: 2021 - 2022

  • PHI101: Thermal and Statistical Physics (Winter Semester, UG Course)

 

Academics

2013 - 2017: PhD Research Scholar, Uppsala Universitet, Sweden
2010 - 2012: MSc in Physics, IIT Bombay, India
2007 - 2010: BSc in Physics (Hons.), Ramakrishna Mission Vidyamandira, Belur Math, Howrah

Position

April 2022 - Present: Assistant Professor (Grade I), Department of Physics, IIT (ISM) Dhanbad, India           
Jan. 2021 - Mar. 2022: International VR postdoctoral researcher at the Institute of Physics at the Czech Academy of Sciences, Prague, Czech Republic
Jan. 2019 - Dec. 2020: Alexander von Humboldt postdoctoral fellow, Universität Konstanz, Baden-Württemberg, Germany
Jan. 2018 - Dec. 2018: Postdoctoral researcher, Universität Konstanz, Baden-Württemberg, Germany   
Nov. 2017 - Dec. 2017:  Postdoctoral position, Uppsala Universitet, Sweden   

Awards and Honors

  1. Paired Early Career Fellowship in Applied Research (PECFAR) award by the Indo-German Science and Technology Centre (IGSTC), Delhi to visit the University of Mainz, Germany (2024)
  2. Received VR International Postdoctoral Fellowship from the Swedish Research Council (2020) 
  3. Received Alexander von Humboldt postdoctoral fellowship (2019) 
  4. Recipient of ‘Zukunftskolleg Mentorship’ fellowship by the University of Konstanz (2018)
  5. Secured AIR 42 in JAM-2010 (conducted by all IITs) among more than 5000 students (2010) 
  6. Recipient of INSPIRE Scholarship by Department of Science and Technology (2007)

Publications

List Of Research Publications (only in Peer-reviewed Journals)

2025

33. M. Raza, R. Mondal, A. Udai, Z. Alam, Modeling and Experimental Validation of Transient Surface Roughness in Magnetorheological Finishing using 3-D Magnetic Flux Density J. Magn. Magn. Mater. xx, xxxxx (2025)

32. A. Dutta, C. Tzschaschel, D. Priyadarshi, K. Mikuni, T. Satoh, R. Mondal, S. Pal, Evidence of relativistic field-derivative torque in nonlinear THz response of magnetization dynamics Adv. Func. Mater. 2414582 (2025) 

2024

31. A. Dutta, P. Mukherjee, S. P. Sarangi, S. Bhattacharjee, S. Pal, R. Mondal*, Role of material-dependent properties in THz field-derivative-torque-induced nonlinear magnetization dynamics Phys. Rev. Mater. 8, 114404 (2024) 

30. S. Ghosh, M. Cherkasskii, I. Barsukov, R. Mondal*, Theory of tensorial magnetic inertia in terahertz spin dynamics Phys. Rev. B 110, 174430 (2024)

29. R. Rodriguez, M. Cherkasskii, R. Jiang, R. Mondal, A. Etesamirad, A. Tossounian, B. Ivanov, I. Barsukov, Spin inertia and auto-oscillations in ferromagnets Phys. Rev. Lett. 132, 246701 (2024)
This publication has been selected as Editor's Suggestion

28. P. Dhali, R. Mondal*, Theory of tensorial Gilbert damping in antiferromagnets J. Phys.: Condens. Matter 36, 255804 (2024)

27. M. Cherkasskii, R. Mondal, L. Rózsa, Inertial spin waves in spin spirals  Phys. Rev. B 109, 184424 (2024)

26. S. Parchenko, D. Pecchio, R. Mondal, P. M. Oppeneer, A. Scherz, Magnetization precession after non-collinear dual optical excitation J. Appl. Phys. 135, 173902 (2024)
This publication has been selected as Editor's Pick (EP) 

2023

25. R. Mondal*, L. Rózsa, M. Farle, P. M. Oppeneer, U. Nowak, M. Cherkasskii, Inertial effects in ultrafast spin dynamics J. Magn. Magn. Mater 579, 170830 (2023)

2022

24. R Mondal*, L. Rózsa, Inertial spin waves in ferromagnets  and antiferromagnets Phys. Rev. B 106, 134422 (2022)

23.  M. Cherkasskii, I. Barsukov, R. Mondal, M Farle, A. Semisalova, Theory of inertial spin dynamics in anisotropic ferromagnets Phys. Rev. B 106, 054428 (2022)

22. J. Li, C.-J. Yang, R. Mondal*, C. Tzschaschel*, S. Pal*, A perspective on nonlinearities in coherent magnetization dynamics Appl. Phys. Lett. 120, 050501 (2022)   

2021

21. R. Mondal*, A. Kamra, Spin pumping at terahertz nutation resonances Phys. Rev. B 104, 214426 (2021)

20.  R. Mondal* and P. M. Oppeneer, Influence of inter-sublattice coupling on the terahertz nutation spin dynamics in antiferromagnets Phys. Rev. B 104, 104405 (2021)

19. R. Mondal*, Theory of magnetic inertial dynamics in two-sublattice ferromagnets J. Phys.: Condens. Matter 33, 275804 (2021)  

18. R. Mondal*, A. Donges, U. Nowak, Terahertz spin dynamics driven by an optical spin-orbit torque Phys. Rev. Research 3, 023116 (2021) 

17. R. Mondal*, S. Großenbach, L. Rósza, U. Nowak, Nutation in antiferromagnetic resonance Phys. Rev. B 103, 104404 (2021) 

2020

16. N. Y. Schmidt, R. Mondal, A. Donges, J. Hintermayr, C. Luo, H. Ryll, F. Radu, L. Szunyogh, U. Nowak, M. Albrecht, L10-ordered Fe(100-x)Cr(x)Pt thin films: Phase formation, morphology, and spin structure  Phys. Rev. B 102, 214436 (2020) 

15. R. Mondal* and P. M. Oppeneer, Dynamics of the relativistic electron spin in an electromagnetic field J. Phys.: Condens. Matter 32, 455802 (2020)

2019

14. R. Mondal*, A. Donges, U. Ritzmann, P. M. Oppeneer, U. Nowak, Terahertz spin dynamics driven by a field-derivative torque Phys. Rev. B 100, 060409(R) (2019)

2018

13. R. Mondal*, M. Berritta, P. M. Oppeneer, Unified theory of magnetization dynamics with relativistic and nonrelativistic torques, Phys. Rev. B 98, 214429 (2018)

12. R. Mondal*, M. Berritta, A. K. Nandy, P. M. Oppeneer, On the origin of magnetic inertia: a rigorous relativistic Dirac theory derivation, Proc. SPIE 10732, Spintronics XI, 107322E (2018) 

11. R. Mondal*, M. Berritta, P. M. Oppeneer, Generalisation of Gilbert damping and magnetic inertia parameter as a series of higher-order relativistic terms,  J. Phys.: Condens. Matter 30, 265801 (2018)

2017

10. R.Mondal*, Relativistic theory of laser-induced magnetization dynamics, PhD thesis, Uppsala: Acta Universitatis Upsaliensis, 2017 

9. R. Mondal*, M. Berritta, A. K. Nandy, P. M. Oppeneer, Relativistic theory of magnetic inertia in ultrafast spin dynamics, Phys. Rev. B 96, 024425 (2017)

This publication has been selected as Editor's Suggestion

8. R. Mondal*, M. Berritta, P. M. Oppeneer, Signatures of relativistic light-spin coupling in ultrafast magneto-optical pump-probe experiments, J. Phys.: Condens. Matter 29, 194002 (2017) 

This publication has been featured in JPhys+ News Views

7. R. John, M. Berritta, D. Hinzke, C. Müller, T. Santos, H. Ulrichs, P. Nieves, J. Walowski, R. Mondal, O. Chubykalo-Fesenko, J. McCord, P. M. Oppeneer, U. Nowak, M. Münzenberg, Magnetization switching of FePt nanoparticle recording medium by femtosecond laser pulses, Sci. Rep. 7, 4114 (2017)

2016

6. C. Paillard, R. Mondal, M. Berritta, B. Dkhil, S. Singh, P. M. Oppeneer, L. Bellaiche, New relativistic Hamiltonian: the Angular MagnetoElectric coupling, Proc. SPIE, 9931, 99312E (2016)

5. M. Berritta, R. Mondal, K. Carva, P. M. Oppeneer, Ab initio Theory of Coherent Laser-Induced Magnetization in Metals, Phys. Rev. Lett. 117, 137203 (2016)

4. R. Mondal*, M. Berritta, P. M. Oppeneer, Relativistic theory of spin relaxation mechanisms in the Landau-Lifshitz-Gilbert equation of spin dynamics, Phys. Rev. B 94, 144419 (2016)

2015

3. D. Hinzke, M. Berritta, U. Atxitia, R. Mondal, P. M. Oppenner, U. Nowak, Inverse Faraday effect as mechanism for ultrafast all-optical magnetic switching, IEEE International Magnetics Conference (INTERMAG), 1-1 (2015)

2. R. Mondal*, M. Berritta, C. Paillard, S. Singh, B. Dkhil, P. M. Oppeneer, L. Bellaiche, Relativistic interaction Hamiltonian coupling the angular momentum of light and the electron spin, Phys. Rev. B 92, 100402(R) (2015) 

This publication has been selected as Editor's Suggestion

1. R. Mondal*, M. Berritta, K. Carva, P. M. Oppeneer, Ab initio investigation of light-induced relativistic spin-flip effects in magneto-optics, Phys. Rev. B 91, 174415 (2015)

 
 
 

Projects & Activities

Sponsored Research Projects (External Funded)

  • 2024 - 2025: Paired Early Career Fellowship in Applied Research (PECFAR) award by Indo-German Science and Technology Centre (IGSTC).

  • 2024 - 2026: Startup Research Grant (SRG) from the Department of Science and Technology (DST) Science & Engineering Research Board (SERB).

  • 2023-2026: Faculty Research Scheme (FRS) from IIT (ISM) Dhanbad.

  • 2020 - 2022: VR international postdoc grant from the Swedish Research Council (Vetenskapsrådet), Sweden.

  • 2019 - 2020: Alexander von Humboldt postdoctoral grant from the Alexander von Humboldt Foundation. Germany

  • 2019 - 2019: Zukunftskolleg Mentorship grant from the Universität Konstanz, Germany

Guidance

  • Mr. Subhadip Ghosh (Joined in August 2022)
    M.Sc. from Jadavpur University, West Bengal
    Email: 22dr0226@iitism.ac.in
    Research interest: Inertial spin dynamics in magnetism
     
  • Mr. Pratyay Mukherjee
    (Joined in August 2023)
    M.Sc. from Calcutta University, West Bengal
    Email: 23dr0111@iitism.ac.in
    Research interest: Ultrafast demagnetization and switching dynamics in ferrimagnets 
     
  • Mr. Subhadip Santra
    (Joined in August 2024)
    M.Sc. from Ramakrishna Mission Vivekananda Educational Research Institute (RKMVERI), West Bengal
    Email: 24dr0193@iitism.ac.in
    Research interest: Ab initio investigation of orbital magnetism