Faculty Details

team

Balakrishnan, V

Professor Emeritus (Retd.)

HSB 315

Ph.D. Brandeis University, U.S.A.

  •  044 - 2257 5879
  •  vbalki@physics.iitm.ac.in

Areas of Interest

  • Quantum dynamics
  • stochastic processes
  • dynamical systems

Current Research

Exploring quantum dynamics via ergodic properties of expectation values of observables.Random walks on heirarchical graphs and fractals. Recurrence-statistics in coarse gradined dynamical systems.

Students

Current PhD Students

Recent Publications

  • Manifestations of changes in entanglement and onset of synchronization in tomograms. S Paul, S Lakshmibala, V Balakrishnan, S Ramanan. arXiv preprint arXiv:2112.13262.
    DOI: https://doi.org/10.48550/arXiv.2112.13262. https://arxiv.org/pdf/2112.13262.pdf 2021.
  • Tomographic entanglement indicators in frequency combs and Talbot carpets. B Sharmila, S Lakshmibala, V Balakrishnan. arXiv:2111.14002.
    DOI: https://doi.org/10.48550/arXiv.2111.14002 . https://arxiv.org/pdf/2110.01022.pdf 2021.
  • Exact eigenvalue order statistics for the reduced density matrix of a bipartite system. B Sharmila, V Balakrishnan, S Lakshmibala. arXiv:2110.01022.
    DOI: https://doi.org/10.48550/arXiv.2110.01022. https://arxiv.org/pdf/2110.01022.pdf 2021.
  • Tomographic entanglement indicators from NMR experiments. B Sharmila, VR Krithika, S Pal, TS Mahesh, S Lakshmibala. arXiv:2105.08555.
    DOI: https://doi.org/10.48550/arXiv.2105.08555 Focus to learn more. link: https://arxiv.org/pdf/2105.08555.pdf 2021.
  • Signatures of avoided energy- level crossings in entanglement indicators obtained from quantum tomograms.. B. Sharmila, S. Lakshmibala and V. Balakrishnan. J. Phys. B: At. Mol. Opt. Phys.. 53. 245502(1-9). 2020.
  • Time-series and network analysis in quantum dynamics: Comparison with classical dynamics. Pradip Laha, S. Lakshmibala and V. Balakrishnan. Int. J. Theor. Phys.. 59. 3476-3490. 2020.
  • Bifurcations, time-series analysis of observables, and network properties in a tripartite quantum system. Pradip Laha, S. Lakshmibala and V. Balakrishnan,. Phys. Letters A. 384. 126565 (1-10). 2020.
  • Tomographic entanglement indicators in multipartite systems.. B. Sharmila, S. Lakshmibala and V. Balakrishnan. Q. Infor. Process.. 19. 127 (1-12). 2020.
  • The central force problem in n dimensions.. V. Balakrishnan, Suresh Govindarajan and S. Lakshmibala. Resonance. 25. 513-538. 2020.
  • Estimation of entanglement in bipartite systems directly from tomograms.. B. Sharmila, S. Lakshmibala and V. Balakrishnan. Q. Infor. Process.. 18. 236 (1-21). 2019.
  • First-passage properties of mortal random walks: ballistic behavior, effective reduction of dimensionality, and scaling functions for hierarchical graphs.. V. Balakrishnan, E. Abad, T. Abil and J. J. Kozak. Phys. Rev. E. 99. 062110(1-16). 2019.
  • Recurrence network analy- sis in a model tripartite quantum system.. Pradip Laha, S. Lakshmibala and V. Balakrishnan. EPL . 125. 60005(1-7). 2019.
  • Nonclassical effects in op- tomechanics: Dynamics and collapse of entanglement.. Pradip Laha, S. Lakshmibala and V. Balakrishnan,. J. Opt. Soc. Am. B. 36. 575-584. 2019.
  • Estimation of nonclassical properties of multiphoton coherent states from optical tomograms.. Pradip Laha, S. Lakshmibala and V. Balakrishnan. J. Mod. Optics. 2018.
  • Signatures of nonclassical effects in optical tomograms.. B. Sharmila, K. Saumitran, S. Lakshmibala and V. Balakrishnan. J. Phys. B: At. Mol. Opt.. 50. 045501 (1-16). 2017.
  • Entanglement dynamics in a model tripartite system.. Pradip Laha, B. Sudarsan, S. Lakshmibala and V. Balakrishnan. Int. J. Theor. Phys.. 55(9). 4044-4059. 2016.

Teaching