Talks

Invited Lectures and Seminars:

1. “The ground state quantum fidelity: an indicator of quantum criticality?” , seminar at HRI Allahabad, 25^th April, 2013.

2. “Quench Dynamics of Edge States in 2-D Topological Insulator Ribbons”, colloquium at HRI, Allahabad, 26^th April, 2013.

3. “Quantum critical dynamics of decoherence”, Physics Department, Delhi University, April, 2013

4. A set of three lectures, “Quantum quenches”, 11^th-13^th June, 2013, US-India Advanced Studies Institute on Thermalization, from glasses to Black hole held at ICTS, Bangalore, 10^th-21^st June, 2013.

5. “The scaling of the decoherence factor of a qubit coupled to a driven spin chain”, US-India SNS, Pisa, 9^th July, 2013.

6. “Quench Dynamics of Edge States in 2-D Topological Insulator Ribbons”, 22^nd Aug., 2013, at Quantum systems out of equilibrium, MPIPKS, Dresden.

7. “Quantum Criticality, dynamics and Loschmidt echo”, theoretical physics colloquium, TIFR, Mumbai, 29^th Oct., 2013.

8. “Quantum Criticality, dynamics and Loschmidt echo”, 4^th Dec., 2013 at Meeting of quantum information processing and application, 2^nd-8^th Dec., 2013, HRI, Allahabad.

9. “Floquet dynamics of a periodically driven quantum system and the dynamical fidelity”, Center for condensed matter theory seminar, IISc, Bangalore, 13^th Feb., 2014.

10. “Quench Dynamics and Topology”- Indian Association for Cultivation of Science, 1^st May, 2014 (at “Discussion meeting on Non-equilibrium dynamics and ultracold atoms”, 1^st and 2^nd May, 2014.)

11. Series of Lectures: “Understanding statics and dynamics of quantum phase transitions: Fidelity and Loschmidt echo” 8^th, 9^th and 14^th May, Tokyo Institute of Technology, Tokyo, Japan (organized by Prof. Hidetoshi Nishimori)

12. “Quench Dynamics and Topology”- at Mini-workshop on the real-time dynamics of quantum many-body systems, organized at Tokyo University, (by Prof. S. Suzuki (Saitama) and Prof. S. Miyashita (School of Science, Tokyo University), Japan, 20^th May, 2014.

13. “Quantum Phase transitions and fidelity measures” at Enreiso Lecture, Applied Physics Department, Hokkaido University, 11th June, 2014.

14. “Quantum Phase Transition and quantum fidelity” , condensed matter physics seminar, Saha Institute of Nuclear Physics, Kolkata, 22^nd August, 2014.

15. “Dynamical fidelity of periodically driven quantum systems”, seminar at S N Bose National Center for Basic Sciences, Kolkata, 26^th August, 2014.

16. “Periodic driving, periodic steady state and dynamical localization”, Colloquium at HRI, Allahabad, 19^th September, 2014.