Dr. R. Srikanth

Head of Dept. , Associate Professor Theoretical Sciences

   srikppisr.res.in
   0000-0001-7581-2546
google-scholar--v3    q8qhgkwAAAAJ
   poornaprajna.org/srik/

Areas of Interest

    1. Foundations of quantum mechanics.
    2. Quantum information science (cryptography and noisy channels).
    3. Solar physics: supergranular network structure and dynamics.
    4. Philosophy of science:  causality, free will, computability, individuation and identity.

Co-ordinator, CENTER FOR FOUNDATIONAL STUDY

Quantum information theory:

  1. Concept of quantum non-Markovianity weaker than CP-indivisibility.
  2. Resource theory for non-Markovian channels.
  3. Measure of not-completely-positive qubit maps.
  4. Non-Markovian Pauli channels.
  5. Maximally nonlocal subspaces: certification and applications.

 Foundations of quantum mechanics:

  1. Contextuality and nonlocality of indistinguishable particles.
  2. Hierarchical axioms for quantum mechanics.
  3. Quantum information processing and the reality of the quantum state.
  4. Operational approach to contextuality and nonlocality.

 Quantum cryptography:

  1. Quantum key distribution with counterfactuality.
  2. Counter factual quantum digital signature.
  3. Security with counterfactuality and indistinguishability.
  4. Trusted noise scenarios.

Philosophy of science:

  1. Reconciliation of free will and causality through consciousness.
  2. Scientific analysis of the limits of science in the context of consciousness.
I LIST VARIOUS GOVERNMENT OF INDIA SPONSORED PHD / RESEARCH PROJECTS, AS WELL AS MASTERS / UNDERGRAD READING OR RESEARCH PROJECTS
  1. DST-SERB sponsored project 2016–2019 on “The origin of quantum computational speedup in a general probability theoretic framework”
  2. ICPR sponsored project 2016 on “Modern Science and Ancient insights on Reality”
  3. DRDO (ER & IPR) project 2017–2019 on “A feasibility study of quantum counterfactual cryptography”
  4. DST-SERB project 2012–2015 on “Entanglement, nonlocality and superluminal signaling in deterministic and indeterministic extensions of quantum mechanics”
I HAVE GUIDED OR AM GUIDING:
  1. Akash Kundu (Lovely Professional University, Punjab, India) Dec 2019. Topic: Entanglement of indistinguishable anyons
  2. Revanth Badveli (BITS-Pilani, Goa, India), July 2019 Topic: Quantum Machine Learning.
  3. Akshaya S. (Lovely Professional University, Punjab, India) Nov-Dec, 2018. Topic: Measures of quantum entanglement.
  4. Susmeet Bagchi (Kalyani Govt Engg. College, Nadia, India) June-August 2018. Topic: Quantum information theory.
  5. Revanth Badveli (BITS-Pilani, Goa, India), Dec 2017–Jan 2018 Topic: Information Security via Quantum Locality
  6. Paritosh Kapadia (PES University, Bangalore, Karnataka, India) May-July 2017. Topic: A comparison between the classical Fast Fourier Transform (FFT) algorithm and the Quantum Fourier transform (QFT) and application of QFT in factoring
  7. Deepankar Sarmah (IISER-Kolkatal) May-July, 2017 Topic: On appriximating universal quantum computing
  8. Swadhin Agrawal (IISER-Bhopal) May-July, 2017 Topic: On appriximating universal quantum computing
  9. Koshy George (Amrita University, Kollam, Kerala, India) Jan-Jun 2017 Topic: On the reality of the quantum state: a Review of ψ-ontology theorems
  10. Mr Shesha Gopal (IISER-Kolkata),  May 16, 2016 — Topic: Facet inequalities for quantum nonlocality
  11. Mr Avinash Bhargav (Central University, Hyderabad) May 16, 2016 — Topic: Convex optimization and semidefinite programming
  12. Mr A. Animesh (June 10 to Nov 9, 2016). Topic: Towards a device-independent semi-counterfactual quantum cryptography protocol
  13. Mr  E. Pradeep Kumar (June 10 to Oct 10, 2016). Topic: Quantum correlations and neutrino oscillations.
  14. Mr Shrikant Utagi, Central University of Karnataka, Gulbarga, Summer internship (Dec 10, 2014 to Feb 9, 2015): (Topic: Quantum indistinguishability: some foundational considerations)
  15. Mr. Pavan Iyengar of University of Pune. RRI Visiting Student internship (May 22, 2012 to May 21, 2013): (Topic: Quantifying quantumness via commutators: An application to quantum walks.).
  16. Ms. Preeti Yadav of St. Stephen’s College, RRI Visiting Student internship (Aug 21, 2012 to Aug 21, 2013): (Topic: On the multipartite extension of the Goldenberg-Vaidman quantum key distribution protocol).
  17. Mr. Rox Ranjeeth of National College, Bangalore, REAP scholarship of Nehru Planetarium, Bangalore (Aug 20, 2011 to Aug 21, 2012): (Topic: Why quantum no-cloning is not violated in a laser.).
  18. Mr. X. Bangarusai of IISER Kolkata, RRI Summer internship (May 10 to July 10, 2012): (Topic:Optimal cloning from no-signaling).
  19. Ms. Ashima Arora of IISER Mohali. RRI Summer internship (May 20 to July 20, 2012): (Topic:The role of entanglement in quantum computational speed-up).
  20. Mr. Siddhartha Das of IISER Pune, RRI Summer internship (May 10 to July 10, 2012): (Topic:Roy-Singh inequalities).
  21. Mr Atul Mantri (IISER Mohali), (RRI Summer internship (Dec 15, 2011 to Jan 30, 2012): Topic: Geometry and classification of nonlocal boxes)
  22. Mr. Subramanya Hegde of Yuvraj College, Mysore (RRI Summer internship (Aug 16, 2011 to Jan 30, 2012): Topic: Quantum Turing machines)
  23. Mr Reet Chowdhury (NIT Tiruchirappalli) June 1 to July 4, 2011. Topic: Quantum Kolmogorov complexity
  24. Mr. Srinatha Narayanaswamy, PPISR Long-term internship (April 6, 2010 to Sep 6, 2011): (Topic: The Quantum cryptographic switch)
  25. Mr. Balaji Rao, PPISR Long-term internship (May 10, 2010 to May 11, 2011): (Topic:Noisy quantum walk).
  1. Dynamics of quantum correlations in a Qubit-Oscillator system interacting via a dissipative bath Revanth Badveli, Vinayak Jagadish, R. Srikanth and Francesco Petruccione To appear in Open Systems and Information Dynamics (2020)
  2. Measure of not-completely positive qubit maps: The general case Vinayak Jagadish, R. Srikanth and Francesco Petruccione Phys. Rev. A 100, 012336 (2019).
  3. Maximally nonlocal subspaces Akshata Shenoy H and R. Srikanth J. Phys. A: Math. Theor. 52 095302 (2019).
  4. Measure of positive and not completely positive single-qubit Pauli maps Vinayak Jagadish, R. Srikanth and Francesco Petruccione Phys. Rev. A 99, 022321 (2019).
  5. Hierarchical axioms for quantum mechanics S. Aravinda, Anirban Pathak and R. Srikanth European Physical Journal D, 73(9), p.207 (2019).
  6. Non-Markovian dephasing and depolarizing channels U. Shrikant, R. Srikanth and Subhashish Banerjee Phys. Rev. A 98, 032328 (2018).
  7. Non-Markovian evolution: a quantum walk perspective Pradeep Kumar, Subhashish Banerjee, R. Srikanth, Vinayak Jagadish and Francesco Petruccione Open Systems & Information Dynamics 25, 1850014 (2018).
  8. Operational characterization of quantumness of unsteerable bipartite states Debarshi Das, Bihalan Bhattacharya, Chandan Datta, Arup Roy, C. Jebaratnam, A. S. Majumdar and R. Srikanth Phys. Rev. A 97, 062335 (2018).
  9. Nonclassicality of local bipartite correlations C. Jebaratnam, S. Aravinda, R. Srikanth Phys. Rev. A 95, 032120 (2017).
  10. Extending quantum mechanics entails extending special relativity S. Aravinda and R. Srikanth J. Phys. A: Math. Theor. 49, 205302 (2016).

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RECOGNITIONS
  1. Various invited talks and lectures.
  2. Editor (Quanta, quanta.ws)
  3. Consultant to two quantum technology startups
  4. Reviewer (Phys Rev A, Quantum Information Processing, Quantum Information and Computation, Scientific Reports, Phys Rev Lett, Pramana, Physica Scripta, Int. J. Theoretical Physics, Quanta, etc.)
  5. Invitations to adjudicate in science competitions, and as thesis examiner / reviewer.
PRESENT (PhD students & Postdoc)
  1. Mr Rajashekhar Vaibhava: working on DFT and Quantum Computing studies of layered MXenes and their applications in catalysis by the inclusion of Van der Waals dispersion forces; also on Quantum Ghost Imaging : Feasibility and potential use cases in range instrumentation.
  2. Mr Shubhodeep Gangopadhyay: working on Quantum correlations, networks and cryptography; on the question of quantum secret sharing using passive quantum codes, entanglement dynamics in certain (non-)Markovian systems, etc.
  3. Mr Sanjoy Dutta: working on Hybrid aspects of noise in quantum information processing; quantum steganography with degenerate quantum codes, continuous-variable noiseless subspaces, etc.
  4. Dr Vijay Pathak: working on Characterisation of a damping channel as a mixture of amplitude damping and anti-damping channels of different parameters, on the distinction between distinguishability of states and witness of non-Markovianity, etc.

 PAST STUDENTS 

  1. Dr Sowmya G. M (along with Prof. U. Paniveni, Bangalore University).  Thesis title: Rotational effects of the Solar supergranular spectrum.                  Where now: Professor, GSSS Institute of Engineering & Technology, Mysore
  2. Dr. Rajani G, (along with Prof. U. Paniveni, Bangalore University)            Thesis Title: Long-term variation of the fractal dimension of the Sun.              Where now: PES University, Mandya, Karnataka
  3. Dr Vinod Nagaraj Rao
    Thesis title: Study of Practical Counterfactual Quantum Cryptography and Quantum Steganography.                                                                                                           Where now: York University, UK
  4. Dr U. Shrikant
    Thesis title: Aspects of quantum non-Markovianity in quantum information processing.                                                                                                             Where now: Assistant Professor, RV College of Engineering, Bangalore
  5. Dr S. Aravinda (PhD, 2018):
    Thesis title: Foundational Aspects  of Contextuality and  Nonlocality.
    Where now: Assistant Professor, IIT Tirupati, Andhra Pradesh
  6. Dr. Amkar Srikrishna (PhD, 2016):
    Thesis title: Operator   Sum  Representation   for  Quantum   Noise   due  to  Dissipative   and  Non-demolition Interaction  with a squeezed Environment
    Where now: Applications Scientist, Orca Quantum Technologies, Ontario, Canada