Physics of Complex Systems

Professional Background

• October 2015 - January, 2018: Post Doctoral Fellow; Institute of Mathematical Sciences, Chennai.
• April, 2018 - February, 2020: DST INSPIRE Faculty; S. N. Bose National Centre for Basic Sciences.
• February, 2020 - June, 2022: Assistant Professor (Grade-I); Indian Institute of Science Education and Research, Thiruvananthapuram.
• June 13, 2022 - till date: Associate Professor; S. N. Bose National Centre for Basic Sciences.

Educational Background

• B.Sc. (in Physics), 2008, Jadavpur University.
• M.Sc. (in Physics), 2010, Jadavpur University.
• PhD (Quantum Foundations), 2016, Indian Statistical Institute, Kolkata (Degree awarded by Calcutta University.

Awards / Fellowships:

• Start up Research Grant, SERB (2021) [to support a JRF for three years] .
• Chanakya Post Doctoral Fellowship, I HUB Quantum Technology Foundation (2021) [to support a PDF for three years].
• INSPIRE Faculty Award [Offer letter No DST/INSPIRE/04/2017/002288].
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• Joint CSIR UGC Test for Junior Research Fellowship and Eligibility for Lectureship (NET) held on 20/12/2009 in the subject PHYSICAL SCIENCE.

Main area of Research:

• Quantum Information Theory.
• Quantum Communication.
• Quantum Technology.
• Quantum Foundations (Reconstruction Programme).
• Causality in Quantum World.

Significant Recent Publications:

• C. Ding et al; Quantum advantage: A single qubit's experimental edge in classical data storage; Phys. Rev. Lett. 133, 200201 (2024)
• S. B. Ghosh et al; Quantum Nonlocality: Multicopy Resource Interconvertibility and Their Asymptotic Inequivalence; ; Phys. Rev. Lett. 132, 250205 (2024)
• J. Joshi et al; Experimental verification of many-body entanglement using thermodynamic quantities; Phys. Rev. A 109, L020403 (2024) [Letter]
• R. K. Patra et al; Classical analogue of quantum superdense coding and communication advantage of a single quantum system; Quantum 8, 1315 (2024)
• Z. Ma et al; Randomness-free Test of Non-classicality: a Proof of Concept; Phys. Rev. Lett. 131, 130201 (2023)
• S. G. Naik et al; Distilling nonlocality in quantum correlations; Phys. Rev. Lett. 130, 220201 (2023)
• R. K. Patra et al; Principle of information causality rationalizes quantum composition; Phys. Rev. Lett. 130, 110202 (2023)
• S. Puliyil et al; Thermodynamic Signatures of Genuinely Multipartite Entanglement;; Phys. Rev. Lett. 129, 070601 (2022)
• S.G. Naik et al; Composition of Multipartite Quantum Systems: Perspective from Timelike Paradigm; Phys. Rev. Lett. 128, 140401 (2022)
• M. Banik et al; Multi-copy adaptive local discrimination: Strongest possible two-qubit nonlocal bases; Phys. Rev. Lett. 126, 210505 (2021)
• S. Halder et al; Strong Quantum Nonlocality without Entanglement; Phys. Rev. Lett. 122, 040403 (2019)
• S.S. Bhattacharya et al; Random-Receiver Quantum Communication; PRX Quantum 2, 020350 (2021)
• G. Chiribella et al; Indefinite causal order enables perfect quantum communication with zero capacity channel; New J. Phys. 23, 033039 (2021)
• T. Guha et al; Quantum Advantage for Shared Randomness Generation; Quantum 5, 569 (2021)