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- Homi Bhabha National InstituteIN282 papers
- Tata Institute of Fundamental ResearchIN107 papers
- Saha Institute of Nuclear PhysicsIN72 papers
- Institute of Mathematical SciencesIN58 papers
- Indian Association for the Cultivation of ScienceIN57 papers
- University of CalcuttaIN57 papers
- Indian Institute of Science BangaloreIN55 papers
- Physical Research LaboratoryIN54 papers
- Centre National de la Recherche ScientifiqueFR48 papers
- Institute of Physics, BhubaneshwarIN45 papers
- University of DelhiIN39 papers
- European Organization for Nuclear ResearchCH38 papers
36 papers · 2 filters
Predicting topological quantum phase transition from dynamics via multisite entanglement
Leela Ganesh Chandra Lakkaraju, Sudip Kumar Haldar, Aditi Sen De
An exactly solvable Kitaev model in a two-dimensional square lattice exhibits a topological quantum phase transition which is different from the symmetry-breaking transition at zer…
Detecting exceptional points through dynamics in non-Hermitian systems
Keshav Das Agarwal, Tanoy Kanti Konar, Leela Ganesh Chandra Lakkaraju +1
Non-Hermitian rotation-time reversal (RT)-symmetric spin models possess two distinct phases, the unbroken phase in which the entire spectrum is real and the broken phase which cont…
Resource Theory of Non-absolute Separability
Ayan Patra, Arghya Maity, Aditi Sen De
We develop a resource theory for non-absolutely separable states (non-AS) in which absolutely separable states (AS) that cannot be entangled by any global unitaries are recognised…
Enhancing precision of atomic clocks by tuning disorder in accessories
Aparajita Bhattacharyya, Ahana Ghoshal, Ujjwal Sen
We find that a quantum device having an accessory involving precision measurement can have an enhancement of its metrological precision in estimating an unknown parameter of the qu…
Superiority in dense coding through non-Markovian stochasticity
Abhishek Muhuri, Rivu Gupta, Srijon Ghosh +1
We investigate the distributed dense coding (DC) protocol, involving multiple senders and a single or two receivers under the influence of non-Markovian noise, acting on the encode…
Restoring metrological quantum advantage of measurement precision in noisy scenario
Aparajita Bhattacharyya, Ahana Ghoshal, Ujjwal Sen
We show that in presence of a local and uncorrelated dephasing noise, quantum advantage can be obtained in the Fisher information-based lower bound of the minimum uncertainty in es…