Quantum Resources
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Quantum mechanics is weird in many different ways. In the era of quantum hypetrain, sometimes it is useful to take a step back and ask - what is the exact flavour of quantum weirdness that leads to advantage in some task ?
During my Ph.D. I studied this question in some detail. I studied quantum uncertainty relations in their various garbs trying to improve them. I also tried to link up various quantum resource theories to the study of quantum superpositions. During the end of Ph.D., I tried to show the use of temporal correlations through a quantum switch to improve quantum communication protocols like teleportation.
Collaboration Network
Arun Kumar Pati
Synergy Quantum
Sk Sazim
Polish Academy of Sciences
Samyadeb Bhatacharya
IIIT Hyderabad
Aditi Sen (De)
HRI Prayagraj
Ujjwal Sen
HRI Prayagraj
Mario Ziman
Slovak Academy of Sciences
Works
CM and Pati. Superposition of causal order enables quantum advantage in teleportation under very noisy channels, Journal of Physics Communications 4, 105003 (2020).
Das, CM, Singha Roy, Bhattacharya, Sen De and Ujjwal Sen, Wave-particle duality employing quantum coherence in superposition with non-orthogonal pointers, Journal of Physics A 53, 115301 (2020).
CM, Pati and Sazim, Quantum addition imparts less disorder than mixing and commutes with incoherent channels, IOP SciNotes 1, 025212 (2020).
CM, Sharma and Chakrabarty, Robustness of coherence for multipartite quantum states, Pramana 93, 69 (2019).
Sharma, CM, Sazim and Pati, Quantum uncertainty relation based on the mean deviation, Physical Review A 98, 032106 (2018).
CM, Sazim and Pati, Coherence makes quantum systems magical, Journal of Physics A 51, 414006 (2018).
CM, Shukla and Pati, Stronger error disturbance relations for incompatible quantum measurements. Europhysics Letters 113, 50002 (2016).
Pati, Yang, CM, Fei and Wang, Coherence of Purification, arXiv 1907.13067.
CM and Pati, Stronger classes of sum uncertainty and reverse uncertainy relations, arXiv 1806.11347.
Mondal and CM, Steerability of quantum coherence in accelerated frame. arXiv 1510.07556.
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