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pro vyhledávání: '"Rao, Vinod N."'
We propose a simplified measurement scheme for a Gaussian modulated coherent state (GMCS) protocol for continuous-variable quantum key distribution (CVQKD), utilizing homodyne detection without quadrature switching. The reference frame of measurement
Externí odkaz:
http://arxiv.org/abs/2409.15496
Publikováno v:
Phys. Rev. A 109, 032435 (2024)
Quantum digital signature (QDS) is the quantum version of its classical counterpart, and can offer security against attacks of repudiation, signature forging and external eavesdropping, on the basis of quantum mechanical no-go principles. Here we pro
Externí odkaz:
http://arxiv.org/abs/2310.11308
Publikováno v:
Commun. Theor. Phys. 75, 065102 (2023)
Quantum self-interference enables the counterfactual transmission of information, whereby the transmitted bits involve no particles traveling through the channel. In this work, we show how counterfactuality can be realized even when the self interfer
Externí odkaz:
http://arxiv.org/abs/2203.10847
Autor:
Rao, Vinod N., Srikanth, R.
Publikováno v:
Phys. Rev. A 104, 022424 (2021)
Counterfactual quantum key distribution (QKD) enables two parties to share a secret key using an interaction-free measurement. Here, we point out that the efficiency of counterfactual QKD protocols can be enhanced by including non-counterfactual bits
Externí odkaz:
http://arxiv.org/abs/2012.05157
Publikováno v:
Phys. Rev. A 103, 042610 (2021)
Quantum non-Markovianity of channels can be produced by mixing Markovian channels, as observed recently by various authors. We consider an analogous question of whether singularities of the channel can be produced by mixing non-singular channels, i.e
Externí odkaz:
http://arxiv.org/abs/2011.04053
Publikováno v:
Open Systems & Information Dynamics, Vol. 27, No. 4, 2050019 (2020)
We study a class of qubit non-Markovian general Pauli dynamical maps with multiple singularities in the generator. We discuss a few easy examples involving trigonometric or other non-monotonic time dependence of the map, and discuss in detail the str
Externí odkaz:
http://arxiv.org/abs/2002.11452
Autor:
Kulal, Nagendra, Vetrivel, Rajappan, Gopinath, Chinnakonda S., Ravindran, Rahul K., Rao, Vinod N., Shetty, Manjunath, Shrikanth, R., Rangappa, Dinesh, Shanbhag, Ganapati V.
Publikováno v:
In Chemical Engineering Journal 1 September 2021 419
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Quantum indistinguishability and counterfactuality are two counterintuitive features of quantum mechanics. The latter refers to the possibility of detecting a particle without an interaction, whilst the former to the indistinguishability of identical
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3c3cd28134fae5b4cd3b34cb2d1fb465