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20092024
most citedQuery expansion techniques for information retrieval: A survey

314 citations

Showing 2018 · quant-phShow all

9 papers · 2 filters

quant-ph2018

CHSH inequalities with appropriate response function for POVM and their quantum violation

Asmita Kumari, A. K. Pan

In the derivation of local bound of a Bell's inequality, the response functions corresponding to the different outcomes of measurements are fixed by the relevant hidden variables i…

quant-ph2018★ 17 cited

On the violation of Lders bound of macrorealist and noncontextual inequalities

Asmita Kumari, Md. Qutubuddin, A. K. Pan

In a recent Letter [PRL, 113, 050401 (2014)], it is shown that the quantum violation of a three-time Leggett-Garg inequality (LGI) for a dichotomic qutrit system can exceed the L$\…

quant-ph2018★ 50 cited

Optimal quantum preparation contextuality in -bit parity-oblivious multiplexing task

Shouvik Ghorai, A. K. Pan

In [ PRL, 102, 010401 (2009)], Spekkens et al., have shown that quantum preparation contextuality can power the parity-oblivious multiplexing (POM) task. The bound on the optimal s…

quant-ph2018

Faithful Pointer for qubit measurement

Asmita Kumari, A. K. Pan

In the context of von Neumann projective measurement scenario for a qubit system, it is widely believed that the mutual orthogonality between the post-interaction pointer states is…

quant-ph2018★ 8 cited

Sub-Planck structure in a mixed state

Asmita Kumari, A. K. Pan, P. K. Panigrahi

The persistence of sub-Planck structure in phase space with loss of coherence is demonstrated in a mixed state, which comprises two terms in the density matrix. Its utility in carr…

quant-ph2018★ 4 cited

Quantum contextuality for a three-level system sans realist model

A. K. Pan, K. Mandal

Recently, an interesting form of non-classical effect which can be considered as a form of contextuality within quantum mechanics, has been demonstrated for a four-level system by…

quant-ph2018★ 18 cited

Quantum violation of variants of LGIs upto algebraic maximum for qubit system

A. K. Pan, Md. Qutubuddin, Swati Kumari

In 1985, Leggett and Garg formulated a class of inequalities for testing the compatibility between macrorealism and quantum mechanics. In this paper, we point out that based on the…

quant-ph2018★ 7 cited

Swapping Intra-photon entanglement to Inter-photon entanglement using linear optical devices

Mohit Lal Bera, Abhishek Ghosh, Asmita Kumari +1

We propose a curious protocol for swapping the intra-photon entanglement between path and polarization degrees of freedom of a single photon to inter-photon entanglement between tw…

quant-ph2018★ 34 cited

Path Predictability and Quantum Coherence in Multi-Slit Interference

Prabuddha Roy, Tabish Qureshi

In an asymmetric multislit interference experiment, a quanton is more likely to pass through certain slits than some others. In such a situation one may be able to predict which sl…