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Weak Measurement Effects on Dynamics of Quantum Correlations in a Two-Atom System in Thermal Reservoirs

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Abstract

The dynamical behaviour of quantum correlations captured by different forms of Measurement-Induced Nonlocality (MIN) between two atoms coupled with thermal reservoirs is investigated and compared with the entanglement. It is shown that the MIN quantities are more robust, while noise causes sudden death in entanglement. Further, we quantified the quantum correlation with weak measurement and the effect of measurement strength is observed. The role of mean photon number and weak measurements on quantum correlation is also highlighted.

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Acknowledgements

NA acknowledges the financial support received from Bishop Heber College, Tiruchirappalli under Minor Research Grant(MRP/ 1921/ 2019 (BHC)). VKC thank the Council of Scientific and Industrial Research (CSIR), Government of India for the financial support under Grant No. 03(1444)/18/EMR-II.

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Authors and Affiliations

  1. PG & Research Department of Physics, Bishop Heber College (Affiliated to Bharathidasan University), Tiruchirappalli, 620017, Tamil Nadu, India

    N. Ananth

  2. Department of Physics, Faculty of Nuclear Sciences and Physical Engineering, Czech Technical University in Prague, Br̆ehová 7, 115 19, Praha 1-Staré Mĕsto, Czech Republic

    R. Muthuganesan

  3. Center for Nonlinear Science & Engineering, School of Electrical & Electronics Engineering, SASTRA Deemed University, Thanjavur, 613401, Tamil Nadu, India

    R. Muthuganesan & V. K. Chandrasekar

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  1. N. Ananth
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  3. V. K. Chandrasekar
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Correspondence to N. Ananth.

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Ananth, N., Muthuganesan, R. & Chandrasekar, V.K. Weak Measurement Effects on Dynamics of Quantum Correlations in a Two-Atom System in Thermal Reservoirs. Int J Theor Phys 61, 126 (2022). https://doi.org/10.1007/s10773-022-05105-x

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