Relating the curvature of De Sitter universe to open quantum lamb shift spectroscopy

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dc.contributor.author Swain, Abinash
dc.date.accessioned 2019-06-19T11:12:58Z
dc.date.available 2019-06-19T11:12:58Z
dc.date.issued 2019-05
dc.identifier.citation Swain, Abinash et al., "Relating the curvature of De Sitter universe to open quantum lamb shift spectroscopy", arXiv, Cornell University Library, DOI: arXiv:1905.07403, May 2019. en_US
dc.identifier.uri http://arxiv.org/abs/1905.07403
dc.identifier.uri https://repository.iitgn.ac.in/handle/123456789/4557
dc.description.abstract In this paper, our prime objective is to connect the curvature of our observable De Sitter Universe with the spectroscopic study of entanglement of two atoms in an open quantum system (OQS). The OQS considered in our work is made up of two atoms which are represented by Pauli spin tensor operators projected along any arbitrary direction. They mimic the role of a pair of freely falling Unruh De-Witt detectors, which are allowed to non-adiabatically interact with a conformally coupled massless probe scalar field in the De Sitter background. The effective dynamics of the atomic detectors are actually an outcome of their non-adiabatic interaction, which is commonly known as the Resonant Casimir Polder Interaction (RCPI) with the thermal bath. We find from our analysis that the RCPI of two stable entangled atoms in the quantum vacuum states in OQS depends on the De Sitter space-time curvature relevant to the temperature of the thermal bath felt by the static observer. We also find that, in OQS, RCPI produces a new significant contribution appearing in the effective Hamiltonian of the total system and thermal bath under consideration. This will finally give rise to Lamb Spectroscopic Shift, as appearing in the context of atomic and molecular physics. This analysis actually plays a pivotal role to make the bridge between the geometry of our observed Universe to the entanglement in OQS through Lamb Shift atomic spectroscopy. Thus, we are strongly aiming to connect the curvature of the background space-time of our Universe to open quantum Lamb Shift spectroscopy by measuring the quantum properties of a two entangled OQS in the atomic experiment.
dc.description.statementofresponsibility by Abinash Swain et al.
dc.language.iso en en_US
dc.publisher Cornell University Library en_US
dc.title Relating the curvature of De Sitter universe to open quantum lamb shift spectroscopy en_US
dc.type Preprint en_US


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