Entanglement and Quantum Discord Dynamics of Two Atoms in a Broadband Squeezed Vacuum Bath

Liao, Xiang-Ping; Fang, Jianshu; Mao-Fa, Fang; Liu, Bin; Huang, Zhong Hua

doi:10.1007/s10773-012-1207-6

Int J Theor Phys

2012

DOI: 10.1007/s10773-012-1207-6

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Entanglement and Quantum Discord Dynamics of Two Atoms in a Broadband Squeezed Vacuum Bath

Xiang-Ping Liao

Jianshu Fang

Fang Mao-Fa

et al.

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2017

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“…[52][53][54][55][56]. Moreover, investigations of systems in relativistic motion [57][58][59] or subjects to classical, chaotic, thermal, and other kinds of noise environments were also reported [60][61][62][63][64][65][66][67][68][69][70][71]. Studies considering interesting physical systems like quantum dots [72,73], atoms interacting with separated or common cavities [74][75][76] or interacting via plasmonic waveguides [77,78] appeared in the literature.…”

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The Sudden Change Phenomenon of Quantum Discord

Céleri

Maziero

2017

Quantum Science and Technology

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Even if the parameters determining a system's state are varied smoothly, the behavior of quantum correlations alike to quantum discord, and of its classical counterparts, can be very peculiar, with the appearance of non-analyticities in its rate of change. Here we review this sudden change phenomenon (SCP) discussing some important points related to it: Its uncovering, interpretations, and experimental verifications, its use in the context of the emergence of the pointer basis in a quantum measurement process, its appearance and universality under Markovian and non-Markovian dynamics, its theoretical and experimental investigation in some other physical scenarios, and the related phenomenon of double sudden change of trace distance discord. Several open questions are identified, and we envisage that in answering them we will gain significant further insight about the relation between the SCP and the symmetry-geometric aspects of the quantum state space.

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mentioning

confidence: 99%

The Sudden Change Phenomenon of Quantum Discord

Céleri

Maziero

2017

Quantum Science and Technology

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Entanglement and Quantum Discord Dynamics of Two Atoms in a Broadband Squeezed Vacuum Bath

Cited by 1 publication

References 23 publications

The Sudden Change Phenomenon of Quantum Discord

The Sudden Change Phenomenon of Quantum Discord

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