Entanglement amplification between superposed detectors in flat and curved spacetimes
We consider an entanglement harvesting protocol between two Unruh-deWitt detectors in
quantum superpositions of static trajectories in the static de Sitter and thermal Minkowski …
quantum superpositions of static trajectories in the static de Sitter and thermal Minkowski …
[HTML][HTML] Open Quantum Entanglement: A study of two atomic system in static patch of de Sitter space
S Akhtar, S Choudhury, S Chowdhury… - The European Physical …, 2020 - Springer
In this work, our prime objective is to study non-locality and long range effect of two body
correlation using quantum entanglement from various information theoretic measure in the …
correlation using quantum entanglement from various information theoretic measure in the …
Superhorizon entanglement from inflationary particle production
We investigate entanglement generation between the sub-and super-Hubble modes of
inflaton fluctuations, in the context of particle production from perturbations during inflation …
inflaton fluctuations, in the context of particle production from perturbations during inflation …
[HTML][HTML] Dynamics of quantum entanglement in de Sitter spacetime and thermal Minkowski spacetime
Z Huang, Z Tian - Nuclear Physics B, 2017 - Elsevier
We investigate the dynamics of entanglement between two atoms in de Sitter spacetime and
in thermal Minkowski spacetime. We treat the two-atom system as an open quantum system …
in thermal Minkowski spacetime. We treat the two-atom system as an open quantum system …
Radiative process of two entanglement atoms in de Sitter spacetime
We investigate the radiative processes of a quantum system composed by two identical two-
level atoms in the de Sitter spacetime, interacting with a conformally coupled massless …
level atoms in the de Sitter spacetime, interacting with a conformally coupled massless …
Thermality, causality, and the quantum-controlled Unruh–deWitt detector
Particle detector models such as the Unruh–deWitt detector are widely used in relativistic
quantum information and field theory to probe the global features of spacetime and quantum …
quantum information and field theory to probe the global features of spacetime and quantum …
Analog cosmological particle generation in a superconducting circuit
We propose the use of a waveguidelike transmission line based on direct-current
superconducting quantum interference devices (dc-SQUID) and demonstrate that the node …
superconducting quantum interference devices (dc-SQUID) and demonstrate that the node …
Dynamics of quantum correlation and coherence in de Sitter universe
Z Huang - Quantum Information Processing, 2017 - Springer
In this article, we investigate the dynamics of quantum correlation and coherence for two
atoms interacting with massless scalar field in the background de Sitter spacetime. We firstly …
atoms interacting with massless scalar field in the background de Sitter spacetime. We firstly …
[HTML][HTML] Relating the curvature of De Sitter universe to open quantum Lamb shift spectroscopy
In this paper, we explore the connection between the curvature of the background De Sitter
space-time with the spectroscopic study of entanglement of two atoms. Our set up is in the …
space-time with the spectroscopic study of entanglement of two atoms. Our set up is in the …
Entanglement dynamics in de Sitter spacetime
We apply a master equation approximation with dynamical coarse graining to a pair of
detectors interacting with a scalar field. By solving the master equation numerically, we …
detectors interacting with a scalar field. By solving the master equation numerically, we …