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We explore whether acceleration assists entanglement harvesting for a pair of uniformly accelerated detectors in three different acceleration scenarios, i.e., parallel, anti-parallel and mutually perpendicular acceleration, both in the…

Quantum Physics · Physics 2022-04-22 Zhihong Liu , Jialin Zhang , Robert B. Mann , Hongwei Yu

We study entanglement harvested from a quantum field through local interaction with Unruh-DeWitt detectors undergoing linear acceleration. The interactions allow entanglement to be swapped locally from the field to the detectors. We find an…

Quantum Physics · Physics 2017-10-19 Grant Salton , Robert B. Mann , Nicolas C. Menicucci

We study, in the framework of the entanglement harvesting protocol, the entanglement harvesting of both a pair of inertial and uniformly accelerated detectors locally interacting with vacuum massless scalar fields subjected to a perfectly…

Quantum Physics · Physics 2021-09-01 Zhihong Liu , Jialin Zhang , Hongwei Yu

We examine in $(2+1)$-dimensional anti-de Sitter (AdS) space the phenomena of entanglement harvesting - the process in which a pair of detectors (two-level atoms) extract entanglement from a quantum field through local interactions with the…

We explore the entanglement dynamics of two detectors undergoing uniform acceleration and circular motion within a massive scalar field, while also investigating the influence of the anti-Unruh effect on entanglement harvesting. Contrary to…

High Energy Physics - Theory · Physics 2024-11-06 Yongjie Pan , Jiatong Yan , Sansheng Yang , Baocheng Zhang

We study the properties of the transition probability and entanglement harvesting phenomenon for circularly accelerated detectors locally interacting with massless scalar fields. The dependence of the transition probability on the…

Quantum Physics · Physics 2020-09-30 Jialin Zhang , Hongwei Yu

So far, entanglement harvesting has been extensively studied in free space setups. Here, we provide a detailed analytical and numerical analysis of entanglement harvesting in cavities. Specifically, we adiabatically couple the quantized…

Quantum Physics · Physics 2026-01-26 Jannik Ströhle , Nikolija Momcilovic

We study entanglement harvesting in general $d$-dimensional conformal field theories using pointlike Unruh-DeWitt detectors coupled to scalar primary operators. This extends standard harvesting protocols beyond free fields to interacting…

Quantum Physics · Physics 2026-02-10 Kelly Wurtz , Caroline Lima , Robert C. Myers , Eduardo Martín-Martínez

We investigate the effects of field temperature $T^{(f)}$ on the entanglement harvesting between two uniformly accelerated detectors. For their parallel motion, the thermal nature of fields does not produce any entanglement, and therefore,…

General Relativity and Quantum Cosmology · Physics 2021-07-28 Dipankar Barman , Subhajit Barman , Bibhas Ranjan Majhi

Entanglement harvesting from the quantum field is a well-known fact that, in recent times, is being rigorously investigated further in flat and different curved backgrounds. The usually understood formulation studies the possibility of two…

General Relativity and Quantum Cosmology · Physics 2022-08-17 Dipankar Barman , Subhajit Barman , Bibhas Ranjan Majhi

We study the properties of the transition probability for a circularly accelerated detector that interacts with the massless scalar fields in the presence of a reflecting boundary. As the trajectory radius increases, the transition…

Quantum Physics · Physics 2025-03-28 Runhu Li , Zixu Zhao

We investigate the protocol of entanglement harvesting, where two spacelike separated particle detectors extract quantum correlations from a quantum field. Specifically, we analyze the role of the mass of the field and the energy gap of the…

Quantum Physics · Physics 2022-08-26 Héctor Maeso-García , T. Rick Perche , Eduardo Martín-Martínez

We analyzed how entanglement harvesting is affected by the performance of a measurement on the quantum field. The measurement on the field is modelled as the coupling of a particle detector to the field, followed by a projective measurement…

Quantum Physics · Physics 2023-02-22 Héctor Maeso-García , José Polo-Gómez , Eduardo Martín-Martínez

We analyze entanglement harvesting for arbitrary initial states of particle detectors and arbitrary quasifree states of the field. Despite the fact that spatially smeared particle detectors are known to break covariance for arbitrary…

Quantum Physics · Physics 2022-12-20 Héctor Maeso-García , José Polo-Gómez , Eduardo Martín-Martínez

We make a detailed comparison between entanglement harvesting for uniformly accelerated detectors in vacuum and static ones in a thermal bath at the Unruh temperature and find that, for a small energy gap relative to the Heisenberg energy…

Quantum Physics · Physics 2023-02-27 Zhihong Liu , Jialin Zhang , Hongwei Yu

We study the harvesting of entanglement and mutual information by Unruh-DeWitt particle detectors from thermal and squeezed coherent field states. We prove (for arbitrary spatial dimensions, switching profiles and detector smearings) that…

Quantum Physics · Physics 2018-10-17 Petar Simidzija , Eduardo Martin-Martinez

It has been shown that the vacuum state of a free quantum field is entangled and such vacuum entanglement can be harvested by a pair of initially uncorrelated detectors interacting locally with the vacuum field for a finite time. In this…

Quantum Physics · Physics 2022-06-01 Hui Hu , Jialin Zhang , Hongwei Yu

Recently it has been demonstrated that it is possible to harvest quantum resources other than entanglement from a coherent scalar field. Employing time-dependent perturbation theory, we present a complete analysis of the conditions under…

Quantum Physics · Physics 2022-01-10 Nikolaos K. Kollas , Dimitris Moustos

We investigate the entanglement generation or harvesting between two identical, comoving Unruh-DeWitt detectors in the cosmological de Sitter spacetime. The detectors are assumed to be unentangled initially. They are individually coupled to…

General Relativity and Quantum Cosmology · Physics 2025-07-01 Shagun Kaushal , Sourav Bhattacharya

We analyze scenarios in which pairs of Unruh-DeWitt-like detectors interact with scalar field(s) with bi-linear and quadratic coupling. For all cases -- real scalar fields, charged scalar fields, and even for couplings mixing two different…

Quantum Physics · Physics 2018-08-21 Allison M. Sachs , Robert B. Mann , Eduardo Martin-Martinez
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