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12 papers · 2 filters
Bose-Einstein Condensates as Gravitational Wave Detectors
Matthew P. G. Robbins, Niayesh Afshordi, Robert B. Mann
We investigate a Bose-Einstein condensate (BEC) as a gravitational wave detector, and study its sensitivity by optimizing the properties of the condensate and the measurement durat…
Entanglement Harvesting with Moving Mirrors
Wan Cong, Erickson Tjoa, Robert B. Mann
We study the phenomenon of entanglement extraction from the vacuum of a massless scalar field in dimensional spacetime in presence of a moving Dirichlet boundary condition,…
Unruh-DeWitt detectors and entanglement: the anti-de Sitter space
Keith K. Ng, Robert B. Mann, Eduardo Martin-Martinez
We investigate entanglement harvesting in AdS. Applying the general results of [Phys. Rev. D 97, 125011 (2018)], we consider two scenarios: one where two particle detectors are…
Entangling detectors in anti-de Sitter space
Laura J. Henderson, Robie A. Hennigar, Robert B. Mann +2
We examine in -dimensional anti-de Sitter (AdS) space the phenomena of entanglement harvesting - the process in which a pair of detectors (two-level atoms) extract entanglem…
Entanglement harvesting from multiple massless scalar fields and divergences in Unruh-DeWitt detector models
Allison M. Sachs, Robert B. Mann, Eduardo Martin-Martinez
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 and fermionic Unruh Otto engines
Finnian Gray, Robert B. Mann
We investigate the behaviour of quantum heat engines, in which a qubit is put through the quantum equivalent of the Otto cycle and the heat reservoirs are due to the Unruh effect.…
Particle Detectors, Cavities, and the Weak Equivalence Principle
Erickson Tjoa, Robert B. Mann, Eduardo Martin-Martinez
We analyze a quantum version of the weak equivalence principle, in which we compare the response of a static particle detector crossed by an accelerated cavity with the response of…
New techniques for entanglement harvesting in flat and curved spacetimes
Keith K. Ng, Robert B. Mann, Eduardo Martin-Martinez
We present a new technique for computing entanglement harvesting with Unruh-DeWitt particle detectors. The method is particularly useful in cases where analytic solutions are rare…
An Optomechanical Quantum Cavendish Experiment
Abdulrahim Al Balushi, Wan Cong, Robert B. Mann
An open question in experimental physics is the characterization of gravitational effects in quantum regimes. We propose an experimental set-up that uses well-tested techniques in…
Work extraction using Gaussian operations in non-interacting fermionic systems
Marvellous Onuma-Kalu, Robert B. Mann
We investigate work extraction from non-interacting fermions under arbitrary unitary operations and the more restricted class of Gaussian unitary operations that can be feasibly im…
Thermal Contact: Mischief and Time Scales
Daniel Grimmer, Robert B. Mann, Eduardo Martin-Martinez
We discuss what kind of quantum channels can enable thermalization processes. We show that in order to determine a system's temperature, a thermometer needs to dynamically gain inf…
Gaussian ancillary bombardment
Daniel Grimmer, Eric Brown, Achim Kempf +2
We analyze in full detail the time evolution of an open Gaussian quantum system rapidly bombarded by Gaussian ancillae. As a particular case this analysis covers the thermalization…