Daniel Linnemann Quantum?Enhanced Sensing Based on Time Reversal of Entangling Interactions 9783030071288

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Автор: Daniel Linnemann
Название: Quantum?Enhanced Sensing Based on Time Reversal of Entangling Interactions
ISBN: 9783030071288
Издательство: Springer
Классификация:

Психотерапия

Атомная и молекулярная физика

Квантовая физика (квантовая механика и квантовая теория поля)

ISBN-10: 3030071286
Обложка/Формат: Soft cover
Страницы: 165
Вес: 0.29 кг.
Дата издания: 2018
Серия: Springer Theses
Язык: English
Издание: Softcover reprint of
Иллюстрации: 31 tables, color; 63 illustrations, color; 1 illustrations, black and white; xviii, 165 p. 64 illus., 63 illus. in color.
Размер: 234 x 156 x 10
Читательская аудитория: General (us: trade)
Основная тема: Physics
Ссылка на Издательство: Link
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Поставляется из: Германии
Описание: Quantum mechanics entails effects like superpositions and entanglement, which have no classical counterparts. From a technological standpoint these counterintuitive quantum aspects can be viewed as an unexploited resource that can be harnessed to support various tasks, e.g. in the domains of computation, communication, and metrology.In many applications, however, the potential of nonclassical states cannot practically be exploited due to detection inefficiencies. The authors address this limitation by experimentally realizing a novel detection scheme in which entangling interactions are time reversed. In this way, nonclassical many-particle states are disentangled, allowing them to be detected in a robust and technically feasible manner. In the context of quantum metrology, these nonlinear readout techniques extend the class of entangled probe states that can be leveraged for sensing applications without being limited by finite detector resolution.The authors present an active atom interferometer, where both the entangled state preparation and disentangling readout involve parametric amplification. This “SU(1,1)” interferometer is implemented with the help of spinor Bose–Einstein condensates, where amplification is implemented by atomic collisions leading to spin exchange.
Дополнительное описание: Introduction.- Part I: Theoretical Basics.- Quantum Mechanical Spin.- Hamiltonian of a Spin-1 Bose-Einstein Condensate.- Part II: Concepts of Time Reversal Interferometry.- Spin Exchange as an Ampli?er.- Interferometry Concept Within the SU(1,1) Framework

Quantum?Enhanced Sensing Based on Time Reversal of Entangling Interactions, Daniel Linnemann