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Learn how entanglement in quantum sensor networks can dramatically enhance measurement sensitivity for spatially varying fields in this 50-minute colloquium lecture. Explore the fundamental principles of quantum sensing using magnetometers and interferometers, and discover how connecting these sensors in entangled networks enables unprecedented accuracy in measuring field properties across space. Examine the theoretical framework for leveraging quantum entanglement to overcome classical sensing limitations, with particular focus on handling spatially correlated noise in distributed measurement systems. Gain insights into cutting-edge research at the intersection of quantum information theory and precision metrology, understanding how quantum correlations between sensors can be engineered to achieve sensing capabilities beyond what individual sensors can accomplish. Delve into the mathematical foundations and practical considerations for implementing quantum sensor networks that can map complex field distributions with enhanced precision compared to classical sensor arrays.
