Fröhlich Lecture Series in Physics 2018/19 - Professor Swapan Chattopadhyay
- Professor Peter Weightman
- Admission: N/A
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Professor Swapan Chattopadhyay
Director of Accelerator Research
Northern Illinois University
Refreshments will be served at 15.45
The Fröhlich Lectures are presentations by research leaders which are intended to be accessible to a general audience at the advanced undergraduate level.
ABSTRACT
'Quantum Sensors' fundamentally exploit the macroscopic 'entanglement' of wave functions in quantum systems and can potentially reach far higher sensitivities and resolutions than devices operating on purely classical principles. A class of such quantum sensors (e.g. superconducting ‘qubits’ embedded in superconducting microwave cavities, ‘Dirac’ and ‘Weyl’ materials, atomic beam interferometers, specially designed NMR materials, Nitrogen-vacancies in Diamond, etc.) have the revolutionary potential of offering us the capability of laboratory based exploration, detection and measurement of phenomena that manifest in very "weak processes" in nature (e.g. the "dark" sector of the universe or primordial gravitational wave background radiation from very early universe, or weak biological, geological and environmental signals, etc.) and of superior 'computing', for the benefit of both fundamental and information science. Advances in quantum sensors position us uniquely for laboratory-scale mezzo-scale scientific experiments for fundamental science and for development of innovative sensors and monitors for societal applications in environment, health, information and security. After an introduction to Quantum Sensors and emerging exciting quantum initiatives and developments across US, following a few recent US Department of Energy Round Tables on quantum sensors for fundamental science, quantum information science and advanced computing (some of which I co-chaired), I will briefly outline in some detail two specific examples: a ‘cavity-qubit’ based detector of dark matter and a specific 100 meter-drop Atomic Interferometer international experiment, MAGIS-100, being developed at Fermilab as a macroscopic quantum probe of the ‘early universe’ and the ‘dark sector’. University of Liverpool is a collaborative partner in this experiment.