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Quantum Sensors sans Frontier

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Duration: 0:49:22 | Added: 16 Jun 2016
Physics Colloquium 10th June 2016 delivered by Professor Swapan Chattopadhyay

Tremendous advances have been made in the last two decades in precision ‘Quantum’ technologies and techniques in multiple disciplines e.g. cavity electrodynamics, atomic beam interferometry, SQUIDS, quantum optical “squeezed state” techniques for noise-free single photon detection, qubit-based quantum entanglement techniques, high-Q superconducting cavities, precision NMR detection via designer materials, etc. These advances promise to enable transformational research using ultra-sensitive probes to explore very “weak effects” on a laboratory scale. These weak effects are manifest everywhere in nature in material and living systems from the laboratory to outer space. Potential “mezzo-scale” experiments and facilities can be envisaged using “quantum sensors” to search for ultra-weak physical, chemical or biological signals of fundamental significance to the material and living world around us as well as explore the “inner” and “outer” dimension of “vacuum” believed to be manifest in the so-called “dark” universe. This talk will illustrate this potential via a few exciting examples discussed at the recent US DOE Round Table on Quantum Sensors in February 2016.

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