Quantum Physics

   

Quantum Interference in Real Time

Authors: George Rajna

A team headed by Prof. Dr. Frank Stienkemeier and Dr. Lukas Bruder from the Institute of Physics at the University of Freiburg has succeeded in observing in real-time ultrafast quantum interferences-in other words the oscillation patterns-of electrons which are found in the atomic shells of rare gas atoms. [41] Now, however, theoretical physicist Franck Laloë from Laboratoire Kastler Brossel (ENS-Université PSL) in Paris has proposed a new interpretation that could explain many features of the paradox. [40] One of the open questions in quantum research is how heat and thermodynamics coexist with quantum physics. [39] But one lesser-known field is also starting to reap the benefits of the quantum realm-medicine. [38] A quantum squeezing and amplification technique has been used to measure the position of a trapped ion to subatomic precision. [37] A new theoretical model involves squeezing light to just the right amount to accurately transmit information using subatomic particles. [36] The standard approach to building a quantum computer with majoranas as building blocks is to convert them into qubits. However, a promising application of quantum computing-quantum chemistry-would require these qubits to be converted again into so-called fermions. [35] Scientists have shown how an optical chip can simulate the motion of atoms within molecules at the quantum level, which could lead to better ways of creating chemicals for use as pharmaceuticals. [34] Chinese scientists Xianmin Jin and his colleagues from Shanghai Jiao Tong University have successfully fabricated the largest-scaled quantum chip and demonstrated the first two-dimensional quantum walks of single photons in real spatial space, which may provide a powerful platform to boost analog quantum computing for quantum supremacy. [33] To address this technology gap, a team of engineers from the National University of Singapore (NUS) has developed an innovative microchip, named BATLESS, that can continue to operate even when the battery runs out of energy. [32]

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[v1] 2020-02-15 05:06:29

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