News tagged with quantum mechanics

Molecular motor: Four states of rotation

With the help of ultrafast spectroscopy and quantum mechanical calculations, Ludwig-Maximilians-Universitaet (LMU) in Munich researchers have characterized the complete rotational cycle of the light-driven, chemical motor ...

date3 hours ago in Materials Science
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Supercomputing more light than heat

Solar cells can't stand the heat. Photovoltaics lose some energy as heat in converting sunlight to electricity. The reverse holds true for lights made with light-emitting diodes (LED), which convert electricity into light. ...

dateFeb 06, 2018 in Materials Science
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Trust is good, quantum trickery is better

An international team of scientists has proven, for the first time, the security of so-called device-independent quantum cryptography in a regime that is attainable with state-of-the-art quantum technology, thus paving the ...

dateFeb 01, 2018 in Quantum Physics
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