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    Tuning Quantum States of Matter Using Ultrafast Photonics

    Article obtained from Photonics RSS Feed.

    Researchers at Iowa State University, led by professor Jigang Wang, are using quantum terahertz spectroscopy to explore and control quantum states of matter. The researchers have announced three discoveries based on their studies.

    The first, reported in Nature Materials, describes how ultrafast pulses of photons — pulsed at trillions of cycles per second — can switch on a state of matter hidden by the superconductive flow of electricity at ultracold temperatures. The researchers demonstrated a tuning knob for switching on exotic, hidden states without changing the temperature. Such a tuning knob, called a quantum quench, could further the research and discovery of nonequilibrium materials.

    The second finding,…

    Aug, 23 2019 |

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