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Transistor Could 'Dial in' Quantum Effects

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HOUSTON, Texas, Dec. 15 -- A team of theoretical and experimental physicists from Rice University is preparing a unique probe in hopes of "dialing in" elusive quantum states called quantum criticalities. The team is using nanotechnology to create a probe capable of trapping and tuning a single electron to create the rarified physical state in nearby magnetic electrodes. Engineers say learning how quantum criticalities form in nature could one day help them harness that power for high-temperature superconductivity. Current applications of high-temperature superconductors include medical...Read full article

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    Published: December 2005
    Glossary
    astronomy
    The scientific observation of celestial radiation that has reached the vicinity of Earth, and the interpretation of these observations to determine the characteristics of the extraterrestrial bodies and phenomena that have emitted the radiation.
    nanotechnology
    The use of atoms, molecules and molecular-scale structures to enhance existing technology and develop new materials and devices. The goal of this technology is to manipulate atomic and molecular particles to create devices that are thousands of times smaller and faster than those of the current microtechnologies.
    probe
    Acronym for profile resolution obtained by excitation. In its simplest form, probe involves the overlap of two counter-propagating laser pulses of appropriate wavelength, such that one pulse selectively populates a given excited state of the species of interest while the other measures the increase in absorption due to the increase in the degree of excitation.
    quantum
    The term quantum refers to the fundamental unit or discrete amount of a physical quantity involved in interactions at the atomic and subatomic scales. It originates from quantum theory, a branch of physics that emerged in the early 20th century to explain phenomena observed on very small scales, where classical physics fails to provide accurate explanations. In the context of quantum theory, several key concepts are associated with the term quantum: Quantum mechanics: This is the branch of...
    si
    Systeme Internationale d'Unites, the international metric system of units.
    astronomyBasic SciencecriticalitiesferromagneticmagneticnanotechnologyNatelsonNews & FeaturesphysicsprobequantumSensors & DetectorsSisuperconductivitysuperconductors

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