Controlled multiple quantum coherences of nuclear spins in a nanometer-scale device

Article Abstract:

A self-contained nuclear magnetic resonance (NMR) semiconductor device that controls nuclear spins in a nanometer-scale region is presented. It is found that the microscopic high sensitivity NMR technique is suitable for probing materials whose nuclei contain multiple spin levels, and may form the basis of a versatile multiple qubit device.

Observations, Nuclear spin

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A quantum recipe for life

Article Abstract:

Lecturer Erwin Schrodinger believes that life must have a chemical basis with organic molecules providing the hardware for biology. The belief that there is chemical recipe of life led to hope that, if the content was could be derived, the right stuff could be mixed in a test tube and making life in the lab would be possible.

Schrodinger, Erwin

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Real-time detection of electron tunnelling in a quantum dot

Article Abstract:

Measuring directly the quantum dot's tunnelling rate and the occupational probabilities of its charge state employing electron counting with an integrated radio-frequency single-electron transistor reveals that the quantum dots display long 10 micro seconds or greater inelastic scattering times in isolated dots.

Tunnels Construction, Bridge and Tunnel Construction, Bridge, tunnel, & elevated highway, Analysis, Tunnel construction, Measurement, Electrons, Tunneling

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