Search results for "5108 Quantum Physics"

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Continuous-Variable Tomography of Solitary Electrons

2019

A method for characterising the wave-function of freely-propagating particles would provide a useful tool for developing quantum-information technologies with single electronic excitations. Previous continuous-variable quantum tomography techniques developed to analyse electronic excitations in the energy-time domain have been limited to energies close to the Fermi level. We show that a wide-band tomography of single-particle distributions is possible using energy-time filtering and that the Wigner representation of the mixed-state density matrix can be reconstructed for solitary electrons emitted by an on-demand single-electron source. These are highly localised distributions, isolated fro…

Density matrixSciencePhysics::Medical PhysicsComputingMethodologies_IMAGEPROCESSINGANDCOMPUTERVISIONGeneral Physics and AstronomyFOS: Physical sciences02 engineering and technologyQuantum entanglementElectron/639/925/92701 natural sciencesGeneral Biochemistry Genetics and Molecular Biology5108 Quantum Physics510symbols.namesake5102 Atomic Molecular and Optical PhysicsElectronic and spintronic devices0103 physical sciencesMesoscale and Nanoscale Physics (cond-mat.mes-hall)Wigner distribution function010306 general physicslcsh:Science/639/766/1130/2798/639/925/357/1017PhysicsMultidisciplinaryCondensed Matter - Mesoscale and Nanoscale PhysicsQuantum dotsFermi levelQarticleGeneral ChemistryQuantum tomography021001 nanoscience & nanotechnologyComputational physicsNanoscale devicessymbolslcsh:Q0210 nano-technology51 Physical SciencesCoherence (physics)Fermi Gamma-ray Space Telescope

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PEPhysical Sciences and Engineering
- PE2Fundamental Constituents of Matter
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LSLife Sciences
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