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A new twist on transmission electron microscopy (TEM) could enable the technique to unlock even more secrets on the nanoscale. Researchers in the US have produced a helical-shaped beam of electrons th...
Electron star birth: A continuous phase transition at nonzero density
Electron star birth continuous phase transition
2010/12/24
We show that charged black holes in Anti-de Sitter spacetime can undergo a third order phase transition at a critical temperature in the presence of charged fermions. In the low temperature phase, a f...
Characterization Of Oil Shale Residue And Rejects From Irati Formation By Electron Paramagnetic Resonance
Oil shale EPR Quartz
2010/7/5
In this study, sedimentary organic matter of oil shale rejects, calschist, shale fine and the so called retorted shale from Irati formation was characterized. EPR was used to analyse the samples regar...
Correlated Electron-Hole Transitions in Bulk GaAs and GaAs-(Ga,Al)As Quantum Wells: Effects of Applied Electric and In-Plane Magnetic Fields
Quantum well Magnetic field Electric field Exciton transitions
2010/9/29
The effects of crossed electric and magnetic fields on the electronic and exciton properties in semiconductor heterostructures have been investigated within the effective-mass and parabolic band appro...
Relativistic Electron in the Field of Two Coulomb Centers
Relativistic Electron Two Coulomb Centers
2010/4/19
Ground state wave function and the energy term of the relativistic electron moving in the field of two Coulomb centers are calculated analytically by the method of linear combination of atomic orbital...