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electron gas

Coherent electron focussing in a two-dimensional electron gas

Coherent electron focussing in a two-dimensional electron gas

... - The first experimental realization of ballistic point contacts in a two-dimensional electron gas for the study of transverse electron focussing by a magnetic field is reported.. Multip[r] ...

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Large tunable Rashba spin splitting of a two dimensional electron gas in Bi2Se3

Large tunable Rashba spin splitting of a two dimensional electron gas in Bi2Se3

... dimensional nature of the electron gas that gives rise to the Rashba splitting. Further, we have confirmed their spin- split nature by spin-resolved ARPES. The spin polarization of the bands crossing the ...

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Comparison of local density functionals based on electron gas and finite systems

Comparison of local density functionals based on electron gas and finite systems

... A widely used approximation to the exchange-correlation functional in density functional theory is the local density approximation (LDA), typically derived from the properties of the homogeneous electron ...

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An Evaluation of Effective mass (m*/mo) of Electron in n
Inversion Layer (2D-electron gas)

An Evaluation of Effective mass (m*/mo) of Electron in n Inversion Layer (2D-electron gas)

... dimensional electron gas. Among them are the quasi-particle properties such as effective mass and the g factor. These quantities have attracted much attention because these are directly observable ...

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Direct Experimental Evidence of the Statistical Nature of the Electron Gas in Superconducting Films

Direct Experimental Evidence of the Statistical Nature of the Electron Gas in Superconducting Films

... energy and momentum). The conceptual scheme of the experiment, which measures the intensity-fluctuation correlation of two beams of particles partitioned off at a Y-shaped obstacle, is the HBT (Hanbury Brown and Twiss) ...

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Control of a two dimensional electron gas on SrTiO3 (111) by atomic oxygen

Control of a two dimensional electron gas on SrTiO3 (111) by atomic oxygen

... two-dimensional electron gas (2DEG) at the (001) interface between the perovskite band insulators SrTiO 3 (STO) and LaAlO 3 (LAO) [1], much work has been devoted to revealing its unique properties, ...

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Spin Polarization of the Uniform Three Dimensional  Electron Gas

Spin Polarization of the Uniform Three Dimensional Electron Gas

... three-dimensional electron gas (U3DEG) at zero temperature, it should be noted that the state of this system is entirely specified by the Wigner- Seitz radius rs being related to the total electron ...

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Hartree-Fock theory of a current-carrying electron gas

Hartree-Fock theory of a current-carrying electron gas

... homogeneous electron gas with constraints on the average total energy and average numbers of left- and right- going electrons to obtain a simplified description of the steady-state within the Hartree-Fock ...

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Dephasing of entangled electron-hole pairs in a degenerate electron gas

Dephasing of entangled electron-hole pairs in a degenerate electron gas

... A tunnel bamei in adegeneiate electron gas was recently discoveied äs a source of entangled electron- hole pairs Ilere we investigate the loss of eritanglement by dephasing We calculate [r] ...

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A two-dimensional electron gas sensing motion of a nanomechanical cantilever

A two-dimensional electron gas sensing motion of a nanomechanical cantilever

... low-dimensional electron systems, such as a two- dimensional electron gas (2DEG), quantum wires and quan- tum dots, have been intensively studied for decades, and these studies have led to discovery ...

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Transport of Electrons in Donor Doped Silicon at Any Degree of Degeneracy of Electron Gas

Transport of Electrons in Donor Doped Silicon at Any Degree of Degeneracy of Electron Gas

... is the same Equation (5) for the effective density of randomly moving electrons. Equation (10) unambiguously shows that the conductivity in all cases is determined by the effective density of randomly moving charge ...

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On the Thermodynamics of a Two Dimensional Electron Gas with Non Parabolic Dispersion

On the Thermodynamics of a Two Dimensional Electron Gas with Non Parabolic Dispersion

... tron gas in a magnetic field ...the electron spectrum and conduction band nonparabolicity on the properties of two dimensional electron gas is also important ...two-dimensional electron ...

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Effect of Temperature and Band Nonparabolicity on Density of States of Two Dimensional Electron Gas

Effect of Temperature and Band Nonparabolicity on Density of States of Two Dimensional Electron Gas

... Recently, investigations of narrow band gap semiconductors InAs, InSb [1]-[3] based heterostructures have been paid much attention because they are essential to developing semiconductor devices. In these structures, the ...

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Quantum Monte Carlo calculations of the surface energy of an electron gas

Quantum Monte Carlo calculations of the surface energy of an electron gas

... In DFT, we can exploit the in-plane symmetry of the slab system to make the calculation effectively one dimensional. This is not possible in QMC, where every real electron is represented in the simulation; QMC ...

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Direct measurement of the spin gaps in a gated GaAs two dimensional electron gas

Direct measurement of the spin gaps in a gated GaAs two dimensional electron gas

... the electron spin degree of freedom, our experimental results provide useful information in the field of spintronics, spin-related phenomena, and quan- tum computation ...

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Hydrodynamic equations for an electron gas in graphene

Hydrodynamic equations for an electron gas in graphene

... line A + B = ) corresponds to a ‘collimation regime’, | u | → , where the velocities of the electrons are all aligned along a ((x, t)-dependent) direction in the p-space (the direction determined by u); there are two ...

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Quantum ballistic electron transport in a constricted two-dimensional electron gas

Quantum ballistic electron transport in a constricted two-dimensional electron gas

... Electron focusing has been observed in a double point contact geometry, showing ballistic and phase coherent transport along the boundary of a 2DEG.. A description of the focusing is giv[r] ...

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Quantum conductance of homogeneous and inhomogeneous interacting electron systems

Quantum conductance of homogeneous and inhomogeneous interacting electron systems

... We obtain the conductance of a system of electrons connected to leads, within time-dependent density- functional theory, using a direct relation between the conductance and the density response function. Cor- rections to ...

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Critical Exponents of Quark Matter

Critical Exponents of Quark Matter

... The properties of Fermi systems have been investigated in several works [1-20]. One of the important cases is the study of the magnetic properties of an electron gas [3-20]. Spontaneous magnetization may ...

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Quantum Theory of Fields and Properties of Quantum Systems

Quantum Theory of Fields and Properties of Quantum Systems

... The use of real scalar field for describing neutral bosons of spin zero in the trap has given a good agreement with the experiment. It is the same with Dirac field in the study of electron gas in a metal. ...

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