Quantum Well
Two Dimensional Coulomb Potential of Confined Excitons in Quantum Well Structures
... like quantum confinement effect. For example, the effect of quantum confinement effect on exciton behav- iors have been also studied vastly during last years [1- 2] and thus much experimental [3-4] and ...
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Analysis of dipole matrix element in quantum well and quantum cascade laser under the influence of external magnetic field
... semiconductor quantum well (QW) material have an essential role in modeling of electronic structure of multiple QW such as quantum cascade laser ...
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Analysis of Silicon Carbide Polymorphs Substrates Effect on Performances of AlGaN/GaN Double Quantum Well HEMTs
... In the recent years, a lot of research work has been carried out to study the GaN HEMTs including the optimization of GaN-based HEMT devices and integration (Stoffels, et al., 2015; Zhang, et al., 2016; Wang, et al., ...
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Spectroscopic Characterization of GaAs and AlxGa1 – xAs / AlyGa1 – yAs Quantum Well Heterostructures
... This work presents the results of the characterization of GaAs and Al x Ga 1 – x As / Al y Ga 1 – y As quantum well hetero-structures growth by MOVPE system. The main goal is to explore the ability of ...
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Optimization of superlattices with central quantum well and all-optical logic gates
... In this work, an approximate method to achieve automatically the energy-band configuration of superlattices of quantum wells was implemented and used in conjunc- tion with a genetic algorithm to find structures with ...
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Braz. J. Phys. vol.32 número2A
... We present a theoretial study on the eletron mobility and sattering mehanism in a remotely.. doped AlGaAs wide paraboli quantum well.[r] ...
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Design Considerations of Structural Parameters in Resonant Tunneling Diode by None-Equilibrium Green Function Method
... like Quantum well width, barrier width, spac- er width, contact width and contact doping, on performance of Resonant Tunneling Diode using full quan- tum ...
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Braz. J. Phys. vol.36 número2A
... tion effects are included in the calculations by the Improved Wigner-Brillouin Perturbation Theory (IWBPT) as modified by Cohn, Larsen and Lax [10]. The calculations are performed for different positions of the impurity ...
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Braz. J. Phys. vol.32 número2A
... A photon Green's funtion theory is used to inorporate Bethe- Salpeter-like many body orre-.. tions in the the omputations of nonlinear optial spetra of semiondutor quantum well lasero[r] ...
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Braz. J. Phys. vol.34 número2B
... In the present work we calculate the ground state intra- subband pair-correlation function for a Q1D electron gas present in a GaAs-AlGaAs parabolic quantum well wire. The Q1D electron gas in the parabolic ...
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Quantum Computers: A New Paradigm in Information Technology
... The quantum is the smallest possible amount of energy at a given ...is quantum mechanics, a field that has led to the development of high-speed optical neurocom- puters that can use multiple ...
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Braz. J. Phys. vol.32 número2A
... A study of the dynamial behavior of the harge in an asymmetri double quantum well is presented.. In partiular, the time behavior of intrasub-band dipole moment whih is indued by intersub[r] ...
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Rev. Bras. Ensino Fís. vol.35 número3
... cylindrical quantum well is solved. In the third section, the quantum harmonic os- cillator is studied in various dimensions, and it is shown that this problem can be described in terms of Bessel or ...
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Braz. J. Phys. vol.36 número2A
... the quantum number ...the well the ”bare” potential is not screened and energy spectrum is not strongly ...and quantum well profile, it will be useful to identify the most suitable ...
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Energy spectrum and eigenfunctions through the Quantum Section Method
... We present the Quantum Setion Method as a quantization tehnique to ompute the eigenvalues.. and the eigenfuntions of quantum systems.[r] ...
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Sba Controle & Automação vol.21 número6
... Moreover, the development of a SET current standard could lead to the definition of a quantum ampere as the product of the elementary charge and a frequency. The classical def- inition of the ampere is: “The ...
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Quantum state tuning: numerical study of the quantum harmonic oscillator.
... Pela introdução de uma metodologia numérica simples e intuitiva de solução, como o método de Euler, 2 o sistema de equações é reduzido a apenas uma equação de identidade e outra de r[r] ...
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Quantum dot-a promising candidate for realization of quantum computation: an overview
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Braz. J. Phys. vol.30 número2
... We present some aspets of the study of quantum integrable systems and its relation to quantum.. groups.[r] ...
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Effects of Allelochemicals from Ficus microcarpa on
... 2008) and heavy metal (Mallick and Mohn 2003). Algal cells will reduce energy transfer and usage. Fluorescence intensity from photosystems, electron transport rates and effective quantum yield were diminished as ...
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