Resultats globals: 6 registres trobats en 0.02 segons.
Articles, 6 registres trobats
Articles 6 registres trobats  
1.
21 p, 2.0 MB A proposal for evading the measurement uncertainty in classical and quantum computing : Application to a resonant tunneling diode and a Mach-Zehnder interferometer / Pandey, Devashish (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Bellentani, Laura (Università degli Studi di Modena e Reggio Emilia (Itàlia)) ; Villani, Matteo (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Albareda, Guillermo (Max Planck Institute for the Structure and Dynamics of Matter and Center for Free-Electron Laser Science (Alemanya)) ; Bordone, Paolo (Università degli Studi di Modena e Reggio Emilia (Itàlia)) ; Oriols, Xavier (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
Measuring properties of quantum systems is governed by a stochastic (collapse or state-reduction) law that unavoidably yields an uncertainty (variance) associated with the corresponding mean values. This non-classical source of uncertainty is known to be manifested as noise in the electrical current of nanoscale electron devices, and hence it can flaw the good performance of more complex quantum gates. [...]
2019 - 10.3390/app9112300
Applied sciences (Basel), Vol. 9, Issue 11 (June 2019) , art. 2300  
2.
4 p, 330.0 KB Quantum Monte Carlo simulation of resonant tunneling diodes based on the Wigner distribution function formalism / García García, Juan José (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Suñé, Jordi, 1963- (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Martín, Ferran, (Martín Antolín) (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Oriols, Xavier (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; American Physical Society
A tool for the simulation of resonant tunneling diodes (RTDs) has been developed. This is based on the solution of the quantum Liouville equation in the active region of the device and the Boltzman transport equation in the regions adjacent to the contacts by means of a Monte Carlo algorithm. [...]
1998 - 10.1063/1.122800
Applied physics letters, Vol. 73, Num. 24 (December 1998) , p. 3539-3541  
3.
4 p, 339.1 KB Bohm trajectories for the Monte Carlo simulation of quantum-based devices / Oriols, Xavier (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Suñé, Jordi, 1963- (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; García García, Juan José (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Martín, Ferran, (Martín Antolín) (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; González, T. (Universidad de Salamanca. Departamento de Física Aplicada) ; Mateos, J. (Universidad de Salamanca. Departamento de Física Aplicada) ; Pardo, D. (Universidad de Salamanca. Departamento de Física Aplicada) ; American Physical Society
A generalization of the classical ensemble Monte Carlo(MC) device simulation technique is proposed to simultaneously deal with quantum-mechanical phase-coherence effects and scattering interactions in quantum-based devices. [...]
1998 - 10.1063/1.120899
Applied physics letters, Vol. 72, Issue 7 (February 1998) , p. 806-808  
4.
4 p, 336.0 KB Simulation of multilayered resonant tunneling diodes using coupled Wigner and Boltzmann distribution function approaches / García García, Juan José (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Martín, Ferran, (Martín Antolín) (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; American Physical Society
From a coupling model between the Boltzmann transport equation and the quantum Liouville equation, we have developed a simulator based on the Wigner distribution function (WDF) approach that can be applied to resonant tunneling diodes (RTDs) and other vertical transport quantum devices. [...]
2000 - 10.1063/1.1328100
Applied physics letters, Vol. 77, Issue 21 (November 2000) , p. 3412-3414  
5.
4 p, 673.6 KB Resonant interband tunneling spin filter / Ting, David Z. -Y. (California Institute of Technology. Jet Propulsion Laboratory) ; Cartoixà Soler, Xavier (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; American Physical Society
We propose an InAs/GaSb/AlSb-based asymmetric resonant interband tunnelingdiode as a spin filter. The interband design exploits large valence band spin-orbit interaction to provide strong spin selectivity, without suffering from fast hole spin relaxation. [...]
2002 - 10.1063/1.1524700
Applied physics letters, Vol. 81, Issue 22 (November 2002) , p. 4198-4200  
6.
4 p, 695.9 KB Bidirectional resonant tunneling spin pump / Ting, David Z. -Y. (California Institute of Technology. Jet Propulsion Laboratory) ; Cartoixà Soler, Xavier (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; American Physical Society
We propose a mechanism for achieving bidirectional spin pumping in conventional nonmagnetic semiconductorresonant tunnelingheterostructures under zero magnetic field. The device is designed specifically to take advantage of the special spin configuration described by the Rashba effect in asymmetric quantum wells. [...]
2003 - 10.1063/1.1602158
Applied physics letters, Vol. 83, Issue 7 (August 2003) , p. 1391-1393  

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