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Search Results: 1 - 3 of 3 matches for " Parisoli "
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A natural-law approach to human rights in a plural society
Parisoli, Luca
Arbor : Ciencia, Pensamiento y Cultura , 2010, DOI: 10.3989/arbor.2010.745n1234
Abstract: I propose a medieval voluntaristic version of natural-law theory, as a plausible strategy to implement fundamental rights in a culturally non-homogeneous society; it is, in particular, the version proposed by the Franciscan school, which proposes a substantial cut between pre-lapsarian and post-lapsarian natural law (the former corresponding to the sphere of fundamental rights of persons while the lattrer marks the sphere of institutional rights of individuals in a given society, with a plurality of the common good). With necessary semantical precisions, this strategy safeguards the political value of tolerance and the real plurality of sundry cultural models withan one society, although such as belong to a certain culture are convinced it is superior to others. This strategy is opposed to ethical legalism, widespread in modern political debate, which I blame for its tendency to homogeneity and its reduction of plurality to non-culturality. Propongo una versión voluntarista medieval del jusnaturalismo como estrategia plausible para implementar los derechos fundamentales en una sociedad culturalmente no-homogénea; trátase, en particular, de la versión de la escuela franciscana, que propone una discontinuidad sustancial entre el derecho natural que precede a la Caída (esfera de los derechos fundamentales de la persona) y el derecho natural que sigue a la Caída (esfera de los derechos institucionales de los individuos de una sociedad dada, con una pluralidad del bien común). Tras las necesarias precisiones semánticas, esa estrategia conserva el valor político de la tolerancia y la pluralidad efectiva de los modelos culturales en una misma sociedad, aunque quienes pertenecen a una cultura determinada estén persuadidos de la superioridad de su propia cultura sobre las demás. Opónese esa estrategia al legalismo ético, difundido en el debate político contemporáneo, al cual critico por su tendencia homogeneizante y su reducción de la pluralidad a la no-culturalidad. [it] Si tenta di proporre una versione volontarista medievale del giusnaturalismo come strategia plausibile per gestire i diritti fondamentali in una società non-omogenea culturalmente: si tratta in particolare della versione proposta dalla scuola francescana che propone una non-continuità sostanziale tra il diritto naturale che precede la Caduta (sfera dei diritti universali della persona) e il diritto naturale che segue la Caduta (sfera dei diritti istituzionali degli individui di una data società e pluralità del bene comune). Dopo le necessarie precisazioni semantiche, questa strategia conserva i
La Casa di San Giorgio , une autorité de régulation dans les villes communales médiévales italiennes “Casa di San Giorgio”, an Authority of Governance in Medieval Italian Communal Towns
Luca Parisoli
Droit et Cultures , 2009,
Abstract: Les poussées à l’instabilité déterminées par la structure familiale et par clan de la société urbaine médiévale, et donc par ses codes de la vengeance, produit une conception particulière de la représentation politique. Je me concentre sur le cas de la Casa di San Giorgio, car son originalité est marquante. En effet, cette autorité de régulation gère tout simplement la totalité de la dette publique de Gênes à la place de l’assemblée politique élue et du gouvernement de cette ville. La Casa di San Giorgio se consacre au bien et au salut commun car elle ne représente pas l’ame la plus féodale et guerrière de la ville : l’intérêt commun est celui de l’accomplissement de la richesse capitaliste dans la ville de Gênes. The familiar structure by clan of urban medieval society, regulated by codes of revenge, gives a propensity to political instability, and offer a particular conception of political representation. I focus on the case of Casa di San Giorgio, a very original institution in Italian Middle Age. This authority of governance was responsible for the political economy of Genoa in lieu of the elective chamber and of the government. Casa di San Giorgio devoted itself to common good and survived, because it was independent from warrior and nobility elements of the town: the common interest was finally the realization of capitalist welfare in Genoa.
Electron Exchange Coupling for Single Donor Solid-State Qubits
C. J. Wellard,L. C. L. Hollenberg,F. Parisoli,L. Kettle,H. -S. Goan,J. A. McIntosh,D. N. Jamieson
Physics , 2003, DOI: 10.1103/PhysRevB.68.195209
Abstract: Inter-valley interference between degenerate conduction band minima has been shown to lead to oscillations in the exchange energy between neighbouring phosphorus donor electron states in silicon \cite{Koiller02,Koiller02A}. These same effects lead to an extreme sensitivity of the exchange energy on the relative orientation of the donor atoms, an issue of crucial importance in the construction silicon-based spin quantum computers. In this article we calculate the donor electron exchange coupling as a function of donor position incorporating the full Bloch structure of the Kohn-Luttinger electron wavefunctions. It is found that due to the rapidly oscillating nature of the terms they produce, the periodic part of the Bloch functions can be safely ignored in the Heitler-London integrals as was done by Koiller et. al. [Phys. Rev. Lett. 88,027903(2002),Phys. Rev. B. 66,115201(2002)], significantly reducing the complexity of calculations. We address issues of fabrication and calculate the expected exchange coupling between neighbouring donors that have been implanted into the silicon substrate using an 15keV ion beam in the so-called 'top down' fabrication scheme for a Kane solid-state quantum computer. In addition we calculate the exchange coupling as a function of the voltage bias on control gates used to manipulate the electron wavefunctions and implement quantum logic operations in the Kane proposal, and find that these gate biases can be used to both increase and decrease the magnitude of the exchange coupling between neighbouring donor electrons. The zero-bias results reconfirm those previously obtained by Koiller.
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