Observed quantum dynamics: classical dynamics and lack of Zeno effect

We examine a case study where classical evolution emerges when observing a quantum evolution. By using a single-mode quantum Kerr evolution interrupted by measurement of the double-homodyne kind (projecting the evolved field state into classical-like coherent states or quantum squeezed states), we show that irrespective of whether the measurement is classical or quantum there is no quantum Zeno effect and the evolution turns out to be classical.Comment: 7 pages, 1 figur

Dispersion measures as immunization risk measures

The quadratic and linear cash flow dispersion measures M2 and Ñ are two immunization risk measures designed to build immunized bond portfolios. This paper generalizes these two measures by showing that any dispersion measure is an immunization risk measure and therefore, it sets up a tool to be used in empirical testing. Each new measure is derived from a different set of shocks (changes on the term structure of interest rates) and depends on the corresponding subset of worst shocks. Consequently, a criterion for choosing appropriate immunization risk measures is to take those developed from the most reasonable sets of shocks and the associated subset of worst shocks and then select those that work best empirically. Adopting this approach, this paper then explores both numerical examples and a short empirical study on the Spanish Bond Market in the mid-1990s to show that measures between linear and quadratic are the most appropriate, and amongst them, the linear measure has the best properties. This confirms previous studies on US and Canadian markets that maturity-constrained-duration-matched portfolios also have good empirical behavior.Publicad

Microstructural characterization of Ru-doped NiCoCrAlYTa coupons treated by thermal oxidation

Isothermal oxidation of sintered Ru-doped and undoped Ni-alloy coupons in the range of 1173–1423 K was investigated. To assess the effect of Ruthenium doping, microstructural characterization was performed to compare the samples before and after oxidation treatment at 1173 K. Furthermore, cyclic oxidation tests on the Ru-doped and undoped coupons were carried out in a thermogravimetry apparatus at 1223 and 1323 K. The addition of 0.8 wt.% of Ru in NiCoCrAlYTa powders sintered coupons does not degrade the material’s resistance to oxidation conditions

El cambio del siglo XVI al siglo XVII. 1598 - 1609: Corrupción, refeudalización y crisis del imperio español

Curso de Humanidades: Los cambios de siglo en la Historia de España (siglo XV - siglo XXI)No publicad

Los eslavos. El mayor grupo cultural de Europa

Conferencia impartida en el curso de Humanidades "Grandes ámbitos culturales de la Historia de Europa". Años 2003-2005No publicad

La historia de los turcos

Conferencia impartida en el curso de Humanidades "Grandes ámbitos culturales de la Historia de Europa". Años 2003-2005No publicad

Antes y después del 98. Una experiencia de aprendizaje de la historia contemporánea española e iberoamericana

No publicad

Malta, la cruz y la encrucijada

No publicad