Gotan Project - La Revancha del Tango

Wigner Fuction

The statistical properties of a single mode light field are described by the Wigner function W, which is a quasiprobability distribution in phase space that brings out directly the properties of a quantum state. In particular, it can take on negative values, the central concept of interference of probability amplitudes reflects itself in these negative parts.







Schrödinger's Cat State Wigner Function


I present the dynamics of the coupled two level-cavity systems in a dissipative environment. The Master Equation was integrated using a numerical strategy that allows us to consider initial states like Squeezed and Schrödinger’s Cat States. The characterization of the dynamics is done by using the Wigner function.

Evolution of the Squeezed State Wigner Function

L. G. Lutterbach and L. Davidovich, Phys. Rev. Lett., 78, 2547(1997); G. Nogues, A. Rauschenbeutel, et. al., Phys. Rev. A, 62, 054101(2000); A. Bertet, A. Auffeves, et. al., Phys. Rev. Lett., 89, 200402(2002).

Bohemian Rhapsody with Mnozil Brass

The Storm

CLACSA XIII

CLACSA XIII is the continuation of a series of events that started in 1980 as the Latin American Symposium on Surface Physics. Due to the increasingly interdisciplinary nature of this field and its applications, the name of the series was changed into Latin American Conference on Surface Science and Applications. CLACSA XIII will be held in Santa Marta Colombia during the week of 3-7 December 2007.This conference is the thirteen edition of a successful series that is realized every two years. This conference aims to bring together physicists, chemists, biologists and engineers interested in new materials and Nanotechnology, taking into account the development of these areas in Latin America with the purpose of promoting and appropriating Nanotechnology in the region.

The CLACSA XIII is organized with the support of the Sociedad Latinoamericana de Ciencias de Superficie (SLACS), la Universidad de los Andes and Universidad Nacional in Bogotá-Colombia

PURPOSE

To serve as a forum for the exchange of information of research being conducted in the Americas on the physics of solid surfaces and related areas and material science, biomaterials and nano-scale phenomena and technology.

To stimulate collaborative research in this important and very active branch of science between researchers based in Latin America and those in the United States, Canada and Europe.

To promote further development of nanotechnology infrastructure in Latin America.

The conference will consist of plenary lectures, invited talks and oral presentations previously selected among the contributed papers. Poster sections are also planned with the main purpose of motivating discussions between senior physicists and young scientists of our region. We are stimulating the participation of graduate students mainly those developing their theses on topics related to the conference areas.