Este trabalho de reflexão discute o papel relevante da Educação a Distância (EaD) no processo de democratização do ensino superior no Brasil. Iniciamos nossas considerações conceituando o termo Educação a Distância e fazendo uma breve análise de sua abrangência através do uso das diversas mídias, primordialmente das novas tecnologias da informação e comunicação. Destacamos o papel social dessa modalidade de ensino-aprendizagem e quais os desafios que retardam sua expansão, especialmente em universidades públicas. Apontamos a existência de uma forte resistência cultural entre alunos, docentes e instituições educacionais e a necessidade da quebra de paradigmas antigos para alavancar práticas inovadoras. Finalmente, destacamos as primeiras iniciativas da Universidade de São Paulo (USP) no sentido de explorar todo o potencial propiciado pelas novas tecnologias, quer seja em experiências de cunho educacional quer seja no oferecimento de cursos a distância.This paper discusses the role of Distance Education in the process of democratization of education in Brazil. We begin our considerations with the concept of Distance Education and a brief analysis of its range through the use of various Medias, primarily the new technologies of information and communication. We broach the social role of this teaching and learning modality and the challenges that delay its expansion, especially in public universities. We point out the existence of a strong cultural resistance among students, teachers and educational institutions and the necessity to break old paradigms to promote innovative practices. Finally, we talk about the first initiatives at the University of São Paulo (USP) to explore all the potential propitiated by the new technologies, for educational experiences as well the offering of distance courses
We introduce an intermediate state of the light field which is alternative to the binomial state introduced by Stoler et al, thus interpolating between the number state | n ⟩ and the coherent state | α ⟩. A comparison between their properties shows that the amount of nonclassical effects obtained in the present state can be greater than that obtained in the binomial state, depending on the values of the interpolating parameters and the excitations n and n̄α. Quantum coherence effect exhibited by the present state is also discussed.
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