Ivonne Peña

Learn More
2012 iii To my family, teachers, friends, and colleagues: Thanks for shaping me into who I am today. iv This page is intentionally left blank. and the rest of EPP and CMU-Portugal administrative staff have given me. Without great friends and colleagues, being thousands of kilometres away from my home country would be much more difficult. My deepest(More)
a r t i c l e i n f o JEL classification: D2 Q2 H2 R3 Keywords: Feed-in tariffs Wind energy Wind policy Portuguese energy policy Discussions on the appropriate policy design and level of incentive to promote renewable energy adoption and meet the 20/20/20 goals have spurred recently in the European Union. These discussions are also ongoing in Portugal,(More)
We consider anew some puzzling aspects of the equivalence of the quantum field theoretical description of Bremsstrahlung from the inertial and accelerated observer's perspectives. More concretely, we focus on the seemingly paradoxical situation that arises when noting that the radiating source is in thermal equilibrium with the thermal state of the quantum(More)
The Atacama Large Millimeter/submillimeter Array (ALMA) is allowing us to study the innermost regions of the circumstellar envelopes of evolved stars with un-precedented precision and sensitivity. Key processes in the ejection of matter and dust from these objects occur in their inner zones. In this work, we present sub-arcsecond interferometric maps of(More)
  • 1