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2021-04-01 NITheP Webinar: Dr Paola Obando, Macro-to-micro quantum mapping and the emergence of nonlinearity
2021-04-01 NITheP Webinar
Dr Paola Obando
(Brazilian Center of Research in Physics (CBPF) )
Macro-to-micro quantum mapping and the emergence of nonlinearity

Abstract: As a universal theory of physics, quantum mechanics must assign states to every level of description of a system, and also describe the interconnections among them. Assuming that we only have coarse-grained access to a physical system, here we show how to assign to it a microscopic description that abides by all macroscopic constraints. In order to do that, we employ general coarse-graining maps, allowing our approach to be used even when the split between system and environment is not obvious. As a by-product, we show how effective nonlinear dynamics can emerge from the linear quantum evolution, and we readily apply it to a state discrimination task [https://arxiv.org/pdf/2007.14370.pdf]

Bio: Paola Andrea Concha Obando obtained her Ph.D. in Physics from the Universidade Federal Fluminense, Brazil. Her thesis called “Quantum correlations and quantum coherence in open systems” (https://app.uff.br/riuff/bitstream/1/7415/1/Tese-doutorado.pdf ) has afforded her the opportunity to study different aspects of the quantum information theory, expanding her knowledge in quantum correlations as well as in open quantum systems. She has worked in these areas since her MSc studies at Instituto Balseiro in Argentina. Currently, Paola is a Postdoc at the Brazilian Center of Research in Physics (CBPF) where she is investigating the connections between the macro and micro description by coarse-graining maps.


Her main research interests are focused on open quantum systems, (Markovian and non-Markovian regimes), quantum information,  quantum correlations,  quantum channels, and coarse-graining maps. A list of substantial results from her research, that include some experimental collaborations, can be found at  https://scholar.google.com/citationshl=es&user=fhQB7EsAAAAJ
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Apr 1, 2021 02:00 PM in Johannesburg

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