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New trends in the physics of spinor exciton-polariton condensates : topological defects and low dimensional structures

Abstract : Along this thesis manuscript I shall present some emergent nonlinear phenomena in spinor exciton polariton condensates. After an introductory chapter bringing the necessary background, I will in a first part focus on half-integer topological defects discussing their stability, acceleration and nucleation in the presence of effective magnetic fields. We will see that these objects behave as magnetic charges being fascinating dirac's monopole analogues. Remarkably we will see as well how they can be used as stable signals allowing to seed the physics acoustic black holes analogues. In a second part I will concentrate on low dimensional structures. Especially, I'll describe the formation of gap solitons and the Bloch oscillations of exciton-polaritons in periodically patterned microwires, and besides, the room temperature Josephson oscillations within pairs of coupled micropillars.
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https://tel.archives-ouvertes.fr/tel-00822148
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Submitted on : Tuesday, May 14, 2013 - 11:02:09 AM
Last modification on : Thursday, January 11, 2018 - 6:28:14 AM
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Flayac-2012CLF22262.pdf
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  • HAL Id : tel-00822148, version 1

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Hugo Flayac. New trends in the physics of spinor exciton-polariton condensates : topological defects and low dimensional structures. Other [cond-mat.other]. Université Blaise Pascal - Clermont-Ferrand II, 2012. English. ⟨NNT : 2012CLF22262⟩. ⟨tel-00822148⟩

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