Edoardo Baldini

Nonequilibrium Dynamics of Collective Excitations in Quantum Materials (eBook, PDF)

• Format: PDF

Produktbeschreibung

This book studies the dynamics of fundamental collective excitations in quantum materials, focusing on the use of state-of-the-art ultrafast broadband optical spectroscopy. Collective behaviour in solids lies at the origin of several cooperative phenomena that can lead to profound transformations, instabilities and phase transitions. Revealing the dynamics of collective excitations is a topic of pivotal importance in contemporary condensed matter physics, as it provides information on the strength and spatial distribution of interactions and correlation.

The experimental framework explored in this book relies on setting a material out-of-equilibrium by an ultrashort laser pulse and monitoring the photo-induced changes in its optical properties over a broad spectral region in the visible or deep-ultraviolet. Collective excitations (e.g. plasmons, excitons, phonons...) emerge either in the frequency domain as spectral features across the probed range, or in the time domain as coherent modes triggered by the pump pulse. Mapping the temporal evolution of these collective excitations provides access to the hierarchy of low-energy phenomena occurring in the solid during its path towards thermodynamic equilibrium. This methodology is used to investigate a number of strongly interacting and correlated materials with an increasing degree of internal complexity beyond conventional band theory.

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Produktdetails

• Verlag: Springer Nature Switzerland
• Seitenzahl: 316
• Erscheinungstermin: 28. März 2018
• Englisch
• ISBN-13: 9783319774985
• Artikelnr.: 52942092

Autorenporträt

Dr. Edoardo Baldini is an Italian experimental physicist whose research focuses on the nonequilibrium dynamics of quantum many-body systems in the condensed phase. He specialized in the field of ultrafast optical spectroscopy of correlated electron systems at the École Polytechnique Fédérale de Lausanne, from which he obtained a PhD in Physics in 2017. He is currently a postdoctoral researcher at the Massachusetts Institute of Technology, where he is developing new schemes for ultrafast quantum control and photo-induced topological phase transitions.

Inhaltsangabe

Introduction.- Strong Interactions and Correlations.- Equilibrium and Non-equilibrium Spectroscopy of Condensed Matter.- Clocking the Interband Scattering in Strongly Interacting Multiband Metals.- Revealing Bound Exciton Physics in Strongly Interacting Band Insulators.- Probing the Electron-Phonon Interaction in Correlated Electron Systems.- Disentangling the Signatures of Precursor Superconductivity in Cuprates.- Phonon-Mediated Magnetic Order Melting in Multiferroic Mott Insulators.- Conclusions and Future Directions.