Di Bello, Grazia (2024) Many-body open quantum systems in and out of equilibrium. [Tesi di dottorato]
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| Tipologia del documento: | Tesi di dottorato |
|---|---|
| Lingua: | English |
| Titolo: | Many-body open quantum systems in and out of equilibrium |
| Autori: | Autore Email Di Bello, Grazia grazia.dibello@unina.it |
| Data: | 11 Dicembre 2024 |
| Numero di pagine: | 157 |
| Istituzione: | Università degli Studi di Napoli Federico II |
| Dipartimento: | Fisica |
| Dottorato: | Quantum Technologies (Tecnologie Quantistiche) |
| Ciclo di dottorato: | 37 |
| Coordinatore del Corso di dottorato: | nome email Tafuri, Francesco francesco.tafuri@unina.it |
| Tutor: | nome email Perroni, Carmine Antonio [non definito] De Filippis, Giulio [non definito] Cataudella, Vittorio [non definito] |
| Data: | 11 Dicembre 2024 |
| Numero di pagine: | 157 |
| Parole chiave: | Open quantum systems, quantum phase transitions, quantum thermodynamics |
| Settori scientifico-disciplinari del MIUR: | Area 02 - Scienze fisiche > FIS/03 - Fisica della materia |
| Informazioni aggiuntive: | Ciclo di dottorato 37esimo |
| Depositato il: | 17 Ott 2025 14:31 |
| Ultima modifica: | 12 Ago 2026 05:37 |
| URI: | https://www.fedoa.unina.it/id/eprint/16434 |
Abstract
This thesis investigates the complex dynamics of open quantum systems, where interaction with the environment introduces phenomena such as relaxation, decoherence, and entanglement, challenging the understanding of quantum coherence and its applications. Employing advanced numerical techniques, this work examines the equilibrium and non-equilibrium behaviors of few-body and many-body quantum systems. Key focus areas include the open quantum Rabi model, where environmental interactions affect coherence and dissipation; environment-induced quantum phase transitions, highlighting the environment's role in driving phase transitions; quantum information encoding, addressing challenges in preserving quantum information under environmental disturbances; and open quantum batteries, exploring the interplay between dissipation and energy storage efficiency. The findings contribute to both theoretical understanding and practical advancements in quantum technologies such as computing, metrology, and energy storage, aiming to bridge the gap between idealized models and real-world quantum systems.
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