Siegl, Julian

Many-Body Phenomena in Low-Dimensional Systems: From Simple Models to Real Materials

Siegl, Julian

(2026) Many-Body Phenomena in Low-Dimensional Systems: From Simple Models to Real Materials. PhD, Universität Regensburg.

Date of publication of this fulltext: 26 Feb 2026 07:54
Thesis of the University of Regensburg
DOI to cite this document: 10.5283/epub.78771

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License: Creative Commons Attribution 4.0

Abstract (English)

This dissertation covers interaction-driven many-body effects in zero, one and two-dimensional systems. Ranging from Coulomb-blockade in quantum-dot junctions to many-body localization in spin chains to the potentially unconventional superconductivity of monolayer 1H-NbSe2, the rich physics of interactions in low-dimensional systems are explored.

Translation of the abstract (German)

Diese Dissertation behandelt wechselwirkungsgetriebene Vielteilcheneffekte in null-, ein-, und zweidimensionalen Systemen. Von der Coulomb-Blockade in Quantenpunktkontakten, über die Vielteilchenlokalisierung in Spinketten, hin zur möglicherweise unkonventionellen Supraleitung von einlagigem 1H-NbSe2, wird die vielfältige Physik der Wechselwirkungen in niedrigdimensionalen Systemen untersucht.

Involved Institutions

Physics > Institute of Theroretical Physics > Chair Professor Grifoni > Group John Schliemann
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Details

Item type	Thesis of the University of Regensburg (PhD)
Open Access Type:	Primary Publication
Date	26 February 2026
Referee	Prof. Dr. John Schliemann
Date of exam	3 November 2025
Institutions	Physics > Institute of Theroretical Physics > Chair Professor Grifoni > Group John Schliemann
Projects	Topologische Phasen und Effekte der Spin-Bahn-Kopplung in getriebenen Supraleitern Funded by: Deutsche Forschungsgemeinschaft (DFG) (466664940)
Keywords	low-dimensions;physics;many-body;transport;superconductivity;many-body-localization
Dewey Decimal Classification	500 Science > 530 Physics
Status	Published
Refereed	Yes, this version has been refereed
Created at the University of Regensburg	Yes
URN of the UB Regensburg	urn:nbn:de:bvb:355-epub-787716
Item ID	78771

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