Zobrazeno 1 - 10
of 100
pro vyhledávání: '"kondensierte Materie"'
Autor:
Barrat, Julien
Die konforme Feldtheorie findet in verschiedenen Bereichen Anwendungen, von statistischen Systemen in der Nähe kritischer Punkte bis hin zur Quantengravitation durch die AdS/CFT-Korrespondenz. Diese Theorien unterliegen starken Einschränkungen, die
Externí odkaz:
http://edoc.hu-berlin.de/18452/29034
Autor:
Wagner, Niklas
This thesis investigates the effects of electronic correlations – both for weak/intermediate as well as strong coupling – on different models. The focus is on systems that are topologically distinct from conventional metals and insulators. For a
Autor:
Weh, Andreas
Many fascinating features in condensed matter systems emerge due to the interaction between electrons. Magnetism is such a paramount consequence, which is explained in terms of the exchange interaction of electrons. Another prime example is the metal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______3341::136ecf45ee80d62b3104f8b4e03524ec
https://opus.bibliothek.uni-augsburg.de/opus4/files/98991/Weh_Diss.pdf
https://opus.bibliothek.uni-augsburg.de/opus4/files/98991/Weh_Diss.pdf
Hard-core bosons are versatile and useful in describing several physical systems due to their one-to-one mapping with spin-1/2 operators. We propose two frameworks where hard-core boson mapping not only reduces the complexity of the original problem,
Externí odkaz:
https://tud.qucosa.de/id/qucosa%3A83774
https://tud.qucosa.de/api/qucosa%3A83774/attachment/ATT-0/
https://tud.qucosa.de/api/qucosa%3A83774/attachment/ATT-0/
Autor:
Leitherer, Andreas
In den Materialwissenschaften läuten Künstliche-Intelligenz Methoden einen Paradigmenwechsel in Richtung Big-data zentrierter Forschung ein. Datenbanken mit Millionen von Einträgen, sowie hochauflösende Experimente, z.B. Elektronenmikroskopie, en
Externí odkaz:
http://edoc.hu-berlin.de/18452/25605
Autor:
Leitherer, A.
In den Materialwissenschaften läuten Künstliche-Intelligenz Methoden einen Paradigmenwechsel in Richtung Big-data zentrierter Forschung ein. Datenbanken mit Millionen von Einträgen, sowie hochauflösende Experimente, z.B. Elektronenmikroskopie, en
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ce73a833c70dfc1fb20f7ff5ca3a3f2a
http://edoc.hu-berlin.de/18452/25605
http://edoc.hu-berlin.de/18452/25605
Autor:
Lukas Kesper, Julian A. Hochhaus, Marie Schmitz, Malte G. H. Schulte, Ulf Berges, Carsten Westphal
In the last decade, research on 2D materials has expanded massively due to the popularity of graphene. Although the chemical engineering of two-dimensional elemental materials as well as heterostructures has been extensively pursued, the fundamental
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4e78834f9e8c45a78d1a2164780f0ae2
http://hdl.handle.net/2003/41159
http://hdl.handle.net/2003/41159
Autor:
Fischer, Andreas
We study the spin dynamics in an ensemble of singly charged semiconductor quantum dots. The spin of the confined charge carriers can be polarized by coherent laser pulses. Due to the strong localization of the charge carrier, the hyperfine interactio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::378ab6039f530d22889da74e84faf68a
http://hdl.handle.net/2003/41179
http://hdl.handle.net/2003/41179
Autor:
Schmiedinghoff, Gary
Flow equations, also known as continuous unitary transformations, provide a powerful renormalization tool to transform a Hamiltonian and observables to an effective basis, where they take a more amenable form. However, unitary transformations often f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c5f461a93d8cdb82c9769ea49188adff
http://hdl.handle.net/2003/41108
http://hdl.handle.net/2003/41108
Autor:
Rachdi, Lazhar
In this work, plasmas produced during thin film deposition are characterized. The proposed investigations focused on plasmas constituted by silane (SiH4) and ammonia (NH3) gas mixtures due to their extensive use for the deposition of dielectric layer
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fa1c3e458ea07ee5147e438cbb2b88fd