2008/01/16 by Rudolf A. Römer, R. A. Römer, Christoph Sohrmann +1
Computer Science · Physics and Astronomy · #Computer science #Condensed matter physics #Electron #Fock space #Hartree–Fock method #Integer (computer science) #Physics #Quantum Computing Algorithms and Architecture #Quantum Hall effect #Quantum and electron transport phenomena #Quantum electrodynamics #Quantum mechanics #Quantum spin Hall effect #Theoretical physics #Topological Materials and Phenomena #cond-mat.dis-nn #cond-mat.mes-hall
paper · pdf · doi:10.1002/pssb.200743321
published as phys. stat. sol. (b) 245, 336-343 (2008) · 13 Wiley-VCH LaTeX pages with 8 figures, style files included
openalex publication_date 2008/01/16 · arxiv created 2008/01/22 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
Abstract We report on numerical studies into the interplay of disorder and electron–electron interactions within the integer quantum Hall regime, where the presence of a strong magnetic field and two‐dimensional confinement of the electronic system profoundly affects thermodynamic and transport properties. We emphasise the behaviour of the electronic compressibility, the local density of states, and the Kubo conductivity. Our treatment of the electron–electron interactions relies on the Hartree‐Fock approximation so as to achieve system sizes comparable to experimental situations. Our results clearly exhibit manifestations of various interaction‐mediated features, such as non‐linear screening, local charging, and g ‐factor enhancement, implying the inadequacy of independent‐particle models for comparison with experimental results. (© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)