T
Thors Hans Hansson
Researcher at Stockholm University
Publications - 110
Citations - 3278
Thors Hans Hansson is an academic researcher from Stockholm University. The author has contributed to research in topics: Quantum Hall effect & Quantum chromodynamics. The author has an hindex of 27, co-authored 108 publications receiving 3095 citations. Previous affiliations of Thors Hans Hansson include University of California, Santa Barbara & Princeton University.
Papers
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Effective-field-theory model for the fractional quantum Hall effect
TL;DR: A field-theory model for the fractional quantum Hall effect and an approximate coarse-grained version of the same model are derived, and a Landau-Ginzburg theory similar to that of Girvin is constructed.
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Superconductors are topologically ordered
TL;DR: In this article, it was shown that the superconducting state exhibits topological order in the sense of Wen, i.e., while it lacks a local order parameter, it is sensitive to the global topology of the underlying manifold and exhibits an associated fractionalization of quantum numbers.
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Explicit solution to the N-body Calogero problem
TL;DR: In this article, the N-body Calogero problem is solved by constructing annihilation and creation operators of the form ⊣ 1 = ( 1 √ 2 )(x i ± i p i ), where p i is a modified momentum operator obeying Heisenberg-type commutation relations with xi, involving explicitly permutation operators.
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The Calogero model: Anyonic representation, fermionic extension and supersymmetry
TL;DR: In this paper, the equivalence between anyons and anyons in the lowest Landau level was established using a complex representation of the deformed Heisenberg algebra underlying the Calogero model, and a construction based on supersymmetry was used to extend the operator method to include fermions.
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Quantum Hall physics : Hierarchies and conformal field theory techniques
TL;DR: The fractional quantum Hall effect has been one of the most studied phenomena in condensed matter physics during the past 30 years and has generated many ground-breaking new ideas and concepts as mentioned in this paper.