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Supersymmetric quantum-Hall effect on a fuzzy supersphere
1Yukawa Institute for Theoretical Physics, Kyoto University, Kyoto 606-8502, Japan. hasebe@yukawa.kyoto-u.ac.jp
Physical Review Letters
|August 11, 2005
Summary
Researchers constructed supersymmetric quantum-Hall liquids using a supersphere and supermonopole. They derived a new wave function for the ground state and identified excited topological objects with fractional charges.
Area of Science:
- Condensed Matter Physics
- High Energy Physics
- Quantum Field Theory
Background:
- Quantum-Hall liquids exhibit exotic topological properties.
- Supersymmetry offers a powerful framework for unifying particles and forces.
- The interplay between these fields remains an active area of research.
Purpose of the Study:
- To construct supersymmetric quantum-Hall liquids.
- To generalize the Laughlin wave function within a supersymmetric framework.
- To explore the nature of topological excitations in these systems.
Main Methods:
- Construction of quantum-Hall liquids on a supersphere in a supermonopole background.
- Derivation of a supersymmetric generalization of the Laughlin wave function.
- Analysis of excited topological objects, including fractionally charged deficits.
Main Results:
- A novel supersymmetric generalization of the Laughlin wave function was derived.
- This wave function describes the ground state of a hard-core OSp(1/2) invariant Hamiltonian.
- Excited topological objects, characterized by fractional charges generated by super Hall currents, were identified.
Conclusions:
- The study successfully constructed supersymmetric quantum-Hall liquids.
- New insights into the topological properties and excitations of these systems were gained.
- Connections between standard quantum-Hall systems and their supersymmetric extensions were elucidated.