Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2006-08-24
Phys. Rev. Lett. 98, 176801 (2007)
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
4+epsilon pages
Scientific paper
10.1103/PhysRevLett.98.176801
While the values for the fractional charge and fractional statistics coincide for fractional Hall (FQH) states in the Laughlin sequence, they do not for more general FQH states, such as those in the Jain sequence. This mismatch leads to additional phase factors in the weak coupling expansion for tunneling between edge states which alter the nature of the strong tunneling limit. We show here how to construct a weak-strong coupling duality for generalized FQH states with simple unreconstructed edges. The correct dualization of quasiparticles into integer charged fermions is a consistency requirement for a theory of FQH edge states with a simple edge. We show that this duality also applies for weakly reconstructed edges.
Chamon Claudio
Fradkin Eduardo
Lopez Ana
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