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29 March 2024
 
  » arxiv » cond-mat/9711081

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Orthogonality catastrophe in a composite fermion liquid
Darren J.T. Leonard ; T. Portengen ; V. Nikos Nicopoulos ; Neil F. Johnson ;
Date 10 Nov 1997
Subject Mesoscopic Systems and Quantum Hall Effect; Strongly Correlated Electrons | cond-mat.mes-hall cond-mat.str-el
AbstractWe discuss the emergence of an orthogonality catastrophe in the response of a composite fermion liquid as the filling factor u approaches 1/2m, where m=1,2,3.... A tunneling experiment is proposed in which dramatic changes in the I-V characteristic should be observable as u is varied. Explicit I-V characteristics calculated within the so-called Modified Random Phase Approximation, are provided for u=1/3 -> u=1/2.
Source arXiv, cond-mat/9711081
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