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Numerical Studies of Metal—Insulator Transitions in Disordered Hubbard Models

S. Chiesa, R.T. Scalettar, P.J.H. Denteneer, P. Chakraborty, T. Paiva, and S. Story

in Conductor-Insulator Quantum Phase Transitions

Published in print:
2012
Published Online:
September 2012
ISBN:
9780199592593
eISBN:
9780191741050
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199592593.003.0005
Subject:
Physics, Theoretical, Computational, and Statistical Physics

This chapter reviews Determinant Quantum Monte Carlo studies of the disordered Hubbard Hamiltonian. The effect of the interplay of interactions and a variety of realizations of the randomness, ... More


Penultimate Fate of a Dirty-Fermi Liquid

Alexander Punnoose and Alexander M. Finkel’stein

in Conductor-Insulator Quantum Phase Transitions

Published in print:
2012
Published Online:
September 2012
ISBN:
9780199592593
eISBN:
9780191741050
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199592593.003.0004
Subject:
Physics, Theoretical, Computational, and Statistical Physics

This chapter reviews here the two-parameter scaling theory of the dirty Fermi-liquid. The chapter shows that this theory captures both quantitatively (for small disorder) and qualitatively (for large ... More


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