Physics – Mathematical Physics
Scientific paper
2004-08-06
Mathematische Zeitschrift, vol. 252 (2006), 367 - 392
Physics
Mathematical Physics
Uses epic and eepic styles
Scientific paper
10.1007/s00209-005-0860-3
The present paper is devoted to the study of spectral properties of random Schroedinger operators. Using a finite section method for Toeplitz matrices, we prove a Wegner estimate for some alloy type models where the single site potential is allowed to change sign. The results apply to the corresponding discrete model, too. In certain disorder regimes we are able to prove the Lipschitz continuity of the integrated density of states and/or localization near spectral edges.
Kostrykin Vadim
Veselić Ivan
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