Dhar, Deepak (1980) Central peak in the density of states of a disordered linear chain Physica A: Statistical and Theoretical Physics, 102 (2). pp. 370-378. ISSN 0378-4371
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/037843...
Related URL: http://dx.doi.org/10.1016/0378-4371(80)90142-9
Abstract
We study the density of states of a one-dimensional tightbinding electron model with random hopping elements. The Hamiltonian is H = -∑iJi+½(a+iai+1+a+i+1ai), where the Ji+½'s are independent identically distributed random variables. It is proved that the single particle density of states D(E) diverges near E = 0 as 1/|(E log3|E|)|.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 9278 |
| Deposited On: | 29 Oct 2010 11:55 |
| Last Modified: | 29 Oct 2010 11:55 |
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