Nano Archive

Anomalous non-equilibrium electron transport in one-dimensional quantum nano wire at half-filling: time dependent density renormalization group study

Okumura, M and Onishi, H and Yamada, S and Machida, M (2010) Anomalous non-equilibrium electron transport in one-dimensional quantum nano wire at half-filling: time dependent density renormalization group study. Journal of Physics: Conference Series, 248 (1). 012031.

Full text is not hosted in this archive but may be available via the Official URL, or by requesting a copy from the corresponding author.

Official URL: http://stacks.iop.org/1742-6596/248/i=1/a=012031

Abstract

We study non-equilibrium properties of one-dimensional Hubbard model by the density-matrix renormalization-group method. First, we demonstrate stability of "doublon", which characterized by double occupation on a site due to the integrability of the model. Next, we present a kind of anomalous transport caused by the doublons created under strong non-equilibrium conditions in an optical lattice system regarded as an ideal testbed to investigate fundamental properties of the Hubbard model. Finally, we give a result on development of the pair correlation function in a strong non-equilibrium condition. This can be understood as a development of coherence among many excited doublons.

Item Type:Article
ID Code:11185
Deposited By:Prof. Alexey Ivanov
Deposited On:01 Nov 2011 23:25
Last Modified:02 Nov 2011 00:47

Repository Staff Only: item control page