A generation-based particle-hole density-matrix renormalization group study of interacting quantum dots

Yuval Weiss; Richard Berkovits

doi:10.1016/j.ssc.2007.12.031

A generation-based particle-hole density-matrix renormalization group study of interacting quantum dots

Yuval Weiss, Richard Berkovits

Department of Physics

Bar-Ilan University

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

The particle-hole version of the density-matrix renormalization-group method (PH-DMRG) is utilized to calculate the ground-state energy of an interacting two-dimensional quantum dot. We show that a modification of the method, termed generation-based PH-DMRG, leads to significant improvement of the results, and discuss its feasibility for the treatment of large systems. As another application we calculate the addition spectrum.

Original language	English
Pages (from-to)	585-589
Number of pages	5
Journal	Solid State Communications
Volume	145
Issue number	11-12
DOIs	https://doi.org/10.1016/j.ssc.2007.12.031
State	Published - Mar 2008

Bibliographical note

Funding Information:
Support from the Israel Academy of Science (Grant 877/04) is gratefully acknowledged.

Keywords

A. Disordered systems
A. Quantum dots
D. Electron-electron interactions

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10.1016/j.ssc.2007.12.031

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abstract = "The particle-hole version of the density-matrix renormalization-group method (PH-DMRG) is utilized to calculate the ground-state energy of an interacting two-dimensional quantum dot. We show that a modification of the method, termed generation-based PH-DMRG, leads to significant improvement of the results, and discuss its feasibility for the treatment of large systems. As another application we calculate the addition spectrum.",

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KW - A. Disordered systems

KW - A. Quantum dots

KW - D. Electron-electron interactions

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A generation-based particle-hole density-matrix renormalization group study of interacting quantum dots

Abstract

Bibliographical note

Keywords

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