Unravelling open-system quantum dynamics of non-interacting Fermions

被引：4

作者：

Ruan, Zhu ^{[1
]}

Baer, Roi ^{[1
]}

机构：

[1] Hebrew Univ Jerusalem, Fritz Haber Ctr Mol Dynam, Inst Chem, Jerusalem, Israel

来源：

MOLECULAR PHYSICS | 2018年 / 116卷 / 19-20期

基金：

以色列科学基金会;

关键词：

Lindblad equations; density matrix; open quantum systems; open fermion system; FIELD MONTE-CARLO; ELECTRONIC-STRUCTURE; MOLECULAR-DYNAMICS; NANOCRYSTALS; SPECTROSCOPY; SEMIGROUPS; EQUATION;

D O I：

10.1080/00268976.2018.1456685

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The Lindblad equation is commonly used for studying quantum dynamics in open systems that cannot be completely isolated from an environment, relevant to a broad variety of research fields, such as atomic physics, materials science, quantum biology and quantum information and computing. For electrons in condensed matter systems, the Lindblad dynamics is intractable even if their mutual Coulomb repulsion could somehow be switched off. This is because they would still be able to affect each other by interacting with the bath. Here, we develop an approximate approach, based on the Hubbard-Stratonovich transformation, which allows to evolve non-interacting Fermions in open quantum systems. We discuss several applications for systems of trapped 1D Fermions showing promising results.

引用

页码：2490 / 2496

页数：7

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