Luttinger liquid coupled to Ohmic-class environments

被引:6
|
作者
Khedri, Andisheh [1 ]
Strkalj, Antonio [1 ]
Chiocchetta, Alessio [2 ]
Zilberberg, Oded [1 ]
机构
[1] Swiss Fed Inst Technol, Inst Theoret Phys, CH-8093 Zurich, Switzerland
[2] Univ Cologne, Inst Theoret Phys, D-50937 Cologne, Germany
来源
PHYSICAL REVIEW RESEARCH | 2021年 / 3卷 / 03期
基金
瑞士国家科学基金会; 欧洲研究理事会;
关键词
ORTHOGONALITY CATASTROPHE; QUANTIZED CONDUCTANCE; QUANTUM; TRANSPORT; CHARGE; TRANSMISSION; EXCITATIONS; DYNAMICS; BARRIERS; SYSTEMS;
D O I
10.1103/PhysRevResearch.3.L032013
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We investigate the impact of an Ohmic-class environment on the conduction and correlation properties of one-dimensional interacting systems. Interestingly, we reveal that interparticle interactions can be engineered by the environment's noise statistics. Introducing a backscattering impurity to the system, we address Kane-Fisher's metal-to-insulator quantum phase transition in this noisy and realistic setting. Within a perturbative renormalization group approach, we show that the Ohmic environments keep the phase transition intact, while sub- and super-Ohmic environments modify it into a smooth crossover at a scale that depends on the interaction strength within the wire. The system still undergoes a metal-to-insulator-like transition when moving from sub-Ohmic to super-Ohmic environment noise. We cover a broad range of realistic experimental conditions, by exploring the impact of a finite wire length and temperature on transport through the system.
引用
收藏
页数:7
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