Topological Quantum Phase Transition of Light in Cavity QED Lattice

被引：0

作者：

Chandan, G. N. ^{[1
]}

Banerjee, Nepal ^{[1
]}

Sarkar, Sujit ^{[1
]}

机构：

[1] Poornaprajna Inst Sci Res, Bangalore 560080, Karnataka, India

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2016年 / 85卷 / 01期

关键词：

SUPERCONDUCTIVITY;

D O I：

10.7566/JPSJ.85.014004

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Our theoretical study shows the existence of topological quantum phase transition of light in Cavity QED lattice. We present the conditions for topological phase transition for three different model Hamiltonians in cavity QED lattice. We study these topological quantum phase transition through winding number calculation which is the first study in the literature. We show that the non-topological state is the vacuum state of the system where each cavity contains fermionic type excitations from light-matter interaction whereas the topological state of system contains Majorana modes of excitations at the two end points of cavity QED lattice.

引用

页数：6

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