scholarly journals Majorana fermions and multiple topological phase transition in Kitaev ladder topological superconductors

2014 ◽  
Vol 89 (17) ◽  
Author(s):  
Ryohei Wakatsuki ◽  
Motohiko Ezawa ◽  
Naoto Nagaosa
Keyword(s):  
Phase Transition ◽  
Majorana Fermions ◽  
Topological Phase ◽  
Topological Superconductors ◽  
Topological Phase Transition

scholarly journals SIGNATURES IN THE CONDUCTANCE FOR PHASE TRANSITIONS IN EXCITONIC SYSTEMS

2013 ◽  
Vol 27 (25) ◽  
pp. 1350185 ◽  
Author(s):  
H. SOLLER ◽  
D. BREYEL
Keyword(s):  
Phase Transition ◽  
Phase Transitions ◽  
Wigner Crystal ◽  
Majorana Fermions ◽  
Topological Phase ◽  
Two Phase ◽  
Topological Phase Transition ◽  
Simple Models

In this paper, we analyze two phase transitions in exciton bilayer systems: a topological phase transition to a phase which hosts Majorana fermions and a phase transition to a Wigner crystal. Using generic simple models for different phases, we discuss the conductance properties of the latter when contacted to metallic leads and demonstrate the possibility to observe the different phase transitions by simple conductance measurements.

scholarly journals Topological phase transition between a normal insulator and a topological metal state in a quasi-one-dimensional system

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Milad Jangjan ◽  
Mir Vahid Hosseini
Keyword(s):  
Phase Transition ◽  
Dimensional System ◽  
Inversion Symmetry ◽  
Topological Phase ◽  
Edge States ◽  
Zero Energy ◽  
One Dimensional ◽  
Topological Phase Transition ◽  
Metal State ◽  
Topological Metal

AbstractWe theoretically report the finding of a new kind of topological phase transition between a normal insulator and a topological metal state where the closing-reopening of bandgap is accompanied by passing the Fermi level through an additional band. The resulting nontrivial topological metal phase is characterized by stable zero-energy localized edge states that exist within the full gapless bulk states. Such states living on a quasi-one-dimensional system with three sublattices per unit cell are protected by hidden inversion symmetry. While other required symmetries such as chiral, particle-hole, or full inversion symmetry are absent in the system.

scholarly journals Topological Phase Transition and Phonon-Space Dirac Topology Surfaces in ZrTe5

2021 ◽  
Vol 126 (1) ◽  
Author(s):  
Niraj Aryal ◽  
Xilian Jin ◽  
Q. Li ◽  
A. M. Tsvelik ◽  
Weiguo Yin
Keyword(s):  
Phase Transition ◽  
Topological Phase ◽  
Topological Phase Transition
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