scholarly journals Dynamically Emerging Topological Phase Transitions in Nonlinear Interacting Soliton Lattices

2021 ◽  
Vol 127 (18) ◽  
Author(s):  
Domenico Bongiovanni ◽  
Dario Jukić ◽  
Zhichan Hu ◽  
Frane Lunić ◽  
Yi Hu ◽  
...  
Keyword(s):  
Phase Transitions ◽  
Topological Phase ◽  
Soliton Lattices ◽  
Topological Phase Transitions

scholarly journals Dynamically Emerging Topological Phase Transitions in Nonlinear Interacting Soliton Lattices

2021 ◽  
Author(s):  
Domenico Bongiovanni ◽  
Dario Jukić ◽  
Zhichan Hu ◽  
Frane Lunić ◽  
Yi Hu ◽  
...  
Keyword(s):  
Phase Transitions ◽  
Topological Phase ◽  
Soliton Lattices ◽  
Topological Phase Transitions

scholarly journals Creating polar antivortex in PbTiO3/SrTiO3 superlattice

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
Adeel Y. Abid ◽  
Yuanwei Sun ◽  
Xu Hou ◽  
Congbing Tan ◽  
Xiangli Zhong ◽  
...  
Keyword(s):  
Phase Transitions ◽  
Phase Field ◽  
Driving Force ◽  
Topological Phase ◽  
Phase Field Simulation ◽  
Topological Structures ◽  
Field Simulation ◽  
Condensed Matters ◽  
Topological Phase Transitions ◽  
Insight Into

AbstractNontrivial topological structures offer a rich playground in condensed matters and promise alternative device configurations for post-Moore electronics. While recently a number of polar topologies have been discovered in confined ferroelectric PbTiO3 within artificially engineered PbTiO3/SrTiO3 superlattices, little attention was paid to possible topological polar structures in SrTiO3. Here we successfully create previously unrealized polar antivortices within the SrTiO3 of PbTiO3/SrTiO3 superlattices, accomplished by carefully engineering their thicknesses guided by phase-field simulation. Field- and thermal-induced Kosterlitz–Thouless-like topological phase transitions have also been demonstrated, and it was discovered that the driving force for antivortex formation is electrostatic instead of elastic. This work completes an important missing link in polar topologies, expands the reaches of topological structures, and offers insight into searching and manipulating polar textures.

scholarly journals Interaction-driven topological phase transitions in fermionic SU(3) systems

2020 ◽  
Vol 101 (24) ◽  
Author(s):  
Mohsen Hafez-Torbati ◽  
Jun-Hui Zheng ◽  
Bernhard Irsigler ◽  
Walter Hofstetter
Keyword(s):  
Phase Transitions ◽  
Topological Phase ◽  
Topological Phase Transitions
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