Year: 2025
Type: article
Abstract: Spin-triplet superconductivity is a key platform for topological quantum computing, yet its experimental realization and control in solid-state materials remain a significant challenge. For this purpose, we propose an ultrafast optical strategy to manipulate spin-triplet superconductivity by leveraging p-wave pairing instabilities in the extended Hubbard model, a framework applicable to transition-metal oxides. Utilizing Floquet engineering, we demonstrate that transient flipping of the effective spin-exchange interaction can enhance p-wave pairing correlations under linearly polarized optical pulses. Furthermore, we reveal that this emergent spin-triplet pairing in strongly correlated systems can be selectively switched by an orthogonal optical pulse. This work provides a pathway for stabilizing and controlling spin-triplet superconductivity in correlated materials. Spin-triplet superconductivity offers a promising route to topological quantum computation, yet its realization and control in solids remain challenging. Here, through the framework of Floquet engineering, the authors propose using polarized-laser irradiation to selectively manipulate p- wave pairing correlations for transition metal oxide systems and verify its feasibility using a dynamical simulation.
Source: Communications Physics
Authors: Zecheng Shen, Chendi Xie, Wei-Chih Chen, Yao Wang
Institutions: Emory University, Clemson University
Language: English
Subfield: Condensed Matter Physics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: gold
Estimated APC paid: $3,990
OpenAlex ID: W4416631689