Light-Driven Raman Coherence as a Nonthermal Route to Ultrafast Topology Switching in a Dirac Semimetal
C. Vaswani, L.-L. Wang, D. H. Mudiyanselage, Q. Li, P. M. Lozano, G. D. Gu, D. Cheng, B. Song, L. Luo, R. H. J. Kim, C. Huang, Z. Liu, M. Mootz, I. E. Perakis, Y. Yao, K. M. Ho, J. Wang
Abstract
A light-induced phase transition in a Dirac material offers insight into how these materials respond to periodic driving (that is, quantum back-and-forth motion), information necessary for topology-based quantum computation and topological transistors.
Topics & Concepts
PhysicsDirac (video compression format)SemimetalUltrashort pulseCoherence (philosophical gambling strategy)Topology (electrical circuits)QuantumQuantum mechanicsQuantum phasesQuantum computerGraphenePhase (matter)ComputationPhase transitionCondensed matter physicsRaman spectroscopyTopological orderCoherence timeQuantum phase transitionGeometric phaseNetwork topologyQuantum informationTopological insulatorRaman scatteringQuantum technologyQuantum dotTopological Materials and PhenomenaQuantum and electron transport phenomenaChemical and Physical Properties of Materials