Electronic Band Structure Engineering and Ultrafast Dynamics of Dirac Semimetals (Springer Theses)

Supervisor’s Foreword
Abstract
Contents
Symbols and Acronyms
1 Introduction
	1.1 Overview of Dirac Semimetal
		1.1.1 2D Dirac Semimetal
		1.1.2 3D Dirac Semimetal
	1.2 Intriguing Light-Matter Interaction in Dirac Semimetal
		1.2.1 Ultrafast Dynamics and Population Inversion
		1.2.2 Floquet Engineering in Dirac Semimetal
	References
2 Experimental Techniques
	2.1 Angle-Resolved Photoemission Spectroscopy
		2.1.1 Basic Principles
		2.1.2 Instruments
	2.2 Time- and Angle-Resolved Photoemission Spectroscopy
		2.2.1 Basic Principles
		2.2.2 Special Technical Considerations
	References
3 Development of Novel TrARPES with Tunable Probe Photon Energy for 3D Quantum Materials
	3.1 Research Motivation
	3.2 TrARPES with Tunable Probe Photon Energy
		3.2.1 Experimental Setup
		3.2.2 Tunable Probe Photon Energy
		3.2.3 Considerations for the Time Resolution
		3.2.4 TrARPES Functionality
	3.3 Conclusions
	References
4 Chiral Symmetry Breaking in Kekulé-Ordered Graphene
	4.1 Research Motivation
	4.2 Experimental Evidence of Chiral Symmetry Breaking
		4.2.1 Preparation of Kekulé-Ordered Graphene
		4.2.2 Evidence of CSB 1: Band Gap Opening
		4.2.3 Evidence of CSB 2: Kekulé-O Order
		4.2.4 Evidence of CSB 3: Chirality Mixing
	4.3 Conclusion
	References
5 Coexistence of Flat Band and Kekulé Order
	5.1 Research Motivation
	5.2 Extremely High Doping Level
	5.3 Strong el-ph Coupling
	5.4 Co-development of Flat Band and Kekulé Order
	5.5 Conclusion
	References
6 Dirac Fermion Cooling in 3D Dirac Semimetal Cd3As2
	6.1 Research Motivation
	6.2 Revealing the 3D Dirac Cone
	6.3 Photoexcited Carrier Dynamics
	6.4 Ultrafast Thermodynamics
	6.5 Population Inversion
	6.6 Conclusion
	References
7 Summary and Prospects
	References