期刊
PHYSICAL REVIEW B
卷 98, 期 12, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.98.125410
关键词
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资金
- Atomic, Molecular and Optical Sciences Program, Office of Basic Energy Sciences, the U.S. Department of Energy [DE-FG02-01ER15213]
- Physical Behavior of Materials Program, Office of Basic Energy Sciences the U.S. Department of Energy [DE-SC0007043]
- MURI from the U.S. Air Force Office of Scientific Research [FA9550-15-1-0037]
- EFRI NewLAW Grant from U.S. National Science Foundation [EFMA-1741691]
- U.S. Department of Energy (DOE) [DE-SC0007043, DE-FG02-01ER15213] Funding Source: U.S. Department of Energy (DOE)
- Div Of Electrical, Commun & Cyber Sys
- Directorate For Engineering [1308473] Funding Source: National Science Foundation
We predict that a single oscillation of a strong optical pulse can significantly populate the surface conduction band of a three-dimensional topological insulator, Bi2Se3. Both linearly- and circularly-polarized pulses generate chiral textures of interference fringes of population in the surface Brillouin zones. These fringes constitute a self-referenced electron hologram carrying information on the topology of the surface Bloch bands, in particular, on the effect of the warping term of the low-energy Hamiltonian. These electron-interference phenomena are in sharp contrast to graphene where there are no chiral textures for a linearly-polarized pulse and no interference fringes for circularly-polarized pulse. These predicted reciprocal space electron-population textures can be measured experimentally by time resolved angle resolved photoelectron spectroscopy (TR-ARPES) to gain direct access to non-Abelian Berry curvature at topological insulator surfaces.
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