Ultrafast electron dynamics in a topological surface state observed in two-dimensional momentum space
We study ultrafast population dynamics in the topological surface state of Sb2Te3 in two-dimensional momentum space with time- and angle-resolved two-photon photoemission spectroscopy. Linearly polarized mid-infrared pump pulses are used to permit a direct optical excitation across the Dirac poin...
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Main Authors: | , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
Philipps-Universität Marburg
2023
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Online Access: | PDF Full Text |
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