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SES200

PES

Results

Ultrafast Optical Excitation of a Persistent Surface-State Population in the Topological Insulator Bi2Se3

2012

Using femtosecond time- and angle-resolved photoemission spectroscopy, we investigated the nonequilibrium dynamics of the topological insulator Bi2Se3. We studied p-type Bi2Se3, in which the metallic Dirac surface state and bulk conduction...

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