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Spin-Polarized Surface Resonances Accompanying Topological Surface State Formation
Chris Jozwiak, Jonathan A. Sobota, Kenneth Gotlieb +7
Topological insulators host spin-polarized surface states born out of the energetic inversion of bulk bands driven by the spin-orbit interaction. Here we discover previously uniden…
Photoelectron spin-flipping and texture manipulation in a topological insulator
Chris Jozwiak, Cheol-Hwan Park, Kenneth Gotlieb +8
Recently discovered materials called three-dimensional topological insulators constitute examples of symmetry protected topological states in the absence of applied magnetic fields…
Widespread spin polarization effects in photoemission from topological insulators
Chris Jozwiak, Yulin Chen, Alexei V. Fedorov +11
High resolution spin- and angle-resolved photoemission spectroscopy (spin-ARPES) was performed on the three-dimensional topological insulator BiSe using a recently develope…
Phase Transition in a Two-level-cavity System in an Ohmic Environment
Chang-Qin Wu, Jian-Xin Li, Dung-Hai Lee
We propose that in the presence of an Ohmic, de-phasing type environment, a two-level-cavity system undergoes a quantum phase transition from a state with damped Rabi oscillation t…
Photoisomerization in a Dissipative Environment
Chang-Qin Wu, Jian-Xin Li, Dung-Hai Lee
We investigate photoisomerization (PI), the shape change of a molecule upon photoabsorption, in a dissipative environment using a simple spin-boson model. We identify two classes o…