Direct Spectroscopic Evidence of Spin-Dependent Hybridization between Rashba-Split Surface States and Quantum-Well StatesRemoveKe He, Yasuo Takeichi, Manami Ogawa, Taichi Okuda, P. Moras, D. Topwal, Ayumi Harasawa, Toru Hirahara, C. Carbone, Akito Kakizaki, and Iwao MatsudaPhys. Rev. Lett. 104, 156805 (2010)