Figure 2 (IMAGE) Science China Press Caption (a) The band structure of WS2/WSe2 heterobilayers. (a, b) The distribution of the hole |+〉 and electron |−〉 states associated with (b) the K-K excitation and (c) the Γ-K excitation. (d) The optical absorption spectra of WS2/WSe2 heterobilayers. (e) The real-space distribution of the charge density in the TDE. Credit ©Science China Press Usage Restrictions Use with credit. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.