Nontrivial quantum oscillation geometric phase shift in a trivial band

• Main Authors: Datta, Biswajit, Adak, Pratap Chandra, Shi, Li-kun, Watanabe, Kenji, Taniguchi, Takashi, Song, Justin Chien Wen, Deshmukh, Mandar M.
• Other Authors: School of Physical and Mathematical Sciences
• Format: Article
• Language: English
• Published: 2020
• Subjects: Physics - Mesoscopic Systems and Quantum Hall Effect; Quantum Oscillation; Trivial Band
• Online Access: https://hdl.handle.net/10356/143939
• Institution: Nanyang Technological University

Quantum oscillations provide a notable visualization of the Fermi surface of metals, including associated geometrical phases such as Berry's phase, that play a central role in topological quantum materials. Here we report the existence of a new quantum oscillation phase shift in a multiband sys...