Journal
JOURNAL OF PHYSICS-CONDENSED MATTER
Volume 21, Issue 16, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0953-8984/21/16/164217
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In this paper, we briefly summarize the capabilities of state-of-the-art angle-resolved photoemission spectroscopy (ARPES) in the field of experimental condensed matter physics. Due to the advancement of the detector technology and the high flux light sources, ARPES has become a powerful tool to study the low energy excitations of solids, especially those novel quantum materials in which many-body physics are at play. To benchmark today's state-of-the-art ARPES technique, we demonstrate that the precision of today's ARPES has advanced to a regime comparable to the bulk-sensitive de Haas-van Alphen (dHvA) measurements. Finally, as an example of new discoveries driven by the advancement of the ARPES technique, we summarize some of our recent ARPES measurements on underdoped high-T-c superconducting cuprates, which have provided further insight into the complex pseudogap problem.
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