Research in the Gweon Group
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Two leg ladder compounds
Two leg ladder compounds are quasi-one dimensional cuprates that are famous for sharing certain key properties of quasi-two dimensional cuprates. As the many body theory is more conclusive for one-dimensional systems, quasi-one dimensional cuprates are nice reference systems to study.
For this reason, in the Gweon group, we study two leg ladder compounds, in addition to quasi-two dimensional cuprates (Bi2212, NaCCOC, LSCO).
We are studying Fermi surface, charge ordering gap, and spin gap, which are all essential to the discussion of the cuprate physics in general. We have one of the best ARPES results, and can resolve the band structure the best (see the image shown on the left).
Student
- Gregory Kaminsky is actively involved in this project, and he is writing up a manuscript.