315 citations
- University of PittsburghUS60 papers
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- Kavli Institute for Theoretical PhysicsUS4 papers
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18 papers · 1 filter
Electron Pairing and Nematicity in LaAlO/SrTiO Nanostructures
Aditi Nethwewala, Hyungwoo Lee, Jianan Li +6
Strongly correlated electronic systems exhibit a wealth of unconventional behavior stemming from strong electron-electron interactions. The LaAlO/SrTiO (LAO/STO) heterostru…
Nanoscale control of the metal-insulator transition at LAO/KTO (110) and LAO/KTO (111) interfaces
Muqing Yu, Changjiang Liu, Dengyu Yang +6
Recent reports of superconductivity at KTaO3 (KTO) (110) and (111) interfaces have sparked intense interest due to the relatively high critical temperature as well as other propert…
Gate-Tunable Optical Extinction of Graphene Nanoribbon Nanoclusters
Erin Sheridan, Gang Li, Mamun Sarker +6
We investigate the optical response of graphene nanoribbons (GNRs) using the broadband nonlinear generation and detection capabilities of nanoscale junctions created at the LaAlO$_…
Nanoscale control of LaAlO3/SrTiO3 metal-insulator transition using ultra-low-voltage electron-beam lithography
Dengyu Yang, Shan Hao, Jun Chen +8
We describe a method to control the insulator-metal transition at the LaAlO3/SrTiO3 interface using ultra-low-voltage electron beam lithography (ULV-EBL). Compared with previous re…
Gate-Tunable Optical Nonlinearities and Extinction in Graphene/LaAlO/SrTiO Nanostructures
Erin Sheridan, Lu Chen, Jianan Li +7
Pristine, undoped graphene has a constant absorption of 2.3 % across the visible to near-infrared (VIS-NIR) region of the electromagnetic spectrum. Under certain conditions, such a…
Topological classification of non-Hermitian bands
Zhi Li, Roger S. K. Mong
We proposed a framework for the topological classification of non-Hermitian systems. Different from previous -theoretical approaches, our approach is a homotopy classification,…