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Characterization of the LIGO detectors during their sixth science run
The LIGO Scientific Collaboration, The Virgo Collaboration, J. Aasi +867
In 2009-2010, the Laser Interferometer Gravitational-wave Observa- tory (LIGO) operated together with international partners Virgo and GEO600 as a network to search for gravitation…
Fermi Surface Topology and Hotspots Distribution in Kondo Lattice System CeB6
Madhab Neupane, Nasser Alidoust, Guang Bian +13
We present high-resolution angle-resolved photoemission spectroscopy studies of trivalent CeB6 and divalent BaB6 rare-earth hexaborides. We find that the Fermi surface electronic s…
Observation of metallic surface states in the strongly correlated Kitaev-Heisenberg candidate Na2IrO3
Nasser Alidoust, Chang Liu, Su-Yang Xu +11
We report high-resolution angle-resolved photoemission spectroscopy measurements on the honeycomb iridate Na2IrO3. Our measurements reveal the existence of a metallic surface band…
Momentum space imaging of Cooper pairing in a half-Dirac-gas topological superconductor (a helical 2D topological superconductor)
Su-Yang Xu, Nasser Alidoust, Ilya Belopolski +14
Superconductivity in Dirac electrons has recently been proposed as a new platform between novel concepts in high-energy and condensed matter physics. It has been proposed that supe…
Searching for stochastic gravitational waves using data from the two co-located LIGO Hanford detectors
The LIGO Scientific Collaboration, the Virgo Collaboration, J. Aasi +873
Searches for a stochastic gravitational-wave background (SGWB) using terrestrial detectors typically involve cross-correlating data from pairs of detectors. The sensitivity of such…
Observation of Quantum-Tunneling Modulated Spin Texture in Ultrathin Topological Insulator Bi2Se3 Films
Madhab Neupane, Anthony Richardella, Jaime Sánchez-Barriga +18
Understanding the spin-texture behavior of boundary modes in ultrathin topological insulator films is critically essential for the design and fabrication of functional nano-devices…
Non-Kondo-like Electronic Structure in the Correlated Rare-Earth Hexaboride YbB
Madhab Neupane, Su-Yang Xu, Nasser Alidoust +11
We present angle-resolved photoemission studies on the rare-earth hexaboride YbB, which has recently been predicted to be a topological Kondo insulator. Our data do not agree w…
Search for superconducting proximity effect in a topological insulator and high temperature superconductor heterostructure Bi2Se3/Bi2Sr2CaCu2O8+
Su-Yang Xu, Chang Liu, Anthony Richardella +6
Understanding the superconducting proximity effect on the surface of a topological insulator is of critical importance in realizing topological superconductivity and Majorana fermi…
Spin correlated electronic state on the surface of a spin-orbit Mott system (Layered Iridates)
Chang Liu, Su-Yang Xu, Nasser Alidoust +13
Novel phases of two dimensional electron systems resulting from new surface or interface modified electronic structures have generated significant interest in material science. We…
Saddle point singularity and topological phase diagram in a tunable topological crystalline insulator (TCI)
Madhab Neupane, Su-Yang Xu, R. Sankar +15
A topological crystalline insulator (TCI) is a new phase of topological matter, which is predicted to exhibit distinct topological quantum phenomena, since space group symmetries r…