307 citations · 2k across the 25 of their papers we have counts for
26 papers
The Origin of the Observed Raman Peaks in α-MnTe
Nurul Azam, Syed Mohammad Shahed, Liam T. Schmidt +21
The Raman spectrum of the room-temperature altermagnet -MnTe is reported to contain unassigned peaks at 120(3) cm and 140(3) cm, absent from the predicted phonon s…
Pulling order back from the brink of disorder: Observation of a nodal line spin liquid and fluctuation stabilized order in KIrCl
Qiaochu Wang, Alberto de la Torre, Jose A. Rodriguez-Rivera +8
Competing interactions in frustrated magnets can give rise to highly degenerate ground states from which correlated liquid-like states of matter often emerge. The scaling of this d…
Review: Advanced characterization of the spatial variation of moiré heterostructures and moiré excitons
A. de la Torre, D. M. Kennes, E. Malic +1
In this short review, we provide an overview of recent progress in deploying advanced characterization techniques to understand the effects of local inhomogeneities in moiré hetero…
Carrier density crossover and quasiparticle mass enhancement in a doped 5 Mott insulator
Yu-Te Hsu, Andreas Rydh, Maarten Berben +4
High-temperature superconductivity in cuprates emerges upon doping the parent Mott insulator. Robust signatures of the low-doped electronic state include a Hall carrier density tha…
Nanoscale electronic inhomogeneities in 1T-TaS
B. Campbell, J. V. Riffle, A. de la Torre +3
We report a set of scanning tunneling microscopy (STM) and spectroscopy (STS) experiments studying native defects in CVT grown 1T-TaS. Six different sample surfaces from four b…
Dimensionality dependent electronic structure of the exfoliated van der Waals antiferromagnet NiPS
M. F. DiScala, D. Staros, A. de la Torre +6
Resonant Inelastic X-ray Scattering (RIXS) was used to measure the local electronic structure in few-layer exfoliated flakes of the van der Waals antiferromagnet NiPS. The resu…
On the electronic ground state of two non-magnetic pentavalent honeycomb iridates
A. de la Torre, B. Zager, J. R. Chamorro +6
We investigate the electronic structure of two Ir honeycomb iridates, SrCaIrO and NaIrO, by means of resonant x-ray techniques. We confirm that SrCaIr$_2…
Decoupling of static and dynamic criticality in a driven Mott insulator
A. de la Torre, K. L. Seyler, M. Buchhold +12
Dynamically driven interacting quantum many-body systems have the potential to exhibit properties that defy the laws of equilibrium statistical mechanics. A widely studied model is…
Magnetic order, disorder, and excitations under pressure in the Mott insulator SrIrO
Xiang Li, S. E. Cooper, A. Krishnadas +7
Protected by the interplay of on-site Coulomb interactions and spin-orbit coupling, SrIrO at high pressure is a rare example of a Mott insulator with a paramagnetic ground…
Nearly itinerant electronic groundstate in the intercalated honeycomb iridate AgLiIrO
A. de la Torre, B. Zager, F. Bahrami +9
We use x-ray spectroscopy at Ir L/L absorption edge to study powder samples of the intercalated honeycomb magnet AgLiIrO. Based on x-ray absorption and resonant…
Implications of second harmonic generation for hidden order in SrCuOCl
A. de la Torre, S. Di Matteo, D. Hsieh +1
SrCuOCl (SCOC) is a model undoped cuprate with crystallographic symmetry, and a simple magnetic space group with associated magnetic point group $mmm1…
Anomalous mirror symmetry breaking in a model insulating cuprate SrCuOCl
A. de la Torre, K. L. Seyler, L. Zhao +8
Understanding the complex phase diagram of cuprate superconductors is an outstanding challenge. The most actively studied questions surround the nature of the pseudogap and strange…
Floquet Engineering in Quantum Chains
D. M. Kennes, A. de la Torre, A. Ron +2
We consider a one-dimensional interacting spinless fermion model, which displays the well-known Luttinger liquid (LL) to charge density wave (CDW) transition as a function of the r…
Anisotropic exchange and spin-wave damping in pure and electron-doped SrIrO
Davide Pincini, James G. Vale, Christian Donnerer +6
The collective magnetic excitations in the spin-orbit Mott insulator (SrLa)IrO () were investigated by means of resonant inelastic x-r…
Poor electronic screening in lightly doped Mott insulators observed with scanning tunneling microscopy
Irene Battisti, Vitaliy Fedoseev, Koen M. Bastiaans +4
The effective Mott gap measured by scanning tunneling microscopy (STM) in the lightly doped Mott insulator differs greatly from values repor…
Electronic structure of buried LaNiO3 layers in (111)-oriented LaNiO3/LaMnO3 superlattices probed by soft x-ray ARPES
F. Y. Bruno, M. Gibert, S. McKeown Walker +10
Taking advantage of the large electron escape depth of soft x-ray angle resolved photoemission spectroscopy we report electronic structure measurements of (111)-oriented [LaNiO3/La…
Universality of pseudogap and emergent order in lightly doped Mott insulators
Irene Battisti, Koen M. Bastiaans, Vitaly Fedoseev +8
It is widely believed that high-temperature superconductivity in the cuprates emerges from doped Mott insulators. The physics of the parent state seems deceivingly simple: The hopp…
Observation of Large Topologically Trivial Fermi-Arcs in the Candidate Type-II Weyl Semimetal WTe2
F. Y. Bruno, A. Tamai, Q. S. Wu +13
We report angle-resolved photoemission experiments resolving the distinct electronic structure of the inequivalent top and bottom (001) surfaces of WTe2. On both surfaces, we ident…
Tailoring the nature and strength of electron-phonon interactions in the SrTiO(001) two-dimensional electron liquid
Z. Wang, S. McKeown Walker, A. Tamai +20
Surfaces and interfaces offer new possibilities for tailoring the many-body interactions that dominate the electrical and thermal properties of transition metal oxides. Here, we us…
Collapse of the Mott gap and emergence of a nodal liquid in lightly doped SrIrO
A. de la Torre, S. McKeown Walker, F. Y. Bruno +13
Superconductivity in underdoped cuprates emerges from an unusual electronic state characterised by nodal quasiparticles and an antinodal pseudogap. The relation between this state…
A weakly correlated Fermi liquid state with a small Fermi surface in lightly doped SrIrO
Alberto de la Torre, Emily Claire Hunter, Alaska Subedi +7
We characterize the electron doping evolution of (SrLa)IrO by means of angle-resolved photoemission. Concomitant with the metal insulator transition around…
Control of a two-dimensional electron gas on SrTiO3(111) by atomic oxygen
S. McKeown Walker, A. de la Torre, F. Y. Bruno +7
We report on the formation of a two-dimensional electron gas (2DEG) at the bare surface of (111) oriented SrTiO3. Angle resolved photoemission experiments reveal highly itinerant c…
Quasiparticle dynamics and spin-orbital texture of the SrTiO3 two-dimensional electron gas
P. D. C. King, S. McKeown Walker, A. Tamai +7
Two-dimensional electron gases (2DEGs) in SrTiO have become model systems for engineering emergent behaviour in complex transition metal oxides. Understanding the collective in…
Spin-orbit splitting of the Shockley surface state on Cu(111)
A. Tamai, W. Meevasana, P. D. C. King +4
We present angle-resolved photoemission data from Cu(111). Using a focused 6 eV continuous wave laser for photo-excitation, we achieve a high effective momentum resolution enabling…