Dao‐Xin Yao
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View article: Possible liquid-nitrogen-temperature superconductivity driven by perpendicular electric field in the single-bilayer film of La3Ni2O7 at ambient pressure
Possible liquid-nitrogen-temperature superconductivity driven by perpendicular electric field in the single-bilayer film of La3Ni2O7 at ambient pressure Open
Recently, high-temperature superconductivity (HTSC) is found in the La3Ni2O7/SrLaAlO4 ultrathin film with critical temperature Tc above the McMillan limit at ambient pressure (AP). It is eager to enhance Tc of La3Ni2O7 at AP. We propose th…
View article: Electronic structures and multi-orbital models of La3Ni2O7 thin films at ambient pressure
Electronic structures and multi-orbital models of La3Ni2O7 thin films at ambient pressure Open
The recent discovery of superconductivity with a transition temperature T c exceeding 40 K in La 3 Ni 2 O 7 and (La, Pr) 3 Ni 2 O 7 thin films at ambient pressure marks a significant breakthrough in the field of nickelate superconductors. …
View article: The neurons in NAc core receiving ACC excitatory afferents contribute to chronic postoperative pain
The neurons in NAc core receiving ACC excitatory afferents contribute to chronic postoperative pain Open
Chronic postoperative pain (CPOP) remains a significant clinical challenge, with central sensitization being an important mechanism. However, the neuronal circuit-mediated mechanisms associated with this disorder are poorly understood. Her…
View article: Electronic structures and superconductivity in Nd-doped La$_3$Ni$_2$O$_7$
Electronic structures and superconductivity in Nd-doped La$_3$Ni$_2$O$_7$ Open
The recent discovery of high-$T_c$ superconductivity in Ruddlesden-Popper (RP) nickelates has motivated extensive efforts to explore higher $T_c$ superconductors. Here, we systematically investigate Nd-doped La$_3$Ni$_2$O$_7$ using density…
View article: Near room-temperature magnetic nodal-line semiconductors in technetium-based self-intercalated van der Waals ferrimagnets
Near room-temperature magnetic nodal-line semiconductors in technetium-based self-intercalated van der Waals ferrimagnets Open
Magnetic nodal-line semiconductors, characterized by colossal magnetoresistance due to the lifting of spin orientation-dependent topological band degeneracy, hold great potential for advanced spintronic applications. However, a key challen…
View article: Higher-order Topological States in Chiral Split Magnons of Honeycomb Altermagnets
Higher-order Topological States in Chiral Split Magnons of Honeycomb Altermagnets Open
We theoretically explore higher-order topological magnons in collinear altermagnets, encompassing a dimensional hierarchy ranging from localized corner modes to propagating hinge excitations. By employing antiferromagnetic interlayer coupl…
View article: Pairing mechanism and superconductivity in pressurized La5Ni3O11
Pairing mechanism and superconductivity in pressurized La5Ni3O11 Open
The discovery of superconductivity (SC) with critical temperature Tc above the boiling point of liquid nitrogen in pressurized La3Ni2O7 has sparked a surge of exploration of high-Tc superconductors in the Ruddlesden-Popper (RP) phase nicke…
View article: Pairing symmetry and superconductivity in La$_3$Ni$_2$O$_7$ thin films
Pairing symmetry and superconductivity in La$_3$Ni$_2$O$_7$ thin films Open
The recent discovery of superconductivity with a transition temperature $T_c$ over 40 K in La$_3$Ni$_2$O$_7$ and (La,Pr)$_{3}$Ni$_2$O$_7$ thin films at ambient pressure marks an important step in the field of nickelate superconductors. Her…
View article: Worldline deconfinement and emergent long-range interaction in entanglement Hamiltonian and entanglement spectrum
Worldline deconfinement and emergent long-range interaction in entanglement Hamiltonian and entanglement spectrum Open
When a system exhibits a bulk gap but gapless edge states (e.g., a symmetry-protected topological phase), the entanglement spectrum (ES) resembles the energy spectrum on virtual edge, that is the Li-Haldane conjecture. In this way, the ES …
View article: Pairing mechanism and superconductivity in pressurized La$_5$Ni$_3$O$_{11}$
Pairing mechanism and superconductivity in pressurized La$_5$Ni$_3$O$_{11}$ Open
The discovery of superconductivity (SC) with critical temperature $T_c$ above the boiling point of liquid nitrogen in pressurized La$_3$Ni$_2$O$_{7}$ has sparked a surge of exploration of high-$T_c$ superconductors in the Ruddlesden-Popper…
View article: Exact diagonalization study of the triangular Heisenberg model with four-spin ring-exchange interaction
Exact diagonalization study of the triangular Heisenberg model with four-spin ring-exchange interaction Open
Using Lanczos exact diagonalization (ED), we study the spin-1/2 $J_1$-$J_2$ Heisenberg model with the four-spin ring-exchange interaction $J_r$ on triangular lattice. We mainly use the level spectroscopic technique of two 36-site tori to i…
View article: Magnetization-resolved density of states and quasi-first order transition in the two-dimensional random bond Ising model: an entropic sampling study
Magnetization-resolved density of states and quasi-first order transition in the two-dimensional random bond Ising model: an entropic sampling study Open
Systems with quenched disorder possess complex energy landscapes that are challenging to explore under the conventional Monte Carlo method. In this work, we implement an efficient entropy sampling scheme for accurate computation of the ent…
View article: SuperBand: an Electronic-band and Fermi surface structure database of superconductors
SuperBand: an Electronic-band and Fermi surface structure database of superconductors Open
In comparison to simpler data such as chemical formulas and lattice structures, electronic band structure data provide a more fundamental and intuitive insight into superconducting phenomena. In this work, we generate superconductor's latt…
View article: Electric Field Induced Superconductivity in Bilayer Octagraphene
Electric Field Induced Superconductivity in Bilayer Octagraphene Open
We investigate the energy bands, magnetism, and superconductivity of bilayer octagraphene with A-A stacking under a perpendicular electric field. A tight-binding model is used to analyze the band structure of the system. The doubling of th…
View article: Exact diagonalization study of triangular Heisenberg model with four-spin ring-exchange interaction
Exact diagonalization study of triangular Heisenberg model with four-spin ring-exchange interaction Open
Using Lanczos exact diagonalization (ED), we study the spin-1/2 $J_1$-$J_2$ Heisenberg model with the four-spin ring-exchange interaction $J_r$ on triangular lattice. We mainly use the level spectroscopic technique of two 36-site tori to i…
View article: Multimagnon and multispinon $L_3$-edge RIXS spectra of an effective $\tilde{J}_1-\tilde{J}_2-\tilde{J}_3$ square lattice Heisenberg model
Multimagnon and multispinon $L_3$-edge RIXS spectra of an effective $\tilde{J}_1-\tilde{J}_2-\tilde{J}_3$ square lattice Heisenberg model Open
We investigate the multimagnon and the multispinon $L_3$-edge resonant inelastic x-ray scattering (RIXS) spectra of a spin-1/2 effective $\tilde{J}_1-\tilde{J}_2-\tilde{J}_3$ square lattice Heisenberg model in its Néel ordered phase. Motiv…
View article: Spin order, spin excitations, and RIXS spectra of spin-1/2 tetramer chains
Spin order, spin excitations, and RIXS spectra of spin-1/2 tetramer chains Open
We investigate the spin dynamics of a 1D spin-1/2 Heisenberg tetramer chain. Employing a combination of Density Matrix Renormalization Group, quantum renormalization group, and perturbation theory techniques, we compute the energy levels a…
View article: Electronic structures and multi-orbital models of La$_3$Ni$_2$O$_7$ thin films at ambient pressure
Electronic structures and multi-orbital models of La$_3$Ni$_2$O$_7$ thin films at ambient pressure Open
The recent discovery of superconductivity with a transition temperature $T_c$ exceeding 40 K in La$_3$Ni$_2$O$_7$ and (La,Pr)$_{3}$Ni$_2$O$_7$ thin films at ambient pressure marks a significant breakthrough in the field of nickelate superc…
View article: TAF7 directly targets SAA1 to enhance triple-negative breast cancer metastasis via phosphorylating E-cadherin and N-cadherin
TAF7 directly targets SAA1 to enhance triple-negative breast cancer metastasis via phosphorylating E-cadherin and N-cadherin Open
Identification of metastasis drivers of triple-negative breast cancer (TNBC) is a multifaceted challenge. Here, we identified TATA-box binding protein associated factor 7 (TAF7) as a candidate to modulate TNBC metastasis. TAF7 exhibited hi…
View article: Spin density wave in the bilayered nickelate La3Ni2O7−δ at ambient pressure
Spin density wave in the bilayered nickelate La3Ni2O7−δ at ambient pressure Open
The recent discovery of high-temperature superconductivity in high-pressurized La 3 Ni 2 O 7− δ has garnered significant attention. Using density functional theory, we investigate the magnetic properties of La 3 Ni 2 O 7− δ at ambient pres…
View article: The effect of Carrier Doping and Thickness on the Electronic Structures of La$3$Ni$2$O$7$ Thin Films
The effect of Carrier Doping and Thickness on the Electronic Structures of La$3$Ni$2$O$7$ Thin Films Open
Recently, the superconductivity of bilayer nickelate La3Ni2O7 has been observed in the thin film at ambient pressure, facilitated by epitaxial strain. Here, we investigate the effects of film thickness and carrier doping on the electronic …
View article: Microscopic origin of magnetoferroelectricity in monolayer NiBr$_{2}$ and NiI$_{2}$
Microscopic origin of magnetoferroelectricity in monolayer NiBr$_{2}$ and NiI$_{2}$ Open
We investigate the magnetoelectric properties of the monolayer NiX$_{2}$ (X = Br, I) through first-principles calculations. Our calculations predict that the NiBr$_{2}$ monolayer exhibits a cycloidal magnetic ground state. For the NiI$_{2}…
View article: Large upper critical fields and strong coupling superconductivity in the medium-entropy alloy (Ti1/3Hf1/3Ta1/3)1-xNbx
Large upper critical fields and strong coupling superconductivity in the medium-entropy alloy (Ti1/3Hf1/3Ta1/3)1-xNbx Open
Since the discovery of high-entropy superconductors in 2014, superconductivity has remained a focal point of interest in medium- and high-entropy alloys (MEAs-HEAs). Here, we report a series of (Ti0.33Hf0.33Ta0.33)1-xNbx MEA superconductor…
View article: Superconductivity in the medium entropy alloys Nb2TiW and Nb2TiMo
Superconductivity in the medium entropy alloys Nb2TiW and Nb2TiMo Open
This study describes the synthesis and characterization of Nb2TiW and Nb2TiMo medium entropy alloys (MEAs). The Nb2TiW and Nb2TiMo MEAs can be successfully synthesized by an arc melting method. Their structures and superconducting properti…
View article: Dirac points and Weyl phase in a honeycomb altermagnet
Dirac points and Weyl phase in a honeycomb altermagnet Open
We present unconventional nodal crossings in a two-dimensional (2D) collinear altermagnet, which are enforced by crystal symmetries to lock spin polarization and valley degrees of freedom. The altermagnetism generate nonrelativistic spin-s…
View article: Quantum phase transition and composite excitations of antiferromagnetic spin trimer chains in a magnetic field
Quantum phase transition and composite excitations of antiferromagnetic spin trimer chains in a magnetic field Open
Motivated by recent advancements in theoretical and experimental studies of the high-energy excitations on an antiferromagnetic trimer chain, we numerically investigate the quantum phase transition and composite dynamics in this system by …
View article: Possible Liquid-Nitrogen-Temperature Superconductivity Driven by Perpendicular Electric Field in the Single-Bilayer Film of La$_3$Ni$_2$O$_7$ at Ambient Pressure
Possible Liquid-Nitrogen-Temperature Superconductivity Driven by Perpendicular Electric Field in the Single-Bilayer Film of La$_3$Ni$_2$O$_7$ at Ambient Pressure Open
Recently, high-temperature superconductivity (HTSC) is found in the La$_3$Ni$_2$O$_7$/SrLaAlO$_4$ ultrathin film with critical temperature $T_c$ above the McMillan limit at ambient pressure (AP). It is eager to enhance $T_c$ of La$_3$Ni$_2…
View article: Direct observation of topological magnon edge states
Direct observation of topological magnon edge states Open
Magnons, the quanta of spin waves, can serve as information carriers with promising applications in ultra-low-power spintronic devices.1,2 Magnon Chern insulators (MCIs) exhibiting unique topological magnon band structures featuring chiral…