Terahertz crystal electric field transitions in a Kondo-lattice antiferromagnet
Hybridization between the localized f-electrons and the delocalized conduction electrons together with the crystal electric field (CEF) play a determinant role in governing the many-body ground state...
View ArticleCoupling strongly correlated electron systems to a tunable electronic reservoir
We study the effect of coupling an electronic reservoir to a Hubbard model and to a Dimer Hubbard Model. This is motivated by recent experiments on the effect of illumination on the insulator-metal...
View ArticleProfiles of static liquid-gas interfaces in axisymmetrical containers under...
Second order perturbation solutions of profiles of bubbles suspended in liquid and liquid gas interfaces when liquid all sinks in the bottom under different accelerations are derived. Six procedures...
View ArticleMultiple intermediate phases in the interpolating Aubry-Andr\'{e}-Fibonacci...
We investigate a generalized interpolating Aubry-Andr\'{e}-Fibonacci (IAAF) model with p-wave superconducting pairing. In the Aubry-Andr\'{e} limit, we demonstrate that the system experiences...
View ArticleThe fate of optical excitons in FAPbI3 nanocube superlattices
Understanding the nature of the photoexcitation and ultrafast charge dynamics pathways in organic halide perovskite superlattices is key for their potential applications as tunable light emitters,...
View ArticleCoherent and dissipative coupling in a magneto-mechanical system
Hybrid elastic and spin waves hold promises for energy-efficient and versatile generation and detection of magnetic signals, with potentially long coherence times. Here we report on the combined...
View ArticleAnomalous photo-induced band renormalization in correlated materials: Case...
We investigate the anomalous photo-induced band renormalization in correlated materials, exemplified by the case of Ta$_2$NiSe$_5$. The manifestation of this anomaly is characterized by the alternating...
View ArticleTunable high-temperature tunneling magnetoresistance in all-van der Waals...
Magnetic tunnel junctions (MTJs) have been widely applied in spintronic devices for efficient spin detection through the imbalance of spin polarization at the Fermi level. The van der Waals (vdW)...
View ArticleTwo-Dimensional Phase-Fluctuating Superconductivity in Bulk-Crystalline...
We present a combined growth and transport study of superconducting single-crystalline NdO$_{0.5}$F$_{0.5}$BiS$_2$. Evidence of two-dimensional superconductivity with significant phase fluctuations of...
View ArticleEmpirical tight-binding method for large-supercell simulations of disordered...
We analyze and present applications of a recently proposed empirical tight-binding scheme for investigating the effects of alloy disorder on various electronic and optical properties of semiconductor...
View ArticleOnset of nonequilibrium in a driven Anderson insulator
The onset of nonequilibrium in a driven Anderson-insulator is identified by monitoring the system with two-thermometers. Features of nonequilibrium appear at surprisingly weak drive intensity...
View ArticleSuperconducting spin valves based on...
Proximity effect at superconductor/antiferromagnet (S/AF) interfaces, which manifests itself as generation of Neel-type triplet correlations, leads to sensitivity of the superconducting critical...
View ArticleInfluence of magnetism on vertical hopping transport in CrSBr
We investigate the c-direction conduction in CrSBr in the linear regime, not accessible in other van der Waals (vdW) magnetic semiconductors, because of the unmeasurably low current. The resistivity --...
View ArticleExploring the giant dynamical Franz-Keldysh effect in massless Dirac materials
The dynamical Franz-Keldysh effect, indicative of the transient light-matter interaction regime between quantum and classical realms, is widely recognized as an essential signature in wide bandgap...
View ArticleCollective quantum stochastic resonance in Rydberg atoms
We study the collective response of a group of dissipative Rydberg atoms to a periodic modulation of the Rydberg excitation laser. Focusing on the emergent collective-jump dynamics, where the system...
View ArticleElectrical characterization of all-epitaxial Fe/GaN(0001) Schottky tunnel...
We analyze the properties of Fe Schottky contacts prepared in situ on n-type GaN(0001) by molecular beam epitaxy. In particular, we investigate the suitability of these epitaxial Fe layers for...
View ArticleBardeen-Cooper-Schrieffer interaction as an infinite-range Penson-Kolb...
We demonstrate that the well-known $(k\uparrow, -k\downarrow)$ Bardeen-Cooper-Schrieffer interaction, when considered in real space, is equivalent to an infinite-range Penson-Kolb pairing mechanism...
View ArticleMolecular Beam Epitaxy of GaN Nanowires on Epitaxial Graphene
We demonstrate an all-epitaxial and scalable growth approach to fabricate single-crystalline GaN nanowires on graphene by plasma-assisted molecular beam epitaxy. As substrate, we explore several types...
View ArticleObservation of dielectrically confined excitons in ultrathin GaN nanowires up...
The realization of semiconductor structures with stable excitons at room temperature is crucial for the development of excitonics and polaritonics. Quantum confinement has commonly been employed for...
View ArticleQuasicondensation and off-diagonal long-range order of hard-core bosons...
Quasicondensation in one dimension is known to occur for equilibrium systems of hard-core bosons (HCBs) at zero temperature. This phenomenon arises due to the off-diagonal long-range order in the...
View ArticleLine tension in a thick soap film
The thickness of freshly made soap films is usually in the micron range, and interference colors make thickness fluctuations easily visible. Circular patterns of constant thickness are commonly...
View ArticleModelling the non-steady peeling of viscoelastic tapes
We present a model to study the non-steady V-shaped peeling of a viscoelastic thin tape adhering to a rigid flat substrate. Geometry evolution and viscoelastic creep in the tape are the main features...
View ArticleIntermittent random walks under stochastic resetting
We analyze a one-dimensional intermittent random walk on an unbounded domain in the presence of stochastic resetting. In this process, the walker alternates between local intensive search, diffusion,...
View ArticleEmerging two-dimensional conductivity at Mott-band insulator interface
Intriguingly conducting perovskite interfaces between ordinary band insulators are widely explored, whereas similar interfaces with Mott insulators are still not quite understood. Here we address the...
View ArticleVanadium-Doped Molybdenum Disulfide Monolayers with Tunable Electronic and...
Monolayers of molybdenum disulfide (MoS2) are the most studied two-dimensional (2D) transition-metal dichalcogenides (TMDs), due to its exceptional optical, electronic, and opto-electronic properties....
View ArticleAccurate and efficient prediction of the band gaps and optical spectra of...
The accurate prediction of electronic and optical properties in chalcopyrite semiconductors has been a persistent challenge for density functional theory (DFT) based approaches. Addressing this issue,...
View ArticleSimulation of the formation of patterned polymer films: using composite...
The continuing development of evaporative lithography is important for many areas such as the creation of photonic crystals for optronics and microelectronics, the development of biosensors for medical...
View ArticleHeavy-fermions in frustrated Hund's metal with portions of incipient flat-bands
Flat-bands induced by destructive interference of hoppings in frustrated lattices such as kagome metals, have been extensively studied in recent years since they may lead to strongly correlated...
View ArticleFormation of highly stable interfacial nitrogen gas hydrate overlayers under...
Surfaces (interfaces) dictate many physical and chemical properties of solid materials and adsorbates considerably affect these properties. Nitrogen molecules, which are the most abundant constituent...
View ArticleUnexpected linear conductivity in Landau-Zener model: limitations and...
The nonequilibrium steady states of quantum materials have many challenges. Here, we highlight issues with the relaxation time approximation (RTA) for the DC conductivity in insulating systems. The RTA...
View ArticleEvidence of electron correlation and unusual spectral evolution in an exotic...
We study the electronic structure of an exotic superconductor, PdTe employing depth-resolved high resolution photoemission spectroscopy and density functional theory. The valence band spectra exhibit...
View ArticleExceptional magnetic anomalies in TbIrIn5
We study the single crystal growth and the electronic properties of TbIrIn5. The single crystals of TbIrIn5 were grown using the flux method. The analysis of the x-ray diffraction pattern shows...
View ArticleLayer group classification of two-dimensional materials
The symmetry of a crystal structure with a three-dimensional (3D) lattice can be classified by one of the 230 space group types. For some types of crystals, e.g. crystalline films, surfaces, or planar...
View ArticleCanted antiferromagnetism in a spin-orbit coupled $S_{\text{eff}} = 3/2$...
Exploration of nontrivial magnetic states induced by strong spin-orbit interaction is a central topic of frustrated magnetism. Extensive studies are concentrated on rare-earth-based magnets and 4d/5d...
View ArticleUltrafast relaxation dynamics of excited carriers in metals: Simplifying the...
Using the Boltzmann transport equation (BTE), we study the evolution of nonequilibrium carrier distributions in simple ($sp$) metals, assumed to have been instantaneously excited by an ultrafast laser...
View ArticleAccelerating superconductor discovery through tempered deep learning of the...
Integrating deep learning with the search for new electron-phonon superconductors represents a burgeoning field of research, where the primary challenge lies in the computational intensity of...
View ArticleA Loop-Opening Model for the Intrinsic Fracture Energy of Polymer Networks
We present a loop-opening model that accounts for the molecular details of the intrinsic fracture energy for fracturing polymer networks. This model includes not only the energy released from the...
View ArticleContinuum excitations in a spin-supersolid on a triangular lattice
Magnetic, thermodynamic, neutron diffraction and inelastic neutron scattering are used to study spin correlations in the easy-axis XXZ triangular lattice magnet K$_2$Co(SeO$_3$)$_2$. Despite the...
View ArticleTowards Accurate Prediction of Configurational Disorder Properties in...
The prediction of configurational disorder properties, such as configurational entropy and order-disorder phase transition temperature, of compound materials relies on efficient and accurate...
View ArticleNon-additive electronic polarizabilities of ionic liquids: Charge...
Electronic charge delocalization on the molecular backbones of ionic liquid-forming ions substantially impacts their molecular polarizabilities. Density functional theory calculations of...
View ArticleStochastic Distinguishability of Markovian Trajectories
The ability to distinguish between stochastic systems based on their trajectories is crucial in thermodynamics, chemistry, and biophysics. The Kullback-Leibler (KL) divergence,...
View ArticleCopper alloys deterioration due to anthropogenic action
Results are presented from several samples taken from leaves of the Pardon Portico of Mosque-Cathedral of Cordoba, where an alteration on their surface was detected. Metal samples analyzed using X-ray...
View ArticleUltra-low glassy thermal conductivity and controllable, promising...
We thoroughly investigate the microscopic mechanisms of the thermal transport in orthorhombic \textit{o}-CsCu$_5$S$_3$ by integrating the first-principles-based self-consistent phonon calculations...
View ArticleTwo-step conversion of metal and metal oxide precursor films to 2D transition...
From the laboratory to real-world applications, synthesis of two dimensional (2D) materials requires modular techniques to control morphology, structure, chemistry, and the plethora of exciting...
View ArticleApproach to Hyperuniformity of Steady States of Facilitated Exchange Processes
We consider the fluctuations in the number of particles in a box of size L^d in Z^d, d>=1, in the (infinite volume) translation invariant stationary states of the facilitated exclusion process, also...
View ArticleTowards metal electrode interface scavenging of rare-earth scandates: A Sc2O3...
AmorphousGd2O3 and Sc2O3 thin films were deposited on Si by high-pressure sputtering (HPS). In order to reduce the uncontrolled interfacial SiOx growth, firstly a metallic film of Gd or Sc was...
View ArticleOptimization of gadolinium oxide growth deposited on Si by high pressure...
High k gadolinium oxide thin layers were deposited on silicon by high-pressure sputtering (HPS). In order to optimize the properties for microelectronic applications, different deposition conditions...
View ArticleOptimization of scandium oxide growth by high pressure sputtering on silicon
This work demonstrates the viability of scandium oxide deposition on silicon by means of high pressure sputtering. Deposition pressure and radio frequency power are varied for optimization of the...
View ArticleQuantum Fragmentation in the Extended Quantum Breakdown Model
We introduce a one-dimensional (1D) extended quantum breakdown model comprising a fermionic and a spin degree of freedom per site, and featuring a spatially asymmetric breakdown-type interaction...
View ArticleNear-field heat transfer and drag resistance in bilayers of composite fermions
Heat transfer is studied in the system of electron double layers of correlated composite fermion quantum liquids. In the near-field regime, the primary mechanism governing interlayer energy transfer is...
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