abstr stringlengths 5 68.5k | title stringlengths 7 794 | journal stringlengths 2 221 | field stringlengths 2 19 | label_journal int64 0 2.73k | label_field int64 0 75 |
|---|---|---|---|---|---|
Fast and high-fidelity quantum state detection is essential for building robust spin-based quantum information processing platforms in semiconductors. The Pauli spin blockade (PSB)-based spin-to-charge conversion and its variants are widely used for the spin state discrimination of two-electron singlet-triplet (ST$_0... | Robust energy selective tunneling readout of singlet triplet qubits under large magnetic field gradient | npj Quantum Information | quant-ph | 2,731 | 65 |
We present programmable two-dimensional arrays of microscopic atomic ensembles consisting of more than 400 sites with nearly uniform filling and small atom number fluctuations. Our approach involves direct projection of light patterns from a digital micromirror device with high spatial resolution onto an optical panc... | Preparation of hundreds of microscopic atomic ensembles in optical tweezer arrays | npj Quantum Information | physics | 2,731 | 56 |
Recent experimental breakthroughs in satellite quantum communications have opened up the possibility of creating a global quantum internet using satellite links. This approach appears to be particularly viable in the near term, due to the lower attenuation of optical signals from satellite to ground, and due to the c... | Spooky action at a global distance: analysis of space-based entanglement distribution for the quantum internet | npj Quantum Information | quant-ph | 2,731 | 65 |
As superconducting qubit circuits become more complex, addressing a large array of qubits becomes a challenging engineering problem. Dense arrays of qubits benefit from, and may require, access via the third dimension to alleviate interconnect crowding. Through-silicon vias (TSVs) represent a promising approach to th... | Solid-state qubits integrated with superconducting through-silicon vias | npj Quantum Information | quant-ph | 2,731 | 65 |
We study the effect of strain on the physical properties of the nitrogen antisite-vacancy pair in hexagonal boron nitride ($h$-BN), a color center that may be employed as a quantum bit in a two-dimensional material. With group theory and ab-initio analysis we show that strong electron-phonon coupling plays a key role... | Giant shift upon strain on the fluorescence spectrum of V$_{\rm N}$N$_{\rm B}$ color centers in $h$-BN | npj Quantum Information | cond-mat | 2,731 | 14 |
We perform magnetic susceptibility and magnetic torque measurements on the organic $\kappa$-(BEDT-TTF)$_2$Hg(SCN)$_2$Br, which is recently suggested to host an exotic quantum dipole-liquid in its low-temperature insulating phase. Below the metal-insulator transition temperature, the magnetic susceptibility follows a ... | Ferromagnetism out of charge fluctuation of strongly correlated electrons in $\kappa$-(BEDT-TTF)$_2$Hg(SCN)$_2$Br | npj Quantum Materials | cond-mat | 2,732 | 14 |
Excitonic insulator is a coherent electronic phase that results from the formation of a macroscopic population of bound particle-hole pairs - excitons. With only a few candidate materials known, the collective excitonic behavior is challenging to observe, being obscured by crystalline lattice effects. Here we use pol... | Critical charge fluctuations and emergent coherence in a strongly correlated excitonic insulator | npj Quantum Materials | cond-mat | 2,732 | 14 |
Among the quantum many-body models that host anyon excitation and topological orders, quantum dimer models (QDM) provide a unique playground for studying the relation between single-anyon and multi-anyon continuum spectra. However, as the prototypical correlated system with local constraints, the generic solution of ... | Topological phase transition and single/multi anyon dynamics of $Z_2$ spin liquid | npj Quantum Materials | cond-mat | 2,732 | 14 |
Quantum materials exhibiting magnetic frustration are connected to diverse phenomena including high-Tc superconductivity, topological order and quantum spin liquids (QSLs). A QSL is a quantum phase (QP) related to a quantum-entangled fluid-like state of matter. Previous experiments on QSL candidate materials are usua... | Quantum Phases and Spin Liquid Properties of 1T-TaS2 | npj Quantum Materials | cond-mat | 2,732 | 14 |
In magnetic Weyl semimetals, where magnetism breaks time-reversal symmetry, large magnetically sensitive anomalous transport responses are anticipated that could be useful for topological spintronics. The identification of new magnetic Weyl semimetals is therefore in high demand, particularly since in these systems W... | Magnetism and anomalous transport in the Weyl semimetal PrAlGe: Possible route to axial gauge fields | npj Quantum Materials | cond-mat | 2,732 | 14 |
Iron diantimonide is a material with the highest known thermoelectric power. By combining scanning transmission electron microscope study with electronic transport neutron, X-ray scattering and first principle calculation we identify atomic defects that control colossal thermopower magnitude and nanoprecipitate clust... | Vacancy defect control of colossal thermopower in FeSb2 | npj Quantum Materials | cond-mat | 2,732 | 14 |
The origin of spontaneous electronic nematic ordering provides important information for understanding iron-based superconductors. Here, we analyze a scenario where the $d_{xy}$ orbital strongly contributes to nematic ordering in FeSe. We show that the addition of $d_{xy}$ nematicity to a pure $d_{xz}/d_{yz}$ order p... | Non-local $d_{xy}$ nematicity and the missing electron pocket in FeSe | npj Quantum Materials | cond-mat | 2,732 | 14 |
Spin photogalvanic effect (SPGE) is an efficient method to generate a spin current by photoexcitation in a contactless and ultra-fast way. In two-dimensional (2D) collinear antiferromagnetic (AFM) materials that preserve the combined time-reversal (T) and inversion (I) symmetry (i.e., TI symmetry), we find that the p... | Spin photogalvanic effect in two-dimensional collinear antiferromagnets | npj Quantum Materials | cond-mat | 2,732 | 14 |
Recently, the observation of large thermal Hall conductivities in correlated insulators with no apparent broken symmetry have generated immense interest and debates on the underlying ground states. Here, considering frustrated magnets with bond-dependent interactions, which are realized in the so-called Kitaev materi... | Magnetic vortex liquid and anomalous thermal Hall conductivity in frustrated magnets with bond-dependent interactions | npj Quantum Materials | cond-mat | 2,732 | 14 |
The helimagnet FeP is part of a family of binary pnictide materials with the MnP-type structure which share a nonsymmorphic crystal symmetry that preserves generic band structure characteristics through changes in elemental composition. It shows many similarities, including in its magnetic order, to isostructural CrA... | Topologically-Driven Linear Magnetoresistance in Helimagnetic FeP | npj Quantum Materials | cond-mat | 2,732 | 14 |
Novel phases of matter with unique properties that emerge from quantum and topological protection present an important thrust of modern research. Of particular interest is to engineer these phases on demand using ultrafast external stimuli, such as photoexcitation, which offers prospects of their integration into fut... | Photoinduced Dirac semimetal in ZrTe5 | npj Quantum Materials | cond-mat | 2,732 | 14 |
We report the evolution of nematic fluctuations in FeSe$_{1-x}$S$_x$ single crystals as a function of Sulfur content $x$ across the nematic quantum critical point (QCP) $x_c\sim$ 0.17 via Raman scattering. The Raman spectra in the $B_{1g}$ nematic channel consist of two components, but only the low energy one display... | Lattice-Shifted Nematic Quantum Critical Point in FeSe$_{1-x}$S$_x$ | npj Quantum Materials | cond-mat | 2,732 | 14 |
Heavily oxygen deficient NdNiO$_3$ (NNO) films, which are insulating due to electron localization, contain pristine regions that undergo a hidden metal-insulator transition. Increasing oxygen content increases the connectivity of the metallic regions and the metal-insulator transition is first revealed, upon reaching... | From hidden metal-insulator transition to Planckian-like dissipation by tuning disorder in a nickelate | npj Quantum Materials | cond-mat | 2,732 | 14 |
Log-periodic quantum oscillations discovered in transition-metal pentatelluride give a clear demonstration of discrete scale invariance (DSI) in solid-state materials. The peculiar phenomenon is convincingly interpreted as the presence of two-body quasi-bound states in a Coulomb potential. However, the modifications ... | Tunable discrete scale invariance in transition-metal pentatelluride flakes | npj Quantum Materials | cond-mat | 2,732 | 14 |
The exploration of topological electronic phases that result from strong electronic correlations is a frontier in condensed matter physics. One class of systems that is currently emerging as a platform for such studies are so-called kagome magnets based on transition metals. Using muon spin-rotation, we explore magne... | Putative helimagnetic phase in the kagome metal Co_3Sn_2-xIn_xS_2 | npj Quantum Materials | cond-mat | 2,732 | 14 |
The surprisingly low current density required for inducing the insulator to metal transition has made Ca$_2$RuO$_4$ an attractive candidate material for developing Mott-based electronics devices. The mechanism driving the resistive switching, however, remains a controversial topic in the field of strongly correlated ... | Universal size-dependent nonlinear charge transport in single crystals of the Mott insulator Ca$_2$RuO$_4$ | npj Quantum Materials | cond-mat | 2,732 | 14 |
Electronic instabilities in transition metal compounds often spontaneously form orbital molecules, which consist of orbital-coupled metal ions at low temperature. Recent local structural studies utilizing the pair distribution function revealed that preformed orbital molecules appear disordered even in the high-tempe... | Slow dynamics of disordered zigzag chain molecules in layered LiVS2 under electron irradiation | npj Quantum Materials | cond-mat | 2,732 | 14 |
The single-layered ruthenate Sr$_2$RuO$_4$ is one of the most enigmatic unconventional superconductors. While for many years it was thought to be the best candidate for a chiral $p$-wave superconducting ground state, desirable for topological quantum computations, recent experiments suggest a singlet state, ruling ou... | Quasiparticle Interference of the van-Hove singularity in Sr$_2$RuO$_4$ | npj Quantum Materials | cond-mat | 2,732 | 14 |
With a combination of numerical methods, including quantum Monte Carlo, exact diagonalization, and a simplified dynamical mean-field model, we consider the attosecond charge dynamics of electrons induced by strong-field laser pulses in two-dimensional Mott insulators. The necessity to go beyond single-particle approa... | High Harmonic Generation in Two-Dimensional Mott Insulators | npj Quantum Materials | cond-mat | 2,732 | 14 |
Geometrical frustration among interacting spins combined with strong quantum fluctuations destabilize long-range magnetic order in favour of more exotic states such as spin liquids. By following this guiding principle, a number of spin liquid candidate systems were identified in quasi-two-dimensional (quasi-2D) syste... | Spin liquid and ferroelectricity close to a quantum critical point in PbCuTe$_2$O$_6$ | npj Quantum Materials | cond-mat | 2,732 | 14 |
Investigations of magnetically ordered phases on the femtosecond timescale have provided significant insights into the influence of charge and lattice degrees of freedom on the magnetic sub-system. However, short-range magnetic correlations occurring in the absence of long-range order, for example in spin-frustrated ... | Probing the interplay between lattice dynamics and short-range magnetic correlations in CuGeO3 with femtosecond RIXS | npj Quantum Materials | cond-mat | 2,732 | 14 |
We obtain geometric models for the infinite loop spaces of the motivic spectra $\mathrm{MGL}$, $\mathrm{MSL}$, and $\mathbf{1}$ over a field. They are motivically equivalent to $\mathbb{Z}\times \mathrm{Hilb}_\infty^\mathrm{lci}(\mathbb{A}^\infty)^+$, $\mathbb{Z}\times \mathrm{Hilb}_\infty^\mathrm{or}(\mathbb{A}^\inf... | On the infinite loop spaces of algebraic cobordism and the motivic sphere | Épijournal de Géométrie Algébrique | math | 2,733 | 41 |
The objective of this work is to reconsider the schematization problem of [6], with a particular focus on the global case over Z. For this, we prove the conjecture [Conj. 2.3.6][15] which gives a formula for the homotopy groups of the schematization of a simply connected homotopy type. We deduce from this several res... | Le probl\`eme de la sch\'ematisation de Grothendieck revisit\'e | Épijournal de Géométrie Algébrique | math | 2,733 | 41 |
Reid's recipe for a finite abelian subgroup $G\subset \text{SL}(3,\mathbb{C})$ is a combinatorial procedure that marks the toric fan of the $G$-Hilbert scheme with irreducible representations of $G$. The geometric McKay correspondence conjecture of Cautis--Logvinenko that describes certain objects in the derived cate... | Combinatorial Reid's recipe for consistent dimer models | Épijournal de Géométrie Algébrique | math | 2,733 | 41 |
We describe intermediate Jacobians of Gushel-Mukai varieties $X$ of dimensions 3 or 5: if $A$ is the Lagrangian space associated with $X$, we prove that the intermediate Jacobian of $X$ is isomorphic to the Albanese variety of the canonical double covering of any of the two dual Eisenbud-Popescu-Walter surfaces assoc... | Gushel--Mukai varieties: intermediate Jacobians | Épijournal de Géométrie Algébrique | math | 2,733 | 41 |
Let $G$ be a connected algebraic group. We study $G$-equivariant extremal contractions whose centre is a codimension three $G$-simply connected orbit. In the spirit of an important result by Kawakita in 2001, we prove that those contractions are weighted blow-ups. | Divisorial contractions to codimension three orbits | Épijournal de Géométrie Algébrique | math | 2,733 | 41 |
We construct an $S_2\times S_n$ invariant full exceptional collection on Hassett spaces of weighted stable rational curves with $n+2$ markings and weights $(\frac{1}{2}+\eta, \frac{1}{2}+\eta,\epsilon,\ldots,\epsilon)$, for $0<\epsilon, \eta\ll1$ and can be identified with symmetric GIT quotients of $(\mathbb{P}^1)^n... | Exceptional collections on certain Hassett spaces | Épijournal de Géométrie Algébrique | math | 2,733 | 41 |
We construct here many families of K3 surfaces that one can obtain as quotients of algebraic surfaces by some subgroups of the rank four complex reflection groups. We find in total 15 families with at worst $ADE$--singularities. In particular we classify all the K3 surfaces that can be obtained as quotients by the de... | Complex reflection groups and K3 surfaces I | Épijournal de Géométrie Algébrique | math | 2,733 | 41 |
We show that any infinite algebraic subgroup of the plane Cremona group over a perfect field is contained in a maximal algebraic subgroup of the plane Cremona group. We classify the maximal groups, and their subgroups of rational points, up to conjugacy by a birational map. | Algebraic subgroups of the plane Cremona group over a perfect field | Épijournal de Géométrie Algébrique | math | 2,733 | 41 |
We formulate a conjecture on actions of the multiplicative group in motivic homotopy theory. In short, if the multiplicative group G_m acts on a quasi-projective scheme U such that U is attracted as t approaches 0 in G_m to a closed subset Y in U, then the inclusion from Y to U should be an A^1-homotopy equivalence. ... | Torus actions, Morse homology, and the Hilbert scheme of points on affine space | Épijournal de Géométrie Algébrique | math | 2,733 | 41 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.