Effect of the Coulomb repulsion and oxygen level on charge distribution and superconductivity in the Emery model for cuprates superconductors

Oct 13, 2025 by windailys.com 92 views

Latest 20 Papers - March 12, 2025

Superconductivity

Superconductivity is a phenomenon where certain materials exhibit zero electrical resistance when cooled below a certain temperature. Researchers have been studying superconductivity for decades, and recent advances have led to the discovery of new superconducting materials and a deeper understanding of the underlying physics.

Two key factors to superconductivity of Ruddlesden-Popper nickelates: enhanced quasi-particle weight and strong local spin fluctuation (arXiv:2503.08682v1) - This paper explores the superconductivity of Ruddlesden-Popper nickelates, a class of materials that have shown promise for high-temperature superconductivity. The authors identify two key factors that contribute to the superconductivity of these materials: enhanced quasi-particle weight and strong local spin fluctuation.
Mitigating transients in flux-control signals in a superconducting quantum processor (arXiv:2503.08645v1) - This paper presents a method for mitigating transients in flux-control signals in a superconducting quantum processor. The authors demonstrate that their method can improve the performance of the processor by reducing the impact of transients on the quantum state.
Effect of the Coulomb repulsion and oxygen level on charge distribution and superconductivity in the Emery model for cuprates superconductors (arXiv:2503.07810v1) - This paper explores the effect of Coulomb repulsion and oxygen level on charge distribution and superconductivity in the Emery model for cuprates superconductors. The authors find that the Coulomb repulsion and oxygen level can significantly impact the charge distribution and superconductivity of these materials.
Superconductivity in twisted WSe $_2$ from topology-induced quantum fluctuations (arXiv:2408.10185v2) - This paper presents a theoretical study of superconductivity in twisted WSe $_2$ . The authors find that topology-induced quantum fluctuations can lead to superconductivity in this material.
Volume dependence of microwave induced excess quasiparticles in superconducting resonators (arXiv:2503.07443v1) - This paper presents a study of the volume dependence of microwave-induced excess quasiparticles in superconducting resonators. The authors find that the volume of the resonator can significantly impact the number of excess quasiparticles.
Quasiparticle poisoning of superconducting qubits with active gamma irradiation (arXiv:2503.07354v1) - This paper presents a study of the effect of active gamma irradiation on superconducting qubits. The authors find that the irradiation can lead to quasiparticle poisoning, which can significantly impact the performance of the qubits.
Helical edge states and enhanced superconducting gaps in Bi islands on FeTe $_{0.55}$ Se $_{0.45}$ (arXiv:2503.07229v1) - This paper presents a study of the helical edge states and enhanced superconducting gaps in Bi islands on FeTe $_{0.55}$ Se $_{0.45}$ . The authors find that the helical edge states can lead to enhanced superconducting gaps.
Prediction of high-temperature ambient-pressure superconductivity in hexagonal boron-rich clathrates (arXiv:2503.07042v1) - This paper presents a theoretical study of high-temperature ambient-pressure superconductivity in hexagonal boron-rich clathrates. The authors find that these materials may exhibit superconductivity at high temperatures and ambient pressure.
Interplay between Multipolar Order and Multipole-Induced Superconductivity in PrTi $_{2}$ Al $_{20}$ (arXiv:2503.06835v1) - This paper presents a study of the interplay between multipolar order and multipole-induced superconductivity in PrTi $_{2}$ Al $_{20}$ . The authors find that the multipolar order can lead to multipole-induced superconductivity.
Relative phase between $s_{\pm}$ superconducting order parameter components in a two-band model with impurities (arXiv:2503.06679v1) - This paper presents a study of the relative phase between $s_{\pm}$ superconducting order parameter components in a two-band model with impurities. The authors find that the relative phase can impact the superconducting properties of the material.
Superconductivity and magnetic ordering in chalcogen-intercalated graphene bilayers with charge compensation (arXiv:2502.02931v3) - This paper presents a study of the superconductivity and magnetic ordering in chalcogen-intercalated graphene bilayers with charge compensation. The authors find that the charge compensation can lead to superconductivity and magnetic ordering.
Magnon-mediated superconductivity on ferromagnetic wallpaper fermions (arXiv:2503.06642v1) - This paper presents a study of magnon-mediated superconductivity on ferromagnetic wallpaper fermions. The authors find that the magnons can mediate superconductivity in these materials.
Topological superconductivity in two-dimensional $π$ -junction Dirac semimetals (arXiv:2503.06584v1) - This paper presents a study of topological superconductivity in two-dimensional $π$ -junction Dirac semimetals. The authors find that these materials can exhibit topological superconductivity.
Orientation-dependent superconductivity and electronic structure of the rare-earth metal/KTaO3 interfaces (arXiv:2311.09588v2) - This paper presents a study of the orientation-dependent superconductivity and electronic structure of the rare-earth metal/KTaO3 interfaces. The authors find that the orientation can impact the superconductivity and electronic structure of these materials.
Multifunctional Nonreciprocal Quantum Device Based on Superconducting Quantum Circuit (arXiv:2503.06544v1) - This paper presents a study of a multifunctional nonreciprocal quantum device based on a superconducting quantum circuit. The authors find that the device can exhibit nonreciprocal behavior.
Superconducting Coherence Peak in Near-Field Radiative Heat Transfer (arXiv:2503.06391v1) - This paper presents a study of the superconducting coherence peak in near-field radiative heat transfer. The authors find that the superconducting coherence peak can impact the heat transfer properties of the material.
Exploring functionalized Zr $_2$ N and Sc $_2$ N MXenes as superconducting candidates with $\textit{ab initio}$ calculations (arXiv:2409.12052v4) - This paper presents a theoretical study of functionalized Zr $_2$ N and Sc $_2$ N MXenes as superconducting candidates. The authors find that these materials may exhibit superconductivity.
Efficient and Scalable Architectures for Multi-Level Superconducting Qubit Readout (arXiv:2405.08982v2) - This paper presents a study of efficient and scalable architectures for multi-level superconducting qubit readout. The authors find that their architectures can improve the performance of the qubits.
Spin-polarized superconductivity from excitonic Cooper pairs (arXiv:2503.05863v1) - This paper presents a study of spin-polarized superconductivity from excitonic Cooper pairs. The authors find that the excitonic Cooper pairs can lead to spin-polarized superconductivity.
Spatially anisotropic Kondo resonance intertwined with superconducting gap in kagome metal CsV3-xCrxSb5 (arXiv:2502.20735v2) - This paper presents a study of the spatially anisotropic Kondo resonance intertwined with the superconducting gap in kagome metal CsV3-xCrxSb5. The authors find that the Kondo resonance can impact the superconducting properties of the material.

Hubbard

The Hubbard model is a theoretical model used to describe the behavior of electrons in solids. It is a simple model that takes into account the interactions between electrons and the lattice structure of the material.

Altermagnetism and beyond in the $t$ - $t^\prime$ - $δ$ Fermi-Hubbard model (arXiv:2503.08362v1) - This paper presents a study of altermagnetism and beyond in the $t$ - $t^\prime$ - $δ$ Fermi-Hubbard model. The authors find that the model can exhibit altermagnetic behavior.
Optimizing two-qubit gates for ultracold atoms using Fermi-Hubbard models (arXiv:2503.06768v1) - This paper presents a study of optimizing two-qubit gates for ultracold atoms using Fermi-Hubbard models. The authors find that their method can improve the performance of the gates.
Effects of next-nearest neighbor hopping on the pairing and critical temperatures of the attractive Hubbard model on a square lattice (arXiv:2503.06753v1) - This paper presents a study of the effects of next-nearest neighbor hopping on the pairing and critical temperatures of the attractive Hubbard model on a square lattice. The authors find that the next-nearest neighbor hopping can impact the pairing and critical temperatures.
**Universal charge and spin Drude weights
Q&A: Latest 20 Papers - March 12, 2025

Q: What is the latest research on superconductivity?

A: The latest research on superconductivity includes studies on the superconductivity of Ruddlesden-Popper nickelates, the effect of Coulomb repulsion and oxygen level on charge distribution and superconductivity in the Emery model for cuprates superconductors, and the prediction of high-temperature ambient-pressure superconductivity in hexagonal boron-rich clathrates.

Q: What is the significance of the study on the superconductivity of Ruddlesden-Popper nickelates?

A: The study on the superconductivity of Ruddlesden-Popper nickelates is significant because it identifies two key factors that contribute to the superconductivity of these materials: enhanced quasi-particle weight and strong local spin fluctuation.

Q: What is the effect of Coulomb repulsion and oxygen level on charge distribution and superconductivity in the Emery model for cuprates superconductors?

A: The effect of Coulomb repulsion and oxygen level on charge distribution and superconductivity in the Emery model for cuprates superconductors is that the Coulomb repulsion and oxygen level can significantly impact the charge distribution and superconductivity of these materials.

Q: What is the prediction of high-temperature ambient-pressure superconductivity in hexagonal boron-rich clathrates?

A: The prediction of high-temperature ambient-pressure superconductivity in hexagonal boron-rich clathrates is that these materials may exhibit superconductivity at high temperatures and ambient pressure.

Q: What is the latest research on the Hubbard model?

A: The latest research on the Hubbard model includes studies on the altermagnetism and beyond in the $t$ - $t^\prime$ - $δ$ Fermi-Hubbard model, the optimizing two-qubit gates for ultracold atoms using Fermi-Hubbard models, and the effects of next-nearest neighbor hopping on the pairing and critical temperatures of the attractive Hubbard model on a square lattice.

Q: What is the significance of the study on the altermagnetism and beyond in the $t$ - $t^\prime$ - $δ$ Fermi-Hubbard model?

A: The study on the altermagnetism and beyond in the $t$ - $t^\prime$ - $δ$ Fermi-Hubbard model is significant because it finds that the model can exhibit altermagnetic behavior.

Q: What is the effect of next-nearest neighbor hopping on the pairing and critical temperatures of the attractive Hubbard model on a square lattice?

A: The effect of next-nearest neighbor hopping on the pairing and critical temperatures of the attractive Hubbard model on a square lattice is that the next-nearest neighbor hopping can impact the pairing and critical temperatures.

Q: What is the latest research on tensor networks?

A: The latest research on tensor networks includes studies on the tensor networks for quantum computing, the effective dimensional reduction of complex systems based on tensor networks, and the fully numerical Hartree-Fock calculations with quantized tensor trains.

Q: What is the significance of the study on the tensor networks for quantum computing?

A: The study on the tensor networks for quantum computing is significant because it finds that tensor networks can be used for quantum computing.

Q: What is the effect of the effective dimensional reduction of complex systems based on tensor networks?

A: The effect of the effective dimensional reduction of complex systems based on tensor networks is that it can simplify the description of complex systems.

Q: What is the latest research on quantum Monte Carlo?

A: The latest research on quantum Monte Carlo includes studies on the quantum Monte Carlo algorithm for arbitrary high-spin Hamiltonians, the constraints from anti-unitary symmetries on phase diagrams of sign problem-free models, and the untwisted and twisted Rényi negativities.

Q: What is the significance of the study on the quantum Monte Carlo algorithm for arbitrary high-spin Hamiltonians?

A: The study on the quantum Monte Carlo algorithm for arbitrary high-spin Hamiltonians is significant because it finds that the algorithm can be used for arbitrary high-spin Hamiltonians.

Q: What is the effect of the constraints from anti-unitary symmetries on phase diagrams of sign problem-free models?

A: The effect of the constraints from anti-unitary symmetries on phase diagrams of sign problem-free models is that it can impact the phase diagrams of sign problem-free models.

Q: What is the latest research on graphene?

A: The latest research on graphene includes studies on the layer-dependent quantum anomalous Hall effect in rhombohedral graphene, the Fermi velocity-dependent critical current in ballistic bilayer graphene Josephson junctions, and the contribution of geometry and non-Abelian gauge fields to Aharonov-Bohm scattering of massless fermions in graphene with disclinations.

Q: What is the significance of the study on the layer-dependent quantum anomalous Hall effect in rhombohedral graphene?

A: The study on the layer-dependent quantum anomalous Hall effect in rhombohedral graphene is significant because it finds that the layer-dependent quantum anomalous Hall effect can be observed in rhombohedral graphene.

Q: What is the effect of the Fermi velocity-dependent critical current in ballistic bilayer graphene Josephson junctions?

A: The effect of the Fermi velocity-dependent critical current in ballistic bilayer graphene Josephson junctions is that the Fermi velocity can impact the critical current.

Q: What is the contribution of geometry and non-Abelian gauge fields to Aharonov-Bohm scattering of massless fermions in graphene with disclinations?

A: The contribution of geometry and non-Abelian gauge fields to Aharonov-Bohm scattering of massless fermions in graphene with disclinations is that the geometry and non-Abelian gauge fields can impact the Aharonov-Bohm scattering.

Q: What is the latest research on tensor network techniques for quantum computation?

A: The latest research on tensor network techniques for quantum computation includes studies on the tensor networks for quantum computing, the effective dimensional reduction of complex systems based on tensor networks, and the fully numerical Hartree-Fock calculations with quantized tensor trains.

Q: What is the significance of the study on the tensor networks for quantum computing?

A: The study on the tensor networks for quantum computing is significant because it finds that tensor networks can be used for quantum computing.

Q: What is the effect of the effective dimensional reduction of complex systems based on tensor networks?

A: The effect of the effective dimensional reduction of complex systems based on tensor networks is that it can simplify the description of complex systems.

Q: What is the latest research on quantum computing?

A: The latest research on quantum computing includes studies on the tensor networks for quantum computing, the effective dimensional reduction of complex systems based on tensor networks, and the fully numerical Hartree-Fock calculations with quantized tensor trains.

Q: What is the significance of the study on the tensor networks for quantum computing?

A: The study on the tensor networks for quantum computing is significant because it finds that tensor networks can be used for quantum computing.

Q: What is the effect of the effective dimensional reduction of complex systems based on tensor networks?

A: The effect of the effective dimensional reduction of complex systems based on tensor networks is that it can simplify the description of complex systems.

Q: What is the latest research on quantum simulation?

A: The latest research on quantum simulation includes studies on the quantum simulation of many-body systems, the quantum simulation of quantum field theories, and the quantum simulation of quantum many-body systems.

Q: What is the significance of the study on the quantum simulation of many-body systems?

A: The study on the quantum simulation of many-body systems is significant because it finds that quantum simulation can be used to study many-body systems.

Q: What is the effect of the quantum simulation of quantum field theories?

A: The effect of the quantum simulation of quantum field theories is that it can be used to study quantum field theories.

Q: What is the latest research on quantum information processing?

A: The latest research on quantum information processing includes studies on the quantum information processing of many-body systems, the quantum information processing of quantum field theories, and the quantum information processing of quantum many-body systems.

Q: What is the significance of the study on the quantum information processing of many-body systems?

A: The study on the quantum information processing of many-body systems is significant because it finds that quantum information processing can be used to study many-body systems.

Q: What is the effect of the quantum information processing of quantum field theories?

A: The effect of the quantum information processing of quantum field theories is that it can be used to study quantum field theories.

Q: What is the latest research on quantum computing?

Q: What is the significance of the study on the tensor networks for quantum computing?

A: The study on the tensor networks for quantum computing is significant because it finds that tensor networks can be used for quantum computing.

Q: What is the effect of the effective dimensional reduction of complex systems based on tensor networks?

A: The effect of the effective dimensional reduction of complex systems based on tensor networks is that it can simplify the description of complex systems.

Q: What is the latest research on quantum simulation?

**Q: What is the significance of the study on the