Quantum many-body simulations on digital quantum computers: State-of-the-art and future challenges

B Fauseweh - Nature Communications, 2024 - nature.com
Simulating quantum many-body systems is a key application for emerging quantum
processors. While analog quantum simulation has already demonstrated quantum …

Neutral atom quantum computing hardware: performance and end-user perspective

K Wintersperger, F Dommert, T Ehmer… - EPJ Quantum …, 2023 - epjqt.epj.org
We present an industrial end-user perspective on the current state of quantum computing
hardware for one specific technological approach, the neutral atom platform. Our aim is to …

Bilayer Model and Magnetically Mediated Pairing in the Pressurized Nickelate

XZ Qu, DW Qu, J Chen, C Wu, F Yang, W Li, G Su - Physical Review Letters, 2024 - APS
The recently discovered nickelate superconductor La 3 Ni 2 O 7 has a high transition
temperature near 80 K under pressure, providing an additional avenue for exploring …

Interlayer-Coupling-Driven High-Temperature Superconductivity in under Pressure

C Lu, Z Pan, F Yang, C Wu - Physical Review Letters, 2024 - APS
The newly discovered high-temperature superconductivity in La 3 Ni 2 O 7 under pressure
has attracted a great deal of attention. The essential ingredient characterizing the electronic …

Type-II model and shared superexchange coupling from Hund's rule in superconducting

H Oh, YH Zhang - Physical Review B, 2023 - APS
Recently, an 80 K superconductor was discovered in La 3 Ni 2 O 7 under high pressure.
Density function theory calculations identify dx 2− y 2, dz 2 as the active orbitals on the …

Observation of Nagaoka polarons in a Fermi–Hubbard quantum simulator

M Lebrat, M Xu, LH Kendrick, A Kale, Y Gang… - Nature, 2024 - nature.com
Quantum interference can deeply alter the nature of many-body phases of matter. In the
case of the Hubbard model, Nagaoka proved that introducing a single itinerant charge can …

Orbital-selective superconductivity in the pressurized bilayer nickelate : An infinite projected entangled-pair state study

J Chen, F Yang, W Li - Physical Review B, 2024 - APS
The newly discovered high-T c nickelate superconductor La 3 Ni 2 O 7 has generated
significant research interest. To uncover the pairing mechanism, it is essential to investigate …

Strong Pairing Originated from an Emergent Berry Phase in

JX Zhang, HK Zhang, YZ You, ZY Weng - Physical Review Letters, 2024 - APS
The recent discovery of high-temperature superconductivity in La 3 Ni 2 O 7 offers a fresh
platform for exploring unconventional pairing mechanisms. Starting with the basic argument …

Interplay of two orbitals in superconducting under pressure

C Lu, Z Pan, F Yang, C Wu - Physical Review B, 2024 - APS
The discovery of high-T c superconductivity (SC) in La 3 Ni 2 O 7 (LNO) has aroused a great
deal of interest. Previously, it was proposed that the Ni-3 dz 2 orbital is crucial to realize the …

Pair correlations in the two-orbital Hubbard ladder: Implications for superconductivity in the bilayer nickelate

T Kaneko, H Sakakibara, M Ochi, K Kuroki - Physical Review B, 2024 - APS
Motivated by high-temperature superconductivity in pressurized La 3 Ni 2 O 7, we
investigate the pair correlations in the two-orbital Hubbard ladder, which consists of the …