Five-second coherence of a single spin with single-shot readout in silicon carbide
CP Anderson, EO Glen, C Zeledon, A Bourassa… - Science …, 2022 - science.org
An outstanding hurdle for defect spin qubits in silicon carbide (SiC) is single-shot readout, a
deterministic measurement of the quantum state. Here, we demonstrate single-shot readout …
deterministic measurement of the quantum state. Here, we demonstrate single-shot readout …
Generalized scaling of spin qubit coherence in over 12,000 host materials
Spin defect centers with long quantum coherence times (T 2) are key solid-state platforms for
a variety of quantum applications. Cluster correlation expansion (CCE) techniques have …
a variety of quantum applications. Cluster correlation expansion (CCE) techniques have …
DFT-FE 1.0: A massively parallel hybrid CPU-GPU density functional theory code using finite-element discretization
Abstract We present DFT-FE 1.0, building on DFT-FE 0.6 Motamarri et al.(2020)[28], to
conduct fast and accurate large-scale density functional theory (DFT) calculations …
conduct fast and accurate large-scale density functional theory (DFT) calculations …
Lessons Learned from Catalysis to Qubits: General Strategies to Build Accessible and Accurate First-Principles Models of Point Defects
Defects and dopants play critical roles in defining the properties of a material. Achieving a
mechanistic understanding of how such properties arise is challenging with current …
mechanistic understanding of how such properties arise is challenging with current …
[HTML][HTML] Roadmap on electronic structure codes in the exascale era
Electronic structure calculations have been instrumental in providing many important
insights into a range of physical and chemical properties of various molecular and solid …
insights into a range of physical and chemical properties of various molecular and solid …
Precise control of entanglement in multinuclear spin registers coupled to defects
Quantum networks play an indispensable role in quantum information tasks such as secure
communications, enhanced quantum sensing, and distributed computing. Among the most …
communications, enhanced quantum sensing, and distributed computing. Among the most …
[HTML][HTML] Ab-initio calculations of shallow dopant qubits in silicon from pseudopotential and all-electron mixed approach
Obtaining an accurate first-principle description of the electronic properties of dopant qubits
is critical for engineering and optimizing high-performance quantum computing. However …
is critical for engineering and optimizing high-performance quantum computing. However …
Theoretical and experimental study of the nitrogen-vacancy center in 4H-SiC
Using first-principles calculations and magnetic resonance experiments, we investigated the
physical properties of the negatively charged nitrogen-vacancy (NV) center in 4H-SiC, a …
physical properties of the negatively charged nitrogen-vacancy (NV) center in 4H-SiC, a …
Tucker Tensor Approach for Accelerating Fock Exchange Computations in a Real-Space Finite-Element Discretization of Generalized Kohn–Sham Density Functional …
The evaluation of Fock exchange is often the computationally most expensive part of hybrid
functional density functional theory calculations in a systematically improvable, complete …
functional density functional theory calculations in a systematically improvable, complete …
Direct Detection of the Magnetic Force and Field Coupling of Electronic Spins Using Photoinduced Magnetic Force Microscopy
Z Zhang, Q Zhu, L Li, HF Wen, H Guo, Z Ma, Y Tian… - Nano Letters, 2024 - ACS Publications
The intrinsic spin of the electron and its associated magnetic moment can provide insights
into spintronics. However, the interaction is extremely weak, as is the case with the coupling …
into spintronics. However, the interaction is extremely weak, as is the case with the coupling …