45 citations · 172 across the 19 of their papers we have counts for
19 papers
First-principles cumulant approach to the vibronic structure of spin defects
Jinsoo Park, Yu Jin, Arpan Kundu +2
Color centers in wide-band-gap semiconductors are leading platforms for solid-state quantum technologies, yet a quantitative description of their vibronic structure has remained el…
Analytical Forces from the Bethe-Salpeter Equation for Large-Scale Excited-State Relaxation
Yu Jin, Victor Wen-zhe Yu, Marco Govoni +1
We present an efficient plane-wave implementation of analytical nuclear forces for electronic excited states described by the Bethe-Salpeter equation (BSE). The formulation combine…
The WEST code for large-scale excited-state materials simulations
Victor Wen-zhe Yu, Siyuan Chen, Yu Jin +5
We present WEST, an open-source plane-wave pseudopotential code for large-scale excited-state materials simulations, and describe its theoretical foundations, software architecture…
Towards dislocation-driven quantum interconnects
Cunzhi Zhang, Victor Wen-zhe Yu, Yu Jin +4
A central problem in the deployment of quantum technologies is the realization of robust architectures for quantum interconnects. We propose to engineer interconnects in semiconduc…
Advances in Quantum Defect Embedding Theory
Siyuan Chen, Victor Wen-zhe Yu, Yu Jin +2
Quantum defect embedding theory (QDET) is a many-body embedding method designed to describe condensed systems with correlated electrons localized within a given region of space, fo…
First-Principles Framework for the Prediction of Intersystem Crossing Rates in Spin Defects: The Role of Electron Correlation
Yu Jin, Jinsoo Park, Marquis M. McMillan +9
Optically active spin defects in solids are promising platforms for quantum technologies. Here, we present a first-principles framework to investigate intersystem crossing processe…
Strongly correlated states of transition metal spin defects: the case of an iron impurity in aluminum nitride
Leon Otis, Yu Jin, Victor Wen-zhe Yu +3
We investigate the electronic properties of an exemplar transition metal impurity in an insulator, with the goal of accurately describing strongly correlated, defect states. We con…
GPU-Accelerated Solution of the Bethe-Salpeter Equation for Large and Heterogeneous Systems
Victor Wen-zhe Yu, Yu Jin, Giulia Galli +1
We present a massively parallel, GPU-accelerated implementation of the Bethe-Salpeter equation (BSE) for the calculation of the vertical excitation energies (VEEs) and optical abso…
An NV- center in magnesium oxide as a spin qubit for hybrid quantum technologies
Vrindaa Somjit, Joel Davidsson, Yu Jin +1
Recent predictions suggest that oxides, such as MgO and CaO, could serve as hosts of spin defects with long coherence times and thus be promising materials for quantum applications…
Particle-Particle Random Phase Approximation for Predicting Correlated Excited States of Point Defects
Jiachen Li, Yu Jin, Jincheng Yu +2
The particle-particle random phase approximation (ppRPA) within the hole-hole channel was recently proposed as an efficient tool for computing excitation energies of point defects…
Self-Trapped Excitons in Metal-Halide Perovskites Investigated by Time-Dependent Density Functional Theory
Yu Jin, Mariami Rusishvili, Marco Govoni +1
We present a theoretical study of the formation of self-trapped excitons (STEs) and the associated broadband emission in metal-halide perovskites CsSnBr and CsAgInCl$_6…
Temperature dependent spin-phonon coupling of boron-vacancy centers in hexagonal boron nitride
Zhongyuan Liu, Ruotian Gong, Benchen Huang +9
The negatively charged boron-vacancy center () in hexagonal boron nitride (hBN) has recently emerged as a highly promising quantum sensor. Compared to th…
Accurate Excitation Energies of Point Defects from Fast Particle-Particle Random Approximation Calculations
Jiachen Li, Yu Jin, Jincheng Yu +2
We present an efficient particle-particle random phase approximation (ppRPA) approach that predicts accurate excitation energies of point defects, including the nitrogen-vacancy (N…
Quantum spin probe of single charge dynamics
Jonathan C. Marcks, Mykyta Onizhuk, Yu-Xin Wang +9
Electronic defects in semiconductors form the basis for many emerging quantum technologies. Understanding defect spin and charge dynamics in solid state platforms is crucial to dev…
Excited state properties of point defects in semiconductors and insulators investigated with time-dependent density functional theory
Yu Jin, Victor Wen-zhe Yu, Marco Govoni +2
We present a formulation of spin-conserving and spin-flip, hybrid time-dependent density functional theory (TDDFT), including the calculation of analytical forces, which allows for…
Microwave-based quantum control and coherence protection of tin-vacancy spin qubits in a strain-tuned diamond membrane heterostructure
Xinghan Guo, Alexander M. Stramma, Zixi Li +19
Robust spin-photon interfaces in solids are essential components in quantum networking and sensing technologies. Ideally, these interfaces combine a long-lived spin memory, coheren…
Donor-Acceptor Pairs in Wide-Bandgap Semiconductors for Quantum Technology Applications
Anil Bilgin, Ian Hammock, Jeremy Estes +4
We propose a quantum science platform utilizing the dipole-dipole coupling between donor-acceptor pairs (DAPs) in wide bandgap semiconductors to realize optically controllable, lon…
Vibrationally resolved optical excitations of the nitrogen-vacancy center in diamond
Yu Jin, Marco Govoni, Giulia Galli
A comprehensive description of the optical cycle of spin defects in solids requires the understanding of the electronic and atomistic structure of states with different spin multip…
Five-second coherence of a single spin with single-shot readout in silicon carbide
Christopher P. Anderson, Elena O. Glen, Cyrus Zeledon +11
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 re…