41 citations · 181 across the 15 of their papers we have counts for
16 papers
An Unstructured Body-of-Revolution Electromagnetic Particle-in-Cell Algorithm with Radial Perfectly Matched Layers and Dual Polarizations
Dong-Yeop Na, Fernando L. Teixeira, Yuri A. Omelchenko
A novel electromagnetic particle-in-cell algorithm has been developed for fully kinetic plasma simulations on unstructured (irregular) meshes in complex body-of-revolution geometri…
Efficient tensor-network simulation for the few-atom multimode Dicke model via coupling-matrix transformation
Christopher J. Ryu, Dong-Yeop Na, Weng C. Chew +1
We present a novel generalization of the chain mapping technique that applies to multi-atom, multimode systems by making use of coupling matrix transformations. This is extremely u…
Accelerating Particle-in-Cell Kinetic Plasma Simulations via Reduced-Order Modeling of Space-Charge Dynamics using Dynamic Mode Decomposition
Indranil Nayak, Fernando L. Teixeira, Dong-Yeop Na +2
We present a data-driven reduced-order modeling of the space-charge dynamics for electromagnetic particle-in-cell (EMPIC) plasma simulations based on dynamic mode decomposition (DM…
Numerical Framework for Modeling Quantum Electromagnetic Systems Involving Finite-Sized Lossy Dielectric Objects in Free Space
Dong-Yeop Na, Thomas E Roth, Jie Zhu +2
The modified Langevin noise formalism has been proposed for the correct charaterization of quantum electromagnetic fields in the presence of finite-sized lossy dielectric objects i…
Generalized Helmholtz Decomposition for Modal Analysis of Electromagnetic Problems in Inhomogeneous Media
Jie Zhu, Thomas E. Roth, Dong-Yeop Na +1
Potential-based formulation with generalized Lorenz gauge can be used in the quantization of electromagnetic fields in inhomogeneous media. However, one often faces the redundancy…
Matrix product states and numerical mode decomposition for the analysis of gauge-invariant cavity quantum electrodynamics
Christopher J. Ryu, Dong-Yeop Na, Weng C. Chew
There has been a problem of gauge ambiguities with the Rabi Hamiltonian due to the fact that it can be derived from two formally different but physically equivalent fundamental Ham…
An A-Phi Formulation Solver in Electromagnetics Based on Discrete Exterior Calculus
Boyuan Zhang, Dong-Yeop Na, Dan Jiao +1
An efficient numerical solver for the A-Phi formulation in electromagnetics based on the discrete exterior calculus (DEC) is proposed in this paper. The A-Phi formulation is immune…
Quantum-Plasmonic Dynamics Modeled via a Modified Langevin Noise Formalism: Numerical Studies of Single-Photon Emission and Two-Photon Interference
Jisang Seo, Hyunwoo Choi, Thomas E Roth +3
Recent studies have established and rigorously validated a modified Langevin noise formalism that enables first-principles quantization of electromagnetic fields in open and dissip…
Fully-Quantum-Theoretic Numerical Study on Quantum Phase Sensing and Ghost Imaging Systems Operating with Multimode N00N States
Dong-Yeop Na, Peter Bermel, Weng Cho Chew
We present a numerical study on the super-resolution of quantum phase sensing and ghost imaging systems operating with multimode N00N states beyond the Rayleigh diffraction limit.…
Diagonalization of Hamiltonian for finite-sized dispersive media: Canonical quantization with numerical mode-decomposition (CQ-NMD)
Dong-Yeop Na, Jie Zhu, Weng Cho Chew
We present a new math-physics modeling approach, called canonical quantization with numerical mode-decomposition, for capturing the physics of how incoming photons interact with fi…
Quantum Information Propagation Preserving Computational Electromagnetics
Dong-Yeop Na, Jie Zhu, Fernando L. Teixeira +1
We propose a new methodology, called numerical canonical quantization, to solve quantum Maxwell's equations useful for mathematical modeling of quantum optics physics, and numerica…
Digital image quantification of rice sheath blight: Optimized segmentation and automatic classification
Da-Young Lee, Dong-Yeop Na, Yong Seok Heo +1
Rapid and accurate phenotypic screening of rice germplasms is crucial in screening for sources of rice sheath blight resistance. However, visual and/or caliper-based estimations of…
Diagnosing numerical Cherenkov instabilities in relativistic plasma simulations based on general meshes
D. -Y. Na, J. L. Nicolini, R. Lee +3
Numerical Cherenkov radiation (NCR) or instability is a detrimental effect frequently found in electromagnetic particle-in-cell (EM-PIC) simulations involving relativistic plasma b…
Finite Element Time-Domain Body-of-Revolution Maxwell Solver based on Discrete Exterior Calculus
Dong-Yeop Na, Ben-Hur V. Borges, Fernando L. Teixeira
We present a finite-element time-domain (FETD) Maxwell solver for the analysis of body-of-revolution (BOR) geometries based on discrete exterior calculus (DEC) of differential form…
Relativistic Extension of a Charge-Conservative Finite Element Solver for Time-Dependent Maxwell-Vlasov Equations
D. Y. Na, H. Moon, Y. A. Omelchenko +1
In many problems involving particle accelerators and relativistic plasmas, the accurate modeling of relativistic particle motion is essential for accurate physical predictions. Her…
Axisymmetric Charge-Conservative Electromagnetic Particle Simulation Algorithm on Unstructured Grids: Application to Microwave Vacuum Electronic Devices
Dong-Yeop Na, Yuri A. Omelchenko, Haksu Moon +2
We present a 2.5-dimensional charge-conservative electromagnetic particle-in-cell (EM-PIC) algorithm optimized for the analysis of vacuum electronic devices (VED) with cylindrical…