Expertini Research Research

Browse Research Papers

1,319+ open-access research outputs.

โœ• Clear
๐Ÿ” moonkyung ryu ๐Ÿ“‚ Physics
Showing 1319 results for "moonkyung ryu" in Physics
Physics Preprint PDF DOI

Asteroseismic analysis of RY Leporis: the post-main sequence HADS in a binary system

Wojciech Niewiadomski, Jadwiga Daszynska-Daszkiewicz, Przemys{l}aw Walczak, Wojciech Szewczuk, Eloy Rodriguez, Piotr Ko{l}aczek-Szymanski, Aliz Derekas ยท 2026

We present a comprehensive study of the pulsating primary component of the long-period binary system RY Lep. The spectral energy distribution and the absence of detectable lines indicate that the compโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Rotating End of the World

Kyung Kiu Kim, Hawjin Eom, Jung Hun Lee, Yunseok Seo ยท 2026

We study the thermodynamics and interior structures of dynamical end of the world (EoW) branes in the rotating BTZ black hole. By mapping the induced metric of the branes to an effective Jackiw-Teitelโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

A divergent-beam surface plasmon resonance architecture for multiplexed malaria biosensing

Amos. S. Kiyumbi, Jordan. H. Hossea ยท 2026

We present a numerical study of a divergent-beam Kretschmann surface plasmon resonance (SPR) platform for multiplexed malaria biosensing. A Powell-lens-generated angular fan enables camera-based angulโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Ru Alloying in Ni/Al Reactive Multilayers: Experimental Observations and Molecular Dynamics Simulations

Nensi Toncich, Ankit Yadav, Jan Fikar, Ralph Spolenak ยท 2026

Reactive multilayer thin films, a class of energetic materials, are increasingly recognized for their potential in joining applications, utilizing the chemical energy released as heat during exothermiโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Measurement of inclusive $J/\psi$ polarization in Ru+Ru and Zr+Zr collisions at $\sqrt{s_{\rm NN}}=200$ GeV at STAR

STAR Collaboration ยท 2026

The first measurement of inclusive J/psi polarization at mid-rapidity (|y^{J/psi}| < 0.8) in 200 GeV Ru+Ru and Zr+Zr collisions at sqrt(s_NN) = 200 GeV with the STAR experiment at RHIC is presented. Jโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Holographic entanglement entropy, Wilson loops, and neural networks

Veselin G. Filev ยท 2026

We apply artificial neural networks to the holographic inverse problem, reconstructing bulk geometry from boundary entanglement entropy by using the Ryu--Takayanagi area functional as a differentiableโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Ultrasensitive Terahertz Metasurface Biosensor Based on Quasi-Bound States in the Continuum

Junhui Guo, Bing Dong, Eryong Zhang, Qing-An Tu, Xiaoyong He, Xichuan Wu, Mingjing Liu, Maohua Gong, Yan Meng, Xiang Xi, Hongcheng Wang, Zhen Gao ยท 2026

The terahertz (THz) spectral regime offers unique opportunities for next-generation biochemical sensing due to its non-destructive, label-free probing capability and strong sensitivity to molecular viโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

On the variability of the reflection nebula Van den Bergh 27 surrounding RY Tau

Harald Strauss, Klaus Bernhard ยท 2026

We present an analysis of the short- and long-term optical variability in Van den Bergh 27 (vdB 27), the reflection nebula surrounding RY Tau. The observed variations form a light-echo pattern, with aโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Microscopic Origin of Page Curve

Artem Averin ยท 2026

Applications of the Ryu-Takayanagi formula to evaporating black holes are known to reproduce the Page curve, although leaving open the microscopic origin of the necessary black hole degrees of freedomโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Lattice-Expansion-Driven Stabilization of Helical Magnetic Order in Ru-Doped MnP

Xin-Wei Wu, Deng-lu Hou, Li Ma, Cong-mian Zhen, De-wei Zhao, Guoke Li ยท 2026

The practical utilization of MnP in chiral spintronic devices is fundamentally constrained by its low helical ordering temperature ($T_{\rm S}$). Here, we demonstrate that Ru substitution in Mn$_{1-x}โ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

A correlated insulator at the surface of the polar metal Ca$_3$Ru$_2$O$_7$

Daniel Halliday, Izidor Benedicic, Andela Zivanovic, Masahiro Naritsuka, Brendan Edwards, Tommaso Antonelli, Naoki Kikugawa, Dmitry A. Sokolov, Craig Polley, Andrew P. Mackenzie, Georg Held, Phil D. C. King, Peter Wahl ยท 2026

We investigate the electronic structure at the surface of the correlated oxide Ca$_3$Ru$_2$O$_7$, a low-symmetry ruthenate oxide which hosts an unconventional polar-metal phase. From a combination of โ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Label-free quantitative imaging of two-dimensional concentration gradients using Fabry-P\'erot interferometry

Taieesa Peshkovsky, Stefan Andreas Schmid, David Taylor, Robert W. Style, Lucio Isa, Federico Paratore ยท 2026

Concentration gradients at the microscale play a central role in many physical, chemical, and biological systems, yet their quantitative visualization remains challenging due to the limited optical coโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Reconfigurable and Recyclable Low-Threshold Quasi-BIC Lasers via a Tunable polymer Coating

Xiaolin Wang, Jiayao Liu, Zimeng Zeng, Hongyu Yuan, Zhuoyang Li, Zelong He, Wenping Gong, Zhaona Wang ยท 2026

Reconfigurable and sustainable microcavity lasers are highly desirable for next-generation integrated photonics. Here, we report a recyclable, low-threshold quasi-bound state in the continuum (q-BIC) โ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

State-dependent geometries from magic-enriched quantum codes

ChunJun Cao, Gong Cheng, Krishnanand Karthikeyan, Cathy Li, John Preskill ยท 2026

Quantum error-correcting codes provide a powerful framework for emergent spacetime, yet existing holographic code models describe only quantum fields on a fixed background: in exact erasure-correctingโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Hardy's Paradox for Yu-Oh Set Constructed by Logically Contextual Quantum States

Chang He, Yongjun Wang, Baoshan Wang, Songyi Liu, Yunyi Jia ยท 2026

Quantum contextuality is a fundamental nonclassical property of quantum systems, regarded as a key resource that demonstrates the computational and informational advantages of quantum over classical sโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Shape phase transition, coexistence and mixing in the $^{98-106}$Ru isotopes

R. Budaca, P. Buganu, F. El Ouardi, A. Lahbas ยท 2026

The deformation properties within the $^{98-106}$Ru even-even isotopic chain, are investigated by means of the Covariant Density Functional Theory with a Density-Dependent Point-Coupling X parametrizaโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Coexisting Paramagnetic Spins and Long-Range Magnetic Order in Ba$_4$(Ru$_{0.92}$Ir$_{0.08}$)$_3$O$_{10}$

Farhan Islam, Jiasen Guo, Wei Tian, Bing Li, Xudong Huai, Thao T. Tran, Gang Cao, Zachary Morgan, Feng Ye ยท 2026

We investigate the effect of dilute Ir substitution on the magnetism of the trimer-based ruthenate Ba$_4$Ru$_3$O$_{10}$ using neutron diffraction, magnetic susceptibility measurements, atomistic simulโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Circular V-grooves on single-crystal gold: optical properties and sensing feasibility

Amos Sospeter Kiyumbi ยท 2026

Single-crystal Au(111) microplates provide an ultra-smooth, low-defect platform for reproducible plasmonic nanocavities. Here we realize reflection-mode whispering-gallery metasurfaces comprising periโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Diode effect in microwave irradiated Josephson junctions with Yu-Shiba-Rusinov states

Aritra Lahiri, Marcel Polak, Bjorn Trauzettel ยท 2026

We investigate the critical current in microwave-irradiated Josephson junctions hosting Yu-Shiba-Rusinov states due to magnetic impurities. Under two conditions, namely, (i) the breaking of particle-hโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Anisotropy-driven interfacial magnetism in Ru-deficient SrRuO$_3$ thin films

Vitor A. de Oliveira Lima, Michael I. Faley, Asmaa Qdemat, Valeria Lauter, Haile Ambaye, Omar Concepcion, Ankita Singh, Emmanuel Kentzinger, Milan Radovic, Shibrabata Nandi, Thomas Bruckel, Connie Bednarski-Meinke ยท 2026

While stoichiometric SrRuO$_3$ (SRO) is a metallic itinerant ferromagnet with relatively homogeneous magnetization, Ru deficiency provides a powerful route to alter its electronic transport and depth-โ€ฆ

Read Paper โ†’
Page 1 of 66 Next โ†’