Publications (24)
Generalized complex marginal deformation of pp-waves and giant gravitons
Sunyoung Shin
We present the Penrose limits of a complex marginal deformation of , which incorporates the symmetry of type IIB theory, along the geo…
deformations and -deformed geometries
Sunyoung Shin
We discuss -deformed geometries on two types of 's where the direction along the third coordinate is not orthogonal to the direction along the second coordinate or the dir…
Hamiltonian analysis of Linearized Extension of HoÅava-Lifshitz gravity
Seoktae Koh, Sunyoung Shin
We investigate the Hamiltonian structure of linearized extended HoÅava- Lifshitz gravity in a flat cosmological background following the Faddeev-Jackiw's Hamiltonian reduction for…
The stability of graphene band structures against an external periodic perturbation; Na on Graphene
Choongyu Hwang, Sunyoung Shin, Seon-Myeong Choi +7
We report that the band of graphene sensitively changes as a function of an external potential induced by Na especially when the potential becomes periodic at low temperature.…
Quantum SUSY Algebra of -lumps in the Massive Grassmannian Sigma Model
Hiroaki Nakajima, Phillial Oh, Sunyoung Shin
We compute the SUSY algebra of the massive Grassmannian sigma model in 2+1 dimensions. We first rederive the action of the model by using the Scherk-Schwarz dimensi…
Vacua and walls of mass-deformed Kähler nonlinear sigma models on
Masato Arai, Anastasia Golubtsova, Chanyong Park +1
We study vacua and walls of mass-deformed Kähler nonlinear sigma models on . We identify elementary walls with the simple roots of and discuss compressed wal…
Junctions of mass-deformed nonlinear sigma models on and II
Taegyu Kim, Sunyoung Shin
We study vacua, walls and three-pronged junctions of mass-deformed nonlinear sigma models on and for generic . We review and discuss the on-shell comp…
Are Video Models Zero-Shot Learners and Reasoners in Education? EduVideoBench, A Knowledge-Skills-Attitude Benchmark for Educational Video Generation
Unggi Lee, Hoyoung Ahn, Yoon Choi +16
Video generation models (VGMs) are rapidly entering classrooms, yet existing benchmarks evaluate only perceptual quality, intrinsic faithfulness, generic safety, or video as a reas…
Walls in supersymmetric massive nonlinear sigma model on complex quadric surface
Masato Arai, Sunggeun Lee, Sunyoung Shin
The Bogomol'nyi-Prasad-Sommerfield (BPS) multiwall solutions are constructed in a massive Kahler nonlinear sigma model on the complex quadric surface, Q^N=SO(N+2)/[SO(N)\times SO(2…
Possible evidence of non-Fermi liquid behavior from quasi-one-dimensional indium nanowires
Choongyu Hwang, Namdong Kim, Sunyoung Shin +1
We report possible evidence of non-Fermi liquid (NFL) observed at room temperature from the quasi one-dimensional (1D) indium (In) nanowires self-assembled on Si(111)-77 su…
Junctions of mass-deformed nonlinear sigma models on and I
Taegyu Kim, Sunyoung Shin
We construct on-shell nonlinear sigma models on and by holomorphically embedding the models in the hyper-Kähler nonlinear sigma model…
Soft Wall Model in the Hadronic Medium
Chanyong Park, Do-Young Gwak, Bum-Hoon Lee +2
We study the holographic QCD in the hadronic medium by using the soft wall model. We discuss the Hawking-Page transition between Reissner-Nordström AdS black hole and thermal char…
Holographic Meson Spectra in the Dense Medium with Chiral Condensate
Chanyong Park, Bum-Hoon Lee, Sunyoung Shin
We study two effects on the meson spectra by using the AdS/CFT correspondence where the corrections from the chiral condensate and the quark density are controlled…
Vacua, walls and junctions in
Sunyoung Shin
We discuss vacua, walls and three-pronged junctions of the mass-deformed nonlinear sigma models on the Grassmann manifold $G_{N_F,N_C}=\frac{SU(N_F)}{SU(N_C)\times SU(N_F-N_C)\time…
Walls of massive Kähler sigma models on SO(2N)/U(N) and Sp(N)/U(N)
Masato Arai, Sunyoung Shin
We study the Bogomol'nyi-Prasad-Sommerfield wall solutions in massive Kähler nonlinear sigma models on SO(2N)/U(N) and Sp(N)/U(N) in three-dimensional spacetime. We show that SO(2…
Holographic 1/Nc correction from the chiral condensate
Bum-Hoon Lee, Chanyong Park, Sunyoung Shin
We investigate a gravity solution containing the gravitational backreaction of the massive scalar field dual to the chiral condensate, which corresponds to correction. In g…
Soohak: A Mathematician-Curated Benchmark for Evaluating Research-level Math Capabilities of LLMs
Guijin Son, Seungone Kim, Catherine Arnett +73
Following the recent achievement of gold-medal performance on the IMO by frontier LLMs, the community is searching for the next meaningful and challenging target for measuring LLM…
Pedagogical Alignment for Vision-Language-Action Models: A Comprehensive Framework for Data, Architecture, and Evaluation in Education
Unggi Lee, Jahyun Jeong, Sunyoung Shin +12
Science demonstrations are important for effective STEM education, yet teachers face challenges in conducting them safely and consistently across multiple occasions, where robotics…
On Gauge Invariant Cosmological Perturbations in UV-modified Horava Gravity
Sunyoung Shin, Mu-In Park
We consider gauge invariant cosmological perturbations in UV-modified, z=3 Horava gravity with one scalar matter field, which has been proposed as a renormalizable gravity theory w…
Oblique DLCQ M-theory and Multiple M2-branes
Jin-Ho Cho, Sunyoung Shin
We propose an oblique DLCQ as a limit to realize a theory of multiple M2-branes in M(atrix)-theory context. The limit is a combination of an infinite boosting of a space-like circl…
Junctions of mass-deformed nonlinear sigma models on the Grassmann manifold
Sunyoung Shin
We study vacua and walls of the mass-deformed nonlinear sigma model on the Grassmann manifold and discuss three-p…
Vacua and walls of mass-deformed Kähler nonlinear sigma models on
Bum-Hoon Lee, Chanyong Park, Sunyoung Shin
We construct walls of mass-deformed Kähler nonlinear sigma models on , by using the moduli matrix formalism and the simple roots of . Penetrable walls are obs…
Self-trapping nature of Tl nanoclusters on Si(111)-77 surface
Choongyu Hwang, Namdong Kim, Geunsik Lee +3
We have investigated electronic and structural properties of thallium (Tl) nanoclusters formed on the Si(111)-77 surface at room temperature (RT) by utilizing photoemission…
-deformation on a slanted torus and deformed pp-wave
Ariunzul Dagvadorj, Sunyoung Shin
We discuss the -deformation of which incorporates the symmetry of the type IIB theory. The axion-dilaton is identified with a two-torus fro…