Explanipedia

Asymptotic Weyl Symmetry and Its Anomaly in a Curved Spacetime Open

O-Kab Kwon, Sang-Heon Yi · 2025

We explore an unusual symmetry in a field theory on a specific (1+1)-dimensional curved spacetime, which has an interesting interpretation as an approximate asymptotic Weyl symmetry. Unlike the conventional Weyl symmetry, the boundary term…

Quantum inhomogeneous field theory: Unruh-like effects and bubble wall friction Open

Jeongwon Ho, O-Kab Kwon, Sang-Heon Yi · 2025

A bstract In this paper, we study a free scalar field in a specific (1+1)-dimensional curved spacetime. By introducing an algebraic state that is locally Hadamard, we derive the renormalized Wightman function and explicitly calculate the c…

Inhomogeneous abelian Chern-Simons Higgs model with new inhomogeneous BPS vacuum and solitons Open

Yoonbai Kim, O-Kab Kwon, H. Y. Song, Chanju Kim · 2025

A bstract We study an inhomogeneous U(1) Chern-Simons Higgs model with a magnetic impurity in the BPS limit. The potential is sextic with both broken and unbroken phases, but its minimum varies spatially depending on the strength of the im…

Vacuum and vortices in the inhomogeneous Abelian Higgs model Open

Yoonbai Kim, S. H. Jeon, O-Kab Kwon, H. Y. Song, Chanju Kim · 2025

The inhomogeneous Abelian Higgs model with a magnetic impurity in the Bogomolny-Prasad-Sommerfield (BPS) limit is studied for both relativistic and nonrelativistic regimes. Though the symmetry of spatial translation is broken by inhomogene…

Quantum Inhomogeneous Field Theory: Unruh-Like Effects Open

Jeongwon Ho, O-Kab Kwon, Sang-Heon Yi · 2024

In this paper, we study a free scalar field in a specific (1+1)-dimensional curved spacetime. By introducing an algebraic state that is locally Hadamard, we derive the renormalized Wightman function and explicitly calculate the covariantly…

Vacuum and Vortices in Inhomogeneous Abelian Higgs Model Open

Yoonbai Kim, S. Jeon, O-Kab Kwon, H. Y. Song, Chanju Kim · 2024

The inhomogeneous abelian Higgs model with a magnetic impurity in the BPS limit is studied for both relativistic and nonrelativistic regimes. Though the symmetry of spatial translation is broken by inhomogeneity, extension to an $\mathcal{…

Supersymmetric backgrounds in (1 + 1) dimensions and inhomogeneous field theory Open

Jeongwon Ho, O-Kab Kwon, Sang-A Park, Sangheon Yi · 2023

A bstract We find a (1 + 1)-dimensional metric solution for a background hosting various supersymmetric field theories with a single non-chiral real supercharge. This supersymmetric background is globally hyperbolic even though it contains…

Spontaneous supersymmetry breaking in inhomogeneous supersymmetric field theories and BPS vacua Open

Yoonbai Kim, O-Kab Kwon, D. D. Tolla · 2023

A bstract We study spontaneous supersymmetry breaking in inhomogeneous extensions of $$ \mathcal{N} $$ = 1 supersymmetric field theory models in 4-dimensions. The $$ \mathcal{N} $$ = 1 Abelian Higgs model with the inhomogeneous mass pa…

Spontaneous Supersymmetry Breaking in Inhomogeneous Supersymmetric Field Theories and BPS Vacua Open

Yoonbai Kim, O-Kab Kwon, D. D. Tolla · 2023

We study spontaneous supersymmetry breaking in inhomogeneous extensions of ${\cal N}=1$ supersymmetric field theory models in 4-dimensions. The ${\cal N}=1$ Abelian Higgs model with the inhomogeneous mass parameter and the FI coefficient t…

Toward Quantization of Inhomogeneous Field Theory Open

Jeongwon Ho, O-Kab Kwon, Sang-A Park, Sangheon Yi · 2022

We explore the quantization of a $(1+1)$-dimensional inhomogeneous scalar field theory in which Poincaré symmetry is explicitly broken. We show the `classical equivalence' between a scalar field theory on curved spacetime background and it…

Supersymmetric inhomogeneous field theories in 1+1 dimensions Open

O-Kab Kwon, Chanju Kim, Yoonbai Kim · 2022

A bstract We study supersymmetric inhomogeneous field theories in 1+1 dimensions which have explicit coordinate dependence. Although translation symmetry is broken, part of supersymmetries can be maintained. In this paper, we consider the …

Super Yang-Mills theories with inhomogeneous mass deformations Open

Yoonbai Kim, O-Kab Kwon, D. D. Tolla · 2020

A bstract We construct the 4-dimensional $$ \mathcal{N}=\frac{1}{2} $$ and $$ \mathcal{N} $$ = 1 inhomogeneously mass-deformed super Yang-Mills theories from the $$ \mathcal{N} $$ = 1 * and $$ \mathcal{N} $$ = 2 * theories, respectivel…

Renormalized holographic subregion complexity under relevant perturbations Open

Dongmin Jang, Yoonbai Kim, O-Kab Kwon, D. D. Tolla · 2020

A bstract We construct renormalized holographic entanglement entropy (HEE) and subregion complexity (HSC) in the CV conjecture for asymptotically AdS 4 and AdS 5 geometries under relevant perturbations. Using the holographic renormalizatio…

Aspects of massive ABJM models with inhomogeneous mass parameters Open

Kyung Kiu Kim, Yoonbai Kim, O-Kab Kwon, Chanju Kim · 2019

Gravitational waves as a probe of the extra dimension Open

O-Kab Kwon, Seokcheon Lee, D. D. Tolla · 2019

We consider the Einstein-Hilbert action without cosmological constant in\n5-dimensions and implement the Kaluza-Klein (KK) reduction by compactifying the\nfifth direction on a circle of small but finite radius. For non-zero\ncompactificati…

Holography of massive M2-brane theory: non-linear extension Open

O-Kab Kwon, Dongmin Jang, Yoonbai Kim, D. D. Tolla · 2018

Janus ABJM models with mass deformation Open

Kyung Kiu Kim, O-Kab Kwon · 2018

Janus ABJM Models with Mass Deformation Open

Kyung Kiu Kim, O-Kab Kwon · 2018

We construct a large class of ${\cal N} = 3$ Janus ABJM models with mass deformation, where the mass depends on a spatial (or lightcone) coordinate. We also show that the resulting Janus model can be identified with an effective action of …

Gravity from entanglement and RG flow in a top-down approach Open

O-Kab Kwon, Dongmin Jang, Yoonbai Kim, D. D. Tolla · 2018

Holography of Massive M2-brane Theory: Non-linear Extension Open

Dongmin Jang, Yoonbai Kim, O-Kab Kwon, D. D. Tolla · 2018

We investigate the gauge/gravity duality between the ${\cal N} = 6$ mass-deformed ABJM theory with U$_k(N)\times$U$_{-k}(N)$ gauge symmetry and the 11-dimensional supergravity on LLM geometries with SO(2,1)$\times$SO(4)/${\mathbb Z}_k$ $\t…

Exact Holography of Massive M2-brane Theories and Entanglement Entropy Open

Dongmin Jang, Yoonbai Kim, O-Kab Kwon, D. D. Tolla · 2018

We test the gauge/gravity duality between the N = 6 mass-deformed ABJM theory with U k ( N ) × U -k ( N ) gauge symmetry and the 11-dimensional supergravity on LLM geometries with SO (4)=ℤ k × SO (4)=ℤ k isometry. Our analysis is based on …

Gravity from Entanglement and RG Flow in a Top-down Approach Open

Dongmin Jang, Yoonbai Kim, O-Kab Kwon, D. D. Tolla · 2017

The duality between a $d$-dimensional conformal field theory with relevant deformation and a gravity theory on an asymptotically AdS$_{d+1}$ geometry, has become a suitable tool in the investigation of the emergence of gravity from quantum…

Exact holography of the mass-deformed M2-brane theory Open

Dongmin Jang, Yoonbai Kim, O-Kab Kwon, D. D. Tolla · 2017

Mass-deformed ABJM Theory and LLM Geometries: Exact Holography at Finite $N$ Open

Dongmin Jang, Yoonbai Kim, O-Kab Kwon, D. D. Tolla · 2016

Exact Holography of the Mass-deformed M2-brane Theory at Finite $N$ Open

Dongmin Jang, Yoonbai Kim, O-Kab Kwon, D. D. Tolla · 2016

Holographic entanglement entropy of anisotropic minimal surfaces in LLM geometries Open

Chanju Kim, Kyung Kiu Kim, O-Kab Kwon · 2016

We calculate the holographic entanglement entropy (HEE) of the $\\mathbb{Z}_k$\norbifold of Lin-Lunin-Maldacena (LLM) geometries which are dual to the vacua of\nthe mass-deformed ABJM theory with Chern-Simons level $k$. By solving the\npar…

Abelian gauge invariance of the WZ-type coupling in ABJM theory Open

Dongmin Jang, Yoonbai Kim, O-Kab Kwon, D. D. Tolla · 2015

We construct the interaction terms between the worldvolume fields of multiple M2-branes and 3-form gauge field of 11-dimensional supergravity, in the context of ABJM theory. The obtained Wess–Zumino-type coupling is simultaneously invarian…

Abelian Gauge Invariance of the WZ-type Coupling in ABJM Theory Open

Dongmin Jang, Yoonbai Kim, O-Kab Kwon, D. D. Tolla · 2015

We construct the interaction terms between the worldvolume fields of multiple M2-branes and 3-form gauge field of 11-dimensional supergravity, in the context of ABJM theory. The obtained Wess-Zumino-type coupling is simultaneously invarian…

Large scale suppression of scalar power on a spatial condensation Open

Seyen Kouwn, O-Kab Kwon, Phillial Oh · 2015

Suppression of the scalar power spectrum on large scales is one way to\nreconcile the tension between Planck and BICEP2 data. This suppression can\noccur by introducing a phase transition from the fast-roll phase to the\nslow-roll phase in…

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