Hao Ouyang
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View article: Holography for stress-energy tensor flows
Holography for stress-energy tensor flows Open
We study the holographic description for general stress-energy tensor deformations in arbitrary dimensions using the metric flow approach. Mixed boundary conditions corresponding to these deformations emerge from solutions to the metric fl…
View article: Development and Validation of Photo‐Numerical Scales for Facial Wrinkles on Chinese Population
Development and Validation of Photo‐Numerical Scales for Facial Wrinkles on Chinese Population Open
Background Various ethnicities age differently due to intrinsic genetic factors and inherent responses to UV exposure. The unique facial skeletal structure and function of Chinese skin can result in distinct aging signs compared to those o…
View article: Generalized <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>T</mml:mi><mml:mover accent="true"><mml:mi>T</mml:mi><mml:mo stretchy="false">¯</mml:mo></mml:mover></mml:math>-like flows for scalar theories in two dimensions
Generalized -like flows for scalar theories in two dimensions Open
We demonstrate that the necessary condition for SO(N)×SO(N) duality invariance manifests as a partial differential equation in two-dimensional scalar theories. This condition, expressed as a partial differential equation, corresponds preci…
View article: $T\overline{T}$ Deformation: Introduction and Some Recent Advances
$T\overline{T}$ Deformation: Introduction and Some Recent Advances Open
This review explores recent advances in the theory of $T\bar{T}$ deformation, an irrelevant yet solvable deformation of quantum field theories defined via the quadratic form of the energy-momentum tensor. It addresses classical and quantum…
View article: Generalized $T\bar{T}$-like flows for scalar theories in two dimensions
Generalized $T\bar{T}$-like flows for scalar theories in two dimensions Open
We demonstrate that the necessary condition for $SO(N) \times SO(N)$ duality invariance manifests as a partial differential equation in two-dimensional scalar theories. This condition, expressed as a partial differential equation, correspo…
View article: Generalized $$ T\overline{T} $$-like deformations in duality-invariant nonlinear electrodynamic theories
Generalized $$ T\overline{T} $$-like deformations in duality-invariant nonlinear electrodynamic theories Open
A bstract This study introduces a high-order perturbation methodology to categorize two primary solution types within duality-invariant nonlinear electrodynamic theories, adhering to the differential self-duality criterion. The first solut…
View article: Geometric Formulation of Generalized Root-<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>T</mml:mi><mml:mover accent="true"><mml:mi>T</mml:mi><mml:mo stretchy="false">¯</mml:mo></mml:mover></mml:math> Deformations
Geometric Formulation of Generalized Root- Deformations Open
We develop a generic geometric formalism that incorporates both TT¯-like and root-TT¯-like deformations in arbitrary dimensions. This framework applies to a wide family of stress-energy tensor perturbations and encompasses various well-kno…
View article: Generalized $T\overline{T}$-like Deformations in Duality-Invariant Nonlinear Electrodynamic Theories
Generalized $T\overline{T}$-like Deformations in Duality-Invariant Nonlinear Electrodynamic Theories Open
This study introduces a high-order perturbation methodology to categorize two primary solution types within duality-invariant nonlinear electrodynamic theories, adhering to the differential self-duality criterion. The first solution type a…
View article: More fermionic supersymmetric Wilson loops in four dimensions
More fermionic supersymmetric Wilson loops in four dimensions Open
We construct supersymmetric fermionic Wilson loops along general curves in four-dimensional N=4 super Yang-Mills theory and along general planar curves in N=2 superconformal SU(N)×SU(N) quiver theory. These loops are generalizations of the…
View article: Note on $$T{\bar{T}}$$ deformed matrix models and JT supergravity duals
Note on $$T{\bar{T}}$$ deformed matrix models and JT supergravity duals Open
In this work we calculate the partition functions of $${\mathcal {N}}=1$$ type 0A and 0B JT supergravity (SJT) on 2D surfaces of arbitrary genus with multiple finite cut-off boundaries, based on the $$T{\bar{T}}$$ deformed sup…
View article: More Fermionic Supersymmetric Wilson loops in Four Dimensions
More Fermionic Supersymmetric Wilson loops in Four Dimensions Open
We construct supersymmetric fermionic Wilson loops along general curves in four-dimensional $\mathcal{N}=4$ super Yang-Mills theory and along general planar curves in $\mathcal{N}=2$ superconformal $SU(N)\times SU(N)$ quiver theory. These …
View article: Fermionic Bogomolǹyi-Prasad-Sommerfield Wilson loops in four-dimensional $\mathcal{N}=2$ superconformal gauge theories
Fermionic Bogomolǹyi-Prasad-Sommerfield Wilson loops in four-dimensional $\mathcal{N}=2$ superconformal gauge theories Open
We construct for the first time Drukker-Trancanelli (DT) type fermionic Bogomolǹyi-Prasad-Sommerfield (BPS) Wilson loops in four-dimensional \mathcal{N}=2 superconformal SU(N)\times SU(N) quiver theory and \mathcal{N}=4 …
View article: Report on 2205.01348v2
Report on 2205.01348v2 Open
In this paper we construct fermionic Bogomolǹyi-Prasad-Sommerfield (BPS) Wilson loops in N = 2 superconformal SU (N ) × SU (N ) quiver theory and N = 4 super Yang-Mills theory.The connections of these fermionic BPS Wilson have a supermatri…
View article: Report on 2205.01348v2
Report on 2205.01348v2 Open
In this paper we construct fermionic Bogomolǹyi-Prasad-Sommerfield (BPS) Wilson loops in N = 2 superconformal SU (N ) × SU (N ) quiver theory and N = 4 super Yang-Mills theory.The connections of these fermionic BPS Wilson have a supermatri…
View article: Restorable Image Operators with Quasi-Invertible Networks
Restorable Image Operators with Quasi-Invertible Networks Open
Image operators have been extensively applied to create visually attractive photos for users to share processed images on social media. However, most image operators often smooth out details or generate textures after the processing, which…
View article: TBA-like equations for non-planar scattering amplitude/Wilson lines duality at strong coupling
TBA-like equations for non-planar scattering amplitude/Wilson lines duality at strong coupling Open
A bstract We compute the minimal area of a string worldsheet ending on two infinite periodic light-like Wilson lines in the AdS 3 boundary, which is dual to the first non-planar correction to the gluon scattering amplitude in $$ \mathcal{N…
View article: Tuning composite solid-state electrolyte interface to improve the electrochemical performance of lithium-oxygen battery
Tuning composite solid-state electrolyte interface to improve the electrochemical performance of lithium-oxygen battery Open
Thin and flexible composite solid-state electrolyte (SSE) is considered to be a prospective candidate for lithium-oxygen (Li-O2) batteries with the aim to address the problems of unsatisfied safety, terrible durability as well as inferior …
View article: Internal Video Inpainting by Implicit Long-range Propagation
Internal Video Inpainting by Implicit Long-range Propagation Open
We propose a novel framework for video inpainting by adopting an internal learning strategy. Unlike previous methods that use optical flow for cross-frame context propagation to inpaint unknown regions, we show that this can be achieved im…
View article: Internal Video Inpainting by Implicit Long-range Propagation
Internal Video Inpainting by Implicit Long-range Propagation Open
We propose a novel framework for video inpainting by adopting an internal learning strategy. Unlike previous methods that use optical flow for cross-frame context propagation to inpaint unknown regions, we show that this can be achieved im…
View article: Image Inpainting with External-internal Learning and Monochromic Bottleneck
Image Inpainting with External-internal Learning and Monochromic Bottleneck Open
Although recent inpainting approaches have demonstrated significant improvements with deep neural networks, they still suffer from artifacts such as blunt structures and abrupt colors when filling in the missing regions. To address these i…
View article: Neural Camera Simulators
Neural Camera Simulators Open
We present a controllable camera simulator based on deep neural networks to synthesize raw image data under different camera settings, including exposure time, ISO, and aperture. The proposed simulator includes an exposure module that util…
View article: Wilson loops in circular quiver SCFTs at strong coupling
Wilson loops in circular quiver SCFTs at strong coupling Open
View article: Fusion Model of Short Fault Recognition Based on DBN and DNN
Fusion Model of Short Fault Recognition Based on DBN and DNN Open
In order to ensure electrical safety, improve the ability to accurately identification of the short fault in the household circuit, we propose a fusion model based on Deep Belief Network (DBN) and Deep Neural Network (DNN). The fusion mode…
View article: Porous Ag/TiO <sub>2</sub> -Schottky-diode based plasmonic hot-electron photodetector with high detectivity and fast response
Porous Ag/TiO <sub>2</sub> -Schottky-diode based plasmonic hot-electron photodetector with high detectivity and fast response Open
Due to the advantages of narrow energy distribution of plasmonic hot-electrons in Ag and the high density of states in the TiO 2 conduction band, an Ag/TiO 2 composite is considered to be an ideal combination to construct a plasmonic hot-e…
View article: Two-loop integrability of ABJM open spin chain from giant graviton
Two-loop integrability of ABJM open spin chain from giant graviton Open
View article: Open spin chains from determinant like operators in ABJM theory
Open spin chains from determinant like operators in ABJM theory Open
We study the mixing problem of the determinant like operators in ABJM theory to two loop order in the scalar sector. The gravity duals of these operators are open strings attached to the maximal giant graviton, which is a D4-brane wrapping…
View article: Note on soft theorems and memories in even dimensions
Note on soft theorems and memories in even dimensions Open
Recently, it has been shown that the Weinberg's formula for soft graviton production is essentially a Fourier transformation of the formula for gravitational memory which provides an effective way to understand how the classical calculatio…
View article: New electromagnetic memories and soft photon theorems
New electromagnetic memories and soft photon theorems Open
In this paper, we present a new type of electromagnetic memory. It is a\n`magnetic' type, or B mode, radiation memory effect. Rather than a residual\nvelocity, we find a position displacement of a charged particle induced by the\nB mode ra…
View article: Necklace-like NiO-CuO Heterogeneous Composite Hollow Nanostructure: Preparation, Formation Mechanism and Structure Control
Necklace-like NiO-CuO Heterogeneous Composite Hollow Nanostructure: Preparation, Formation Mechanism and Structure Control Open
Composite hollow nanostructure composed by transition metal oxides are promising materials in electrochemistry, catalyst chemistry and material science. In this contribution, necklace-like NiO-CuO heterogeneous composite hollow nanostructu…
View article: Automatic Cashier System Based on Meal Plate Detection Using Deep Learning
Automatic Cashier System Based on Meal Plate Detection Using Deep Learning Open
Deep learning (DL) is an important branch of machine learning (ML) that has excellent performance in recognition and detection tasks.Currently, most self-service restaurants/canteens are utilizing traditional manual cashier approaches, whi…