Conveners
Parallels Track G: Monday I
- Roman Pasechnik (Lund university)
- Shaaban Khalil (Zewail City of Science and Technology)
- Domenec Espriu (Universitat de Barcelona)
- Enrico Rinaldi (University of Michigan)
- Zoltan Fodor ()
- Vicente Vento (University of Valencia)
Parallels Track G: Monday II
- Zoltan Fodor ()
- Vicente Vento (University of Valencia)
- Roman Pasechnik (Lund university)
- Enrico Rinaldi (University of Michigan)
- Domenec Espriu (Universitat de Barcelona)
- Shaaban Khalil (Zewail City of Science and Technology)
Parallels Track G: Tuesday I
- Vicente Vento (University of Valencia)
- Enrico Rinaldi (University of Michigan)
- Zoltan Fodor ()
- Shaaban Khalil (Zewail City of Science and Technology)
- Roman Pasechnik (Lund university)
- Domenec Espriu (Universitat de Barcelona)
Parallels Track G: Tuesday II
- Shaaban Khalil (Zewail City of Science and Technology)
- Zoltan Fodor ()
- Roman Pasechnik (Lund university)
- Enrico Rinaldi (University of Michigan)
- Domenec Espriu (Universitat de Barcelona)
- Vicente Vento (University of Valencia)
Parallels Track G: Thursday I
- Vicente Vento (University of Valencia)
- Enrico Rinaldi (University of Michigan)
- Roman Pasechnik (Lund university)
- Zoltan Fodor ()
- Domenec Espriu (Universitat de Barcelona)
- Shaaban Khalil (Zewail City of Science and Technology)
Parallels Track G: Thursday II
- Zoltan Fodor ()
- Enrico Rinaldi (University of Michigan)
- Domenec Espriu (Universitat de Barcelona)
- Shaaban Khalil (Zewail City of Science and Technology)
- Vicente Vento (University of Valencia)
- Roman Pasechnik (Lund university)
Parallels Track G: Friday I
- Shaaban Khalil (Zewail City of Science and Technology)
- Domenec Espriu (Universitat de Barcelona)
- Roman Pasechnik (Lund university)
- Zoltan Fodor ()
- Vicente Vento (University of Valencia)
- Enrico Rinaldi (University of Michigan)
Parallels Track G: Friday II
- Zoltan Fodor ()
- Enrico Rinaldi (University of Michigan)
- Vicente Vento (University of Valencia)
- Domenec Espriu (Universitat de Barcelona)
- Roman Pasechnik (Lund university)
- Shaaban Khalil (Zewail City of Science and Technology)
This study explores the utility of a kernel in complex Langevin simulations of quantum real-time dynamics on the Schwinger-Keldysh contour. We give several examples where we use a systematic scheme to find kernels that restore correct convergence of complex Langevin. The schemes combine prior information we know about the system and the correctness of convergence of complex Langevin to...
Gauge/gravity duality is a great vehicle to guide one's path when strongly coupled. We show that this duality will explain many unusual scaling laws for bipartite entanglement entropy and quark-anti-quark potentials present in the numerical data we obtain from the lattice Yang-Mills theory in three- and four dimensions. We also discuss their dual gravity descriptions.
In the context of warped five-dimensional models formulated to understand the physics beyond the Standard Model (SM), we will discuss the prediction of a continuum of Kaluza-Klein modes on top of the SM zero modes, with a mass gap. We compute the Green’s functions for gauge bosons and describe how the continuum is reached from a discretized theory. We also study the Green's functions for the...
We analyze [1] the next to leading order (NLO) graviton-graviton scattering amplitude via the Inverse Amplitude Method (IAM), well known to low-energy QCD practitioners [2]. Like the electroweak chiral lagrangian, successfully used for low-energy QCD, the Einstein-Hilbert (EH) lagrangian is a non-linear and non-renormalizable theory whose most relevant operator is a dimension two one...
Strongly-coupled dark sectors offer natural UV-complete extensions to the Standard Model that are challenging to access experimentally if they are only weakly coupled to the Standard Model. In this talk, I will present the possibility to test these dark sectors via gravitational-wave signals from the dark confinement phase transition. Due to the non-perturbative nature of the QCD-like sectors,...
In our previous work, we have been using Lattice results and Polyakov Loop model to explore the non-perturbative dark deconfinement-confinement phase transition and the generation of gravitational-waves in a dark Yang-Mills theory. In this work, We further include fermions with different representations in the dark sector. Employing the Polyakov-Nambu-Jona-Lasinio (PNJL) model, we discover...
We propose a programme towards the understanding of confinement in QCD by means of the development of a geometrical version of the renormalization group flow for the Standard Model of Particle Physics. This is based on a stochastic version of the Ricci flow, which encodes both changes of topology and topological braiding. The proposed formalism enables the rescaling of fixed topologies through...
The D0-matrix models of string theory have gained much attention in the latter years. I will discuss the physics one can extract from these using lattice-based simulations and the gauge/gravity duality to understand gravitational theories. In particular, I will show how the confinement-to-deconfinement transition corresponds to a topology change of the geometry in the supergravity theory and...
Beyond the standard model theories involving early universe first order phase transitions can lead to a gravitational wave background that may be measurable with improved detectors. Thermodynamic observables of the transition, such as the latent heat, determined through lattice simulations can be used to predict the expected signatures from a given theory and constrain physical models....
Many models of composite dark matter feature a first-order confinement transition in the early universe, which would produce a stochastic background of gravitational waves that will be searched for by future gravitational-wave observatories. I will present work in progress using lattice field theory to predict the properties of such first-order transitions. Targeting SU(N) Yang-Mills...
From the embedding of the Standard Model Effective Field Theory (SMEFT) in the more general Higgs Effective Field Theory (HEFT), we expose correlations among the coefficients of the latter that, if found to be violated in future data, would lead to the experimental falsification of the SMEFT framework. These are derived from the necessary symmetric point of HEFT and analiticity of the SMEFT...
We present a composite two-Higgs-doublet model (2HDM) constructed using dilaton effective field theory. This EFT describes the particle spectrum observed in lattice simulations of a near-conformal SU(3) gauge field theory. A second Higgs doublet is naturally accommodated within the EFT. Using information from numerical lattice studies of the SU(3) gauge theory with eight fundamental (Dirac)...
Sp(2N) gauge theories with fermonic matter provide an ideal laboratory to build up phenomenological models for physics beyond the standard model based on novel composite dynamics, where the models include composite Higgs along with partial top compositeness and composite dark matter. Without fermions they also supplement SU(N_c) gauge theories in the large N_c limit. In this talk we report on...
The AdS/CFT correspondence and its generalization to further examples of gauge/gravity duality provide a very useful approach into solving strongly coupled systems. Here, this will be put at work for the strongly coupled sector of Composite Higgs models. We will work out relation between masses of proposed states in Composite Higgs. As a cross check we compare these results to lattice...
Abstract: The stable hadronic bound states in a hidden new non-Abelian gauge sector provide interesting candidates for strongly-interacting Dark Matter (DM). A particular example are theories in which DM is made up of dark pions which set the DM relic abundance through self-annihilation. One of the simplest realizations is a $Sp(4)$ gauge symmetry with two Dirac fermions. We will discuss its...
In real-world QCD and its large-N generalization, it is not clear how confinement/deconfinement transition can be defined in terms of symmetry. Dynamical fundamental quarks spoil the center symmetry, and finite quark mass spoils the chiral symmetry. It is widely believed there is no phase transition in the literal sense. However, progress in holography and QCD-like theories suggest the...
The gauge/gravity duality can be used to constrain QCD at intermediate densities and temperatures, where first-principles methods are not available. I will give an overview on recent results from the V-QCD model in this region, including predictions for the phase diagram, deconfinement transition, equation of state, and transport of dense QCD matter. If time permits, I will also discuss...
Evidence has emerged recently in large N gauge theories that a `partially-deconfined’ phase can appear between confined and deconfined phases. In this phase, only a subset of colours deconfine. The centre symmetry is spontaneously broken in the partially-deconfined phase, raising the question of whether an order parameter exists that can also distinguish it from the completely-deconfined...
We study graviton-graviton scattering in partial-wave amplitudes after unitarizing their Born terms. In order to apply S-matrix techniques, based on unitarity and analyticity, we introduce an S-matrix associated to this resummation that is free of infrared divergences. This is achieved by removing the diverging phase factor calculated by Weinberg that multiplies the S matrix, and that stems...
