27-30 September 2016
DESY Hamburg
Europe/Berlin timezone
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Plenary Session

Place

Location: DESY Hamburg
Address: Notkestrasse 85, 22607 Hamburg
Room: Main Auditorium
Date: from 27 Sep 14:10 to 30 Sep 13:00

Conveners

  • 27 Sep 14:10 - 4:10 PM
    • Arutyunov, Gleb
  • 27 Sep 16:40 - 6:00 PM
    • Theisen, Stefan
  • 28 Sep 09:10 - 11:10 AM
    • Hollands, Stefan
  • 28 Sep 11:40 - 1:00 PM
    • Boels, Rutger
  • 29 Sep 09:00 - 11:00 AM
    • Klemm, Albrecht
  • 29 Sep 11:30 - 12:50 PM
    • Stieberger, Stephan
  • 30 Sep 09:00 - 11:00 AM
    • Jansen, Karl
  • 30 Sep 11:30 - 1:00 PM
    • Schomerus, Volker

Timetable | Contribution List

Displaying 20 contributions out of 20
Session: Plenary Session
Combining insights from different branches of physics we will present a rich set of dualities in 2+1 dimensions
Presented by Nathan SEIBERG on 28/9/2016 at 10:20
Session: Plenary Session
A great part of the problem of understanding the structure of the space of quantum field theories (QFT) is arguably reduced to the one of classifying possible critical points. In this picture, the theories with mass scales are obtained by perturbing critical points and following the renormalization group (RG) trajectories. However, interestingly, in the flow not all critical points can be joined w ... More
Presented by Marina HUERTA on 27/9/2016 at 14:40
Session: Plenary Session
I will review some exact results about the coupling constant dependence of the chiral ring in four dimensional N=2 theories.
Presented by Kyriakos PAPADODIMAS on 28/9/2016 at 8:30
Session: Plenary Session
In this talk we will give an overview of recent results obtained from the bootstrap approach to CFTs. We will discuss both analytical and numerical results, including for supersymmetric theories. We identify several promising directions for further research
Presented by Balt VAN REES on 30/9/2016 at 7:40
Session: Plenary Session
I will discuss how gravity scattering amplitudes of many different gravitational theories can be obtained from various gauge theories through a double-copy procedure. The basic idea goes back to the old relation between open and closed strings, but I will argue that gravity being the double copy of two gauge theories is a more general notion. I will present new striking examples of gravity theorie ... More
Presented by Henrik JOHANSSON on 29/9/2016 at 7:40
Session: Plenary Session
We consider weakly-coupled theories of massive higher-spin particles. This class of models includes, for instance, tree-level String Theory and Large-N Yang-Mills theory. The S-matrix in such theories is a meromorphic function obeying unitarity and crossing symmetry. We discuss the unphysical high-energy fixed imaginary angle scattering regime. We expect the amplitude to be universal and exponenti ... More
Presented by Zohar KOMARGODSKY on 28/9/2016 at 7:50
Session: Plenary Session
In this talk I will give an overview of various developments in integrability within the AdS/CFT correspondence emphasizing novel directions and setups. I will also point out some outstanding questions.
Presented by Romuald JANIK on 29/9/2016 at 7:00
Session: Plenary Session
The locality of fundamental interactions and the nonlocal character of quantum correlations are reconciled in the framework of algebraic quantum field theory. The theory is based on the concept of local fields which are mathematically characterized as natural tranformations between suitable functors. The framework covers quantum field theories on generic Lorentzian manifolds including also pertu ... More
Presented by Klaus FREDENHAGEN on 30/9/2016 at 7:00
Session: Plenary Session
Considerable progress has been made in the last few years on various N=2 supersymmetric field theories. The progress includes exact results for expectation values of Wilson loop observables and various other quantities. In my talk I will review some of these developments, and try to extract some lessons of general interest for a wider audience with interests in quantum field theory.
Presented by Joerg TESCHNER on 27/9/2016 at 15:20
Session: Plenary Session
Perturbation theory for lattice regularization of field theory is known to be a quite hard subject and this holds true in particular for lattice gauge theory. In the 90's the numerical implementation of stochastic perturbation theory (NSPT) was introduced. NSPT can not only make perturbative computations on the lattice (in some cases much) easier, but also enable the computation of extremely ... More
Presented by Francesco DI RENZO on 27/9/2016 at 13:30
Session: Plenary Session
Presented by Nima ARKANI-HAMED on 29/9/2016 at 9:30
Session: Plenary Session
Besides lattice QCD in particle physics, strongly coupled gauge theories arise, for example, in the condensed matter physics of spin liquids, or in the quantum information theory of Kitaev's toric code, which is a Z(2) lattice gauge theory. Numerical simulations of gauge theories on classical computers, in particular, at high fermion density or in out-of-equilibrium situations, suffer from sever ... More
Presented by Uwe-Jens WIESE on 28/9/2016 at 9:40
Session: Plenary Session
I will review the gauge theoretical construction of quantum algebras such as q-deformed W-algebras and quantum groups from the geometry of the moduli space of quiver instantons, moduli space of monopoles and moduli space of vacua of N=2 supersymmetric gauge theories.
Presented by Vasily PESTUN on 28/9/2016 at 7:10
Session: Plenary Session
Presented by Thomas DUMITRESCU on 30/9/2016 at 9:30
Session: Plenary Session
It has been claimed that the super Hubble modes generated during inflation can make loop corrections diverge. Even if we introduce an infrared (IR) cutoff at a comoving scale as an ad hoc but a practical way for the regularization, we encounter the secular growth, which may lead to the breakdown of perturbative expansion for a sufficiently long lasting inflation. We show that the IR pathology ... More
Presented by Takahiro TANAKA on 30/9/2016 at 10:10
Session: Plenary Session
The term Tensor Network States (TNS) has become a common one in the context of numerical studies of quantum many-body problems. It refers to a number of families that represent different ansatzes for the efficient description of the state of a quantum many-body system. The first of these families, Matrix Product States (MPS), lies at the basis of Density Matrix Renormalization Group methods, which ... More
Presented by Mari Carmen BANULS on 29/9/2016 at 10:10
Session: Plenary Session
The Yang-Mills gradient flow provides new insight into the dynamics of non-Abelian gauge theories and has become a widely used tool in lattice QCD. In this talk, the theoretical foundation of the flow is reviewed and some of its applications are briefly described.
Presented by Martin LUESCHER on 27/9/2016 at 12:50
Session: Plenary Session
We start by reviewing UV completion of the Gross-Neveu model in dimensions between two and four via the Gross-Neveu-Yukawa model, which is a multi-flavor Yukawa theory. We discuss the operator scaling dimensions and the sphere free energy for these Conformal Field Theories. The case of a single two-component Majorana fermion is special in that the theory appears to flow to a CFT with emergent su ... More
Presented by Igor KLEBANOV on 27/9/2016 at 12:10
Session: Plenary Session
Presented by Luis Fernando ALDAY on 30/9/2016 at 8:20
Session: Plenary Session
The last years have seen remarkable progress in understanding the scattering amplitudes of massless particles in arbitrary dimension. They not only exhibit a simplicity completely obscured by the Feynman Diagram approach, but also a structure strikingly reminiscent of the worldsheet models describing string theory. After reviewing the key developments, I will discuss the worldsheet models, derive ... More
Presented by Yvonne GEYER on 29/9/2016 at 8:20
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