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Lattice Journal Club  

The Lattice Journal Club talks are intended to give all members of our lattice group (Bachelor, Master, PhD, PostDoc) the opportunity to discuss together topics/papers that are of general interest in our field. The speaker should give an introductory presentation of the topic/paper he/she selected, highlighting why it is interesting and what might be the troublesome points that deserve a discussion. The style of the Journal Club is informal and its aim pedagogical, encouraging discussions within the group on topics of relevance.

About

Journal Club talks are expected to last about 45 minutes. A discussion session will follow, which is expected to last about 15 minutes. Speakers are free to choose whether to deliver a blackboard talk or a beamer talk and hybrid versions are also welcome.

Guidelines for talks and detailed information on the format can be found in our Journal Club Guidelines.

Our guidelines are also summarized in a nice Presentation on Journal Club Guidelines.

After every talk, people in the audience will be invited to fill in an Assessment Questionnaire to provide useful feedbacks to Speakers.

Schedule

13

APR

ORGANIZATIONAL MEETING


  • Friday
  • 14 (c.t.)
  • Room 02.120

20

APR

NO MEETING


  • Friday
  • 14 (c.t.)
  • Room 02.120

27

APR

Effective heavy quark theory of strong coupling lattice QCD in 1+1 dimensions

Speaker: Alena Schön - MSc. Seminar

Mass implementation to lattice cut-off effects in QCD thermodynamics with chemical potential

Speaker: Florian Eisenhut - BSc. Seminar

  • Friday
  • 14 (c.t.)
  • Room 02.120

04

MAY

The sign problem and current approaches

Speaker: Sebastian Schmalzbauer

  • Friday
  • 14 (c.t.)
  • Room 02.120

11

MAY

Reweighting Lefschetz thimbles ( *** CANCELLED ***)

Speaker: Felix Ziegler
Read abstract

In this talk I will present a promising candidate to simulate quantum field theories with a complex action on the lattice: the Lefschetz thimble method. The latter allows for a decomposition of the path integral over a real manifold into a sum of integrals over the thimbles which are complex manifolds. One of the main challenges thereby is computing the relative weights of thimbles contributing to the partition function. I will propose a solution to that problem by means of applying a reweighting procedure. Besides I present recipes for finding numerical parametrizations of the thimbles. All methods will be explained by using simple complex integrals amongst which are toy models for gauge theories with fermions at finite density.

  • Friday
  • 14 (c.t.)
  • Room 02.120

18

MAY

PERTURBATIVE COMPUTATION OF PION PROPERTIES AT FINITE ISOSPIN CHEMICAL POTENTIAL

Speaker: Sumir Motreedja - MSc. Seminar

  • Friday
  • 14 (c.t.)
  • Room 02.120

25

MAY

SFB Kolloquium in Darmstadt


  • Friday
  • 14 (c.t.)
  • Room 02.120

01

JUN

NO MEETING


  • Friday
  • 14 (c.t.)
  • Room 02.120

08

JUN

Lattice qcd at nonzero \(T\): a typical day in Frankfurt (I)

Speaker: Alessandro Sciarra

  • Friday
  • 14 (c.t.)
  • Room 02.120

15

JUN

Lattice qcd at nonzero \(T\): a typical day in Frankfurt (II)

Speaker: Francesca Cuteri

  • Friday
  • 14 (c.t.)
  • Room 02.120

22

JUN

Introduction to nonequilibrium QFT

Speaker: Andreas Halsch

  • Friday
  • 14 (c.t.)
  • Room 02.120

29

JUN

Multilevel Monte Carlo simulations with fermions

Speaker: Marco Cè

  • Friday
  • 14 (c.t.)
  • Room 02.120

06

JUL

Topological susceptibility at high temperatures

Speaker: Daniel Robaina Fernández

  • Friday
  • 14 (c.t.)
  • Room 02.120

13

JUL

Landau-Ginzburg aproach to the QCD phase diagram at purely imaginary chemical potential

Speaker: Nathan Hütsch - BSc. Seminar

Model calculations: ideal relativistic Fermi gases

Speaker: Miguel Salg - BSc. Seminar

  • Friday
  • 14 (c.t.)
  • Room 02.120

Suggested topics/papers

Introduction/overview of widely used lattice discretizations
Introduction/overview of widely used lattice methods
Introduction/overview of widely used MC algorithms, smoothing and data analysis techniques
Further topics

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