German Japanese Workshop 2024

Sep 25, 2024, 9:00 AM → Sep 27, 2024, 9:35 PM Europe/Berlin

Institut für Kernphysik (Johannes Gutenberg-Universität Mainz)

Hartmut Wittig

Campus Map Nuclear Physics.png

Directions Best Western to Institute for Nuclear Physics

Directions Favorite Biergarten Mainz

Directions from Hotel Best Western to Favorite Biergarten

Directions Hotel Best Western

Directions Institut for Nuclear Physics

Meeting Point Excursion

Wed, September 25

9:00 AM → 9:15 AM Welcome

9:15 AM → 10:30 AM QCD phase diagram

9:15 AM Vector spectral functions and finite temperature

Speaker: Harvey Meyer (Johannes Gutenberg University Mainz)

meyerhGerJaWorksh2024.pdf

9:40 AM Lee-Yang-zero ratio for critical-point searches

Speaker: Masakiyo Kitazawa (Yukawa Institute for Theoretical Physics, Kyoto University)

240925_GJjoint_LYZ.pdf

240925_GJjoint_LYZ.pptx

10:05 AM Finite-temperature critical point in heavy-quark QCD

Speaker: Kazuyuki Kanaya (Tomonaga Center for the History of the Universe, University of Tsukuba)

2409_Mainz_kanaya.pdf

10:30 AM → 11:00 AM Coffee break

11:00 AM → 11:10 AM Welcome address by the Vice President of Johannes Gutenberg University Mainz

11:10 AM → 12:35 PM QCD phase diagram

11:10 AM Phase structure of finite temperature-density QCD in heavy quark regime by hopping parameter expansion

Speaker: Dr Shinji Ejiri (Niigata University)

gj2024ejiri.pdf

11:35 AM Lattice Study of Quarkonia at Finite Temperature

Speaker: Dibyendu Bala (Bielefeld University)

Dibyendu.pdf

11:55 AM Quark number susceptibility and conserved charge fluctuations of (2+1)-Flavor QCD with Möbius Domain Wall fermions

Speaker: Jishnu Goswami (RIKEN Center for Computational Science)

jishnuGERJAP.pdf

12:15 PM Finite temperature QCD phase transition with 3 flavors of Möbius domain wall fermions

Speaker: Yu Zhang

Yu_German_Japan_seminar.pdf

12:35 PM → 2:10 PM Lunch break

2:10 PM → 3:55 PM Algorithms and Machine learning

2:10 PM Gauge-equivalent neural networks for multigrid preconditioners

Speaker: Tilo Wettig (University of Regensburg)

mainz24.pdf

2:35 PM Sign problem and the Worldvolume HMC method I: basic algorithm

Speaker: Masafumi Fukuma (Kyoto University)

2024-09Mainz_fukuma_upload.pdf

3:05 PM Sign problem and the Worldvolume HMC method II: various applications

Speaker: Yusuke Namekawa (Hiroshima University)

namekawa-2024_09_25-v2.pdf

3:25 PM New developments in numerical studies of quantum time-evolution based on the real-time path integral

Speaker: Prof. Jun Nishimura (KEK, SOKENDAI)

mainz240925v10.pdf

mainz240925v10.pptx

3:55 PM → 4:25 PM Coffee break

4:25 PM → 4:50 PM Algorithms and Machine learning

4:25 PM Multigrid Solvers in Bridge++

Speaker: Issaku Kanamori (RIKEN)

GJ2024_kanamori.pdf

4:50 PM → 5:45 PM Physical observables

4:50 PM Calculation of Kl3 form factor at the physical point on large volume

Speaker: Takeshi Yamazaki

yamazaki.pdf

5:15 PM A road to precision B physics

Speaker: Rainer Sommer (DESY)

B-decays-Mainz-RS-2.pdf

6:00 PM → 7:00 PM Reception and Wine tasting

Thu, September 26

9:00 AM → 10:00 AM Conceptual developments

9:00 AM Lattice computation of inclusive processes

Speaker: Shoji Hashimoto (KEK)

GJ_Hashimoto.pdf

9:30 AM Scattering Amplitudes from Euclidean Correlators

Speaker: Agostino Patella (Humboldt-Universität zu Berlin)

patella.pdf

10:00 AM → 10:25 AM Tensor RG

10:00 AM Tensor network study of CP(1) model with theta-term

Speaker: Shinji Takeda (Kanazawa University)

20240925_takeda.pdf

10:25 AM → 11:00 AM Coffee break

11:00 AM → 11:50 AM Tensor RG

11:00 AM Tensor renormalization group study of (1+1)-dimensional U(1) gauge-Higgs model at θ=π with Luscher's admissibility condition

Speaker: Yoshinobu Kuramashi (University of Tsukuba)

Kuramashi.pdf

11:25 AM A general method of the initial tensor construction for the TRG as the Steiner tree problem

Speaker: Katsumasa Nakayama (Riken)

00_German_Japanese_202409_Kats.pdf

11:50 AM → 12:15 PM QCD phase diagram

11:50 AM On the nature of the chiral phase transition

Speaker: Owe Philipsen

mainz24_op.pdf

12:15 PM → 1:30 PM Lunch break

1:30 PM → 3:10 PM QCD phase diagram

1:30 PM Complex Langevin Method applied to Lattice QCD at High Density

Speaker: Kohtaroh Miura (KEK-IPNS)

kohtaroh_miura_dejp20240926.pdf

1:55 PM Conserved charge fluctuations and correlations in finite-density QCD

Speaker: Frithjof Karsch (Bielefeld University)

FK-dtJap2024.pdf

2:20 PM Finite temperature QCD explored with chiral fermions

Speaker: Yasumichi Aoki (RIKEN)

GJ2024_yaoki.pdf

2:45 PM QCD thermodynamics at non-zero isospin and baryon density

Speaker: Bastian Brandt

talk.pdf

4:00 PM → 6:00 PM Excursion

7:00 PM → 9:00 PM Conference Dinner

Fri, September 27

9:00 AM → 10:10 AM Physical observables

9:00 AM Precision physics in the charm sector

Speaker: Sara Collins

talk.pdf

9:30 AM Calculation of pion and kaon charge radii using model-independent method in the PACS10 configuration

Speaker: Kohei Sato (University of Tsukuba)

German_Japanese_Workshop_2024_ksatoh.pdf

9:50 AM Lattice studies of the nucleon structures for the PACS collaboration

Speaker: Ryutaro Tsuji (KEK)

GermanJapanese2024.pdf

10:10 AM → 10:35 AM Algorithms and Machine learning

10:10 AM Parallel tempered meta-dynamics: An algorithm with potential

Speaker: Christian Hoelbling (Wuppertal University)

talk.key

talk.pdf

10:35 AM → 11:00 AM Coffee break

11:00 AM → 12:35 PM Algorithms and Machine learning

11:00 AM Machine learning in lattice gauge theory

Speaker: Akio Tomiya (TWCU)

German-Japan_seminar_tomiya.pdf

11:30 AM Noise reduction techniques based on machine learning

Speaker: Hartmut Wittig

JapGer_2024.pdf

11:55 AM Machine learning estimation on the trace of inverse Dirac operator

Speaker: Hiroshi Ohno (University of Tsukuba)

german_japanese_workshop2024_ohno.pdf

12:35 PM → 1:30 PM Lunch break

1:30 PM → 2:50 PM ILDG

1:30 PM International Lattice Data Grid: Part I

Speaker: Hideo Matsufuru (High Energy Accelerator Research Organization (KEK))

matsufuru_jg2024.pdf

1:55 PM International Lattice Data Grid: Part II

Speaker: Hubert Simma (DESY)

ildg2.pdf

2:20 PM ILDG: Demo and discussion

Speakers: Hideo Matsufuru (High Energy Accelerator Research Organization (KEK)), Hubert Simma (DESY)

2:50 PM → 3:00 PM Close-out, End of Workshop