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8th International School on High-Energy and Astro-Physics (SHEAP 2026): Modified Gravity

→ Asia/Bangkok
The Institute for fundamental Study, Naresuan University

The Institute for fundamental Study, Naresuan University
Description

SHEAP 2026: International School on High-Energy and Astro-Physics

Theme: Modified Gravity and Theoretical Foundations

Event Details

  • Date: August 13 – 20, 2026

  • Venue: The Institute for Fundamental Study (IF), Naresuan University, Phitsanulok, Thailand.

Overview

The SHEAP 2026 is an intensive academic program hosted by the Institute for Fundamental Study (IF). The school aims to provide a comprehensive bridge for advanced undergraduate and graduate students into the frontiers of High-Energy Physics and Astrophysics, focusing on the mathematical structures and physical implications of modified gravity.

Objectives

  • Foundation Building: To provide rigorous training in General Relativity, Field Theory, and Constraint Analysis.

  • Advanced Expertise: To introduce students to modern theories of gravity (Horndeski, DHOST, MMG) and Effective Field Theory (EFT).

  • International Collaboration: To facilitate knowledge exchange between Thai students and world-class experts from international institutions.

Scientific Scope & Key Topics

  • Fundamental Reviews: Review of GR, Field Theory, Cosmology, and Constraint Analysis.

  • Mathematical Foundations: Stability and Causality in gravity, and the Cauchy problem in modified gravity theories.

  • Modern Gravity Theories: Scalar-Tensor theory, Horndeski theory, GLPV theories, DHOST, U-DHOST, and Minimal Modified Gravity (MMG).

  • Effective Field Theory (EFT): Goldstone Bosons, EFT of Inflation, Dark Energy, and its applications in modern physics.

 

Key Speakers & Instructors

  • Prof. Eugeny Babichev (IJCLab, Université Paris-Saclay, France)

  • Prof. Antonio de Felice (Yukawa Institute for Theoretical Physics, Kyoto University, Japan)

  • Asst. Prof. Dr. Vicharit Yingcharoenrat (Department of Physics, Chulalongkorn University)

  • Assoc. Prof. Dr. Pitayuth Wongjun (IF, Naresuan University)

  • Assoc. Prof. Dr. Khamphee Karwan (IF, Naresuan University)

  • Assoc. Prof. Dr. Sikarin Yoo-Kong (IF, Naresuan University)

  • Assoc. Prof. Dr. Pichet Vanichchapongjaroen (IF, Naresuan University)

  • Dr. Pongwit Srisangyingcharoen (IF, Naresuan University)

  • Dr. Apimook Watcharangkool (NARIT)

Program Highlights

  • Intensive Lectures: Deep dives into theoretical frameworks by leading global experts.

  • Hands-on Tutorials: Evening sessions to solve problems and reinforce lecture concepts (Led by: North, Ratch, A, Ngung).

  • Student Research: Dedicated "Students Talk" sessions for participants to present their work.

  • Academic Excursion: A half-day trip to explore the historical and cultural landmarks of Phitsanulok.

Registration Information

The school welcomes undergraduate seniors and graduate students (Master's and Ph.D.) with a strong interest in theoretical physics.

 

For details contact:
  • Thursday 13 August
    • 08:30 → 09:30
      Registration 1h
      Speaker: (IF)
    • 09:30 → 09:45
      Open 15m
      Speaker: Sikarin Yoo-Kong (IF)
    • 09:45 → 10:45
      Review of GR 1h
      Speaker: Supakchai Ponglertsakul (IF)
    • 10:45 → 11:00
      Break 15m
      Speaker: (IF)
    • 11:00 → 12:00
      Review of Field Theory 1h
      Speaker: Pongwit Srisangyingcharoen (IF)
    • 12:00 → 13:00
      Lunch 1h
      Speaker: (IF)
    • 13:00 → 14:00
      Review of constraint analysis 1h
      Speaker: Pichet Vanichchapongjaroen (IF)
    • 14:00 → 14:15
      Break 15m
      Speaker: (IF)
    • 14:15 → 15:15
      Review of cosmology 1h
      Speaker: Pitayuth Wongjun (IF)
    • 15:15 → 15:30
      Break 15m
      Speaker: (IF)
    • 15:30 → 16:30
      Introduction to modified gravity theories 1h
      Speaker: Khamphee Karwan (IF)
    • 16:30 → 18:30
      Dinner 2h
      Speaker: (IF)
    • 18:30 → 20:30
      Tutorial 2h
      Speaker: North, Ratch, A, Ngung (IF)
  • Friday 14 August
    • 09:45 → 10:45
      Stability 1h
      Speaker: Eugeny Babichev (IF)
    • 10:45 → 11:00
      Break 15m
      Speaker: (IF)
    • 11:00 → 12:00
      Causality 1h
      Speaker: Eugeny Babichev (IF)
    • 12:00 → 13:00
      Lunch 1h
      Speaker: (IF)
    • 13:00 → 14:00
      Cauchy problem in gravity theories 1h
      Speaker: Eugeny Babichev (IF)
    • 14:00 → 14:15
      Break 15m
      Speaker: (IF)
    • 14:15 → 15:15
      Cauchy problem in gravity theories 1h
      Speaker: Eugeny Babichev (IF)
    • 15:15 → 15:30
      Break 15m
      Speaker: (IF)
    • 15:30 → 16:30
      Cauchy problem in gravity theories 1h
      Speaker: Eugeny Babichev (IF)
    • 16:30 → 18:30
      Dinner 2h
      Speaker: (IF)
    • 18:30 → 20:30
      Tutorial 2h
      Speaker: North, Ratch, A, Ngung (IF)
  • Saturday 15 August
    • 09:45 → 10:45
      Scalar tensor theory 1h
      Speaker: Eugeny Babichev (IF)
    • 10:45 → 11:00
      Break 15m
      Speaker: (IF)
    • 11:00 → 12:00
      Horndeski theory1 1h
      Speaker: Eugeny Babichev (IF)
    • 12:00 → 13:00
      Lunch 1h
      Speaker: (IF)
    • 13:00 → 14:00
      Horndeski theory2 1h
      Speaker: Eugeny Babichev (IF)
    • 14:00 → 14:15
      Break 15m
      Speaker: (IF)
    • 14:15 → 15:15
      GLPV theories1 1h
      Speaker: Eugeny Babichev (IF)
    • 15:15 → 15:30
      Break 15m
      Speaker: (IF)
    • 15:30 → 16:30
      GLPV theories2 1h
      Speaker: Eugeny Babichev (IF)
    • 16:30 → 18:30
      Dinner 2h
      Speaker: (IF)
    • 18:30 → 20:30
      Tutorial 2h
      Speaker: North, Ratch, A, Ngung (IF)
  • Sunday 16 August
    • 09:45 → 10:45
      Introduction to Effective Field Theory1 1h
      Speaker: Vicharit Yingcharoenrat (IF)
    • 10:45 → 11:00
      Break 15m
      Speaker: (IF)
    • 11:00 → 12:00
      Introduction to Effective Field Theory2 1h
      Speaker: Vicharit Yingcharoenrat (IF)
    • 12:00 → 13:00
      Lunch 1h
      Speaker: (IF)
    • 13:00 → 14:00
      Review of Goldstone Bosons in Effective Field Theory 1h
      Speaker: Vicharit Yingcharoenrat (IF)
    • 14:00 → 14:15
      Break 15m
      Speaker: (IF)
    • 14:15 → 15:15
      Effective Field Theory of Inflation/Dark Energy 1h
      Speaker: Vicharit Yingcharoenrat (IF)
    • 15:15 → 15:30
      Break 15m
      Speaker: (IF)
    • 15:30 → 16:30
      Applications of Effective Field Theory and Outlook 1h
      Speaker: Vicharit Yingcharoenrat (IF)
    • 16:30 → 18:30
      Dinner 2h
      Speaker: (IF)
    • 18:30 → 20:30
      Tutorial 2h
      Speaker: North, Ratch, A, Ngung (IF)
  • Monday 17 August
    • 09:45 → 10:45
      Students talk1 1h
      Speaker: (IF)
    • 10:45 → 11:00
      Break 15m
      Speaker: (IF)
    • 11:00 → 12:00
      Talk1, Talk2 1h
      Speaker: (IF)
    • 12:00 → 13:00
      Lunch 1h
      Speaker: (IF)
    • 13:00 → 14:00
      Excursionขอรถมหาลัย+กะประมานคน+ภายในพิษโลก 1h
      Speaker: (IF)
    • 14:00 → 14:15
      Excursion 15m
      Speaker: (IF)
    • 14:15 → 15:15
      Excursion 1h
      Speaker: (IF)
    • 15:15 → 15:30
      Excursion 15m
      Speaker: (IF)
    • 15:30 → 16:30
      Excursion 1h
      Speaker: (IF)
    • 16:30 → 18:30
      Dinner 2h
      Speaker: (IF)
    • 18:30 → 20:30
      Dinner 2h
      Speaker: (IF)
  • Tuesday 18 August
    • 09:45 → 10:45
      DHOST and U-DHOST theories 1h
      Speaker: Antonio de Felice (IF)
    • 10:45 → 11:00
      Break 15m
      Speaker: (IF)
    • 11:00 → 12:00
      Applications of the DHOST theories to the real world 1h
      Speaker: Antonio de Felice (IF)
    • 12:00 → 13:00
      Lunch 1h
      Speaker: (IF)
    • 13:00 → 14:00
      MMG theory 1h
      Speaker: Antonio de Felice (IF)
    • 14:00 → 14:15
      Break 15m
      Speaker: (IF)
    • 14:15 → 15:15
      Applications of the MMG theory to the real world 1h
      Speaker: Antonio de Felice (IF)
    • 15:15 → 16:15
      Students talk2 1h
      Speaker: (IF)
    • 16:15 → 17:15
      Students talk3 1h
      Speaker: (IF)
    • 17:15 → 18:30
      Dinner 1h 15m
      Speaker: (IF)
    • 18:30 → 20:30
      Tutorial 2h
      Speaker: North, Ratch, A, Ngung (IF)
  • Wednesday 19 August
    • 09:45 → 10:45
      Cosmological probes of dark energy and modified gravity I 1h
      Speaker: David Mota (IF)
    • 10:45 → 11:00
      Break 15m
      Speaker: (IF)
    • 11:00 → 12:00
      Cosmological probes of dark energy and modified gravity II 1h
      Speaker: David Mota (IF)
    • 12:00 → 13:00
      Lunch 1h
      Speaker: (IF)
    • 13:00 → 14:00
      Cosmological probes of dark energy and modified gravity III 1h
      Speaker: David Mota (IF)
    • 14:00 → 14:15
      Break 15m
      Speaker: (IF)
    • 14:15 → 15:15
      Cosmological probes of dark energy and modified gravity IV 1h
      Speaker: David Mota (IF)
    • 15:15 → 15:30
      Break 15m
      Speaker: (IF)
    • 15:30 → 16:30
      Cosmological probes of dark energy and modified gravity V 1h
      Speaker: David Mota (IF)
    • 16:30 → 18:30
      Dinner 2h
      Speaker: (IF)
    • 18:30 → 20:30
      Tutorial 2h
      Speaker: North, Ratch, A, Ngung (IF)
  • Thursday 20 August
    • 09:45 → 10:45
      Talk3, Talk4 1h
      Speaker: (IF)
    • 10:45 → 11:00
      Break 15m
      Speaker: (IF)
    • 11:00 → 12:00
      Talk5, Talk6 1h
      Speaker: (IF)
    • 12:00 → 13:00
      Lunch 1h
      Speaker: (IF)
    • 13:00 → 14:00
      Talk7, Talk8 1h
      Speaker: (IF)
    • 14:00 → 14:15
      Break 15m
      Speaker: (IF)
    • 14:15 → 15:15
      Talk9, Talk10 1h
      Speaker: (IF)
    • 15:15 → 15:30
      Break 15m
      Speaker: (IF)
    • 15:30 → 16:30
      Public talk 1h
      Speaker: (IF)