SHEAP 2026

About this event

SHEAP 2026 is an intensive academic program at the Institute for Fundamental Study, Naresuan University, bridging advanced undergraduate and graduate students into High-Energy Physics and Astrophysics, with a focus on modified gravity and its mathematical and physical foundations.

Schedule
All School
Modified Gravity and Theoretical Foundations

Modified Gravity and Theoretical Foundations

  • Fundamental Reviews
  • Mathematical Foundations
  • Modern Gravity Theories
  • Effective Field Theory (EFT)
Lecture and Activity Archive
calendar_month Event Date
13–20 AUGUST 2569
groups Registered Participants
41 / 47

Scientific Scope & Key Topics

Exploring the theoretical foundations and modern developments of gravity.

01

Fundamental Reviews

General Relativity · Field Theory · Cosmology · Constraint Analysis

Providing a comprehensive revisit to the core pillars of gravitational physics, covering the geometric formulation of General Relativity, classical field dynamics, and standard cosmological evolution. Special emphasis is placed on Dirac–Bergmann constraint analysis to identify physical degrees of freedom, establishing the essential theoretical intuition required for exploring modern modifications of gravity.

02

Mathematical Foundations

Stability · Causality · Cauchy Problem

Exploring stability and causality in gravitational theories, together with the Cauchy problem in modified gravity.

03

Modern Gravity Theories

Scalar–Tensor · Horndeski · GLPV · DHOST · U-DHOST · MMG

Introducing contemporary approaches to modified gravity, including Scalar–Tensor, Horndeski, GLPV, DHOST, U-DHOST, and Minimal Modified Gravity theories.

04

Effective Field Theory

Goldstone Bosons · EFT of Inflation · Dark Energy

Applying Effective Field Theory to inflation, dark energy, and modern problems in fundamental physics.

Program Highlights

Across eight days, SHEAP 2026 combined intensive theoretical lectures, hands-on tutorials, student research presentations, and academic excursions to create an engaging environment for learning, discussion, and research exchange.

Academic lecture
INTENSIVE LECTURES

Advanced theoretical frameworks from leading experts

Participants engaged in intensive lectures covering General Relativity, Field Theory, Cosmology, Modified Gravity, Effective Field Theory, and observational aspects of gravity.

Students working together
HANDS-ON TUTORIALS

From theoretical concepts to problem-solving

Evening tutorial sessions gave participants the opportunity to work through problems, reinforce concepts introduced during lectures, and engage in guided discussions.

Research presentation
STUDENT RESEARCH

Sharing ideas, research, and perspectives

Dedicated Students Talk and research presentation sessions provided participants with opportunities to introduce their work, exchange ideas, and engage in discussions with fellow researchers.

Cultural and historical site
ACADEMIC EXCURSION

Connecting scientific learning with local culture

Beyond the classroom, participants joined an academic excursion exploring the historical and cultural heritage of Phitsanulok, creating opportunities for interaction and cultural exchange.

Experts & Research

SHEAP 2026 brought together leading researchers from international institutions, offering participants the opportunity to explore contemporary perspectives on gravity, cosmology, and modified gravity.

Global Perspectives

Eugeny Babichev

Eugeny Babichev

IJCLab – Université Paris-Saclay, France

David F. Mota

David F. Mota

University of Oslo, Norway

Research Perspectives

Exploring different approaches to gravity, cosmology, and the theoretical and observational foundations of modern physics.

EUGENY BABICHEV

Modified Gravity & Cosmology

Exploring modified theories of gravity and their implications for cosmology and gravitational physics.

IJCLab – Université Paris-Saclay, France
DAVID F. MOTA

Testing Gravity & Cosmic Structure

Investigating experimental and observational tests of General Relativity, modified gravity, and their role in understanding cosmic structures.

University of Oslo, Norway
🖼️ ภาพโครงการ Sheap 2026

Your generosity in sharing knowledge, leading discussions, and guiding our evening tutorials made Day 1 a huge success.

Thank you to all our brilliant organizers and energetic participants! Stay tuned for more updates as we continue exploring the frontiers of physics! ✨🙏

🌌 Day 1 Complete! SHEAP 2026 – Modified Gravity and Theoretical Foundations is officially underway at The Institute for Fundamental Study (IF)!

Participants dove straight into the core foundations of modern theoretical physics today—from General Relativity and Field Theory to Cosmology, Constraint Analysis, and Modified Gravity.

✨ Special Thanks to Our Opening Leaders

We extend our deepest gratitude to our distinguished leaders for opening the event and inspiring our young researchers:

  • Prof. Dr. Kornkanok Ingkaninan (Vice President for Research and Innovation Development)
  • Assoc. Prof. Dr. Sikarin Yoo-Kong (Director, The Institute for Fundamental Study)

👏🏻 Heartfelt Gratitude to Our Day 1 Lecturers

A huge thank you to our expert speakers for delivering insightful, highly engaging lectures throughout the day:

  • Dr. Nontapat Wanwieng
  • Asst. Prof. Dr. Pongwit Srisangyingcharoen
  • Assoc. Prof. Dr. Pichet Vanichchapongjaroen
  • Assoc. Prof. Dr. Pitayuth Wongjun
  • Assoc. Prof. Dr. Khamphee Karwan
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🖼️ ภาพโครงการ Sheap 2026

Recap: School on Modified Gravity & Cosmology

🌌 What an incredible 8 days at The Institute for Fundamental Study (IF), Naresuan University! From deep theoretical lectures to engaging cultural activities, here is how the event unfolded:

✨ Key Highlights & Topics Covered

📙We also express our sincere appreciation to our esteemed colleagues from IF, Naresuan University:

  • Foundations & Core Reviews: Comprehensive sessions on General Relativity, Field Theory, Constraint Analysis, and Cosmology fundamentals.
  • Advanced Theoretical Physics: In-depth explorations into Black Hole Perturbation Theory, – Ghost Instabilities, Horndeski/Beyond Horndeski theories, DHOST, and MTMG with world-class guest speakers.
  • Effective Field Theory (EFT): Specialized lectures detailing EFT applications to Inflation, Dark Energy, and Goldstone Bosons.
  • Observational Probes & Public Engagement: Discussions on scalar-tensor screening, gravitational waves, cosmic voids, axion-photon conversion, and a special Public Keynote examining the origins of the Big Bang.

Thank you to all our distinguished speakers, organizers, and participants for making this school a success. Stay tuned for upcoming events and research workshops!

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🖼️ ภาพโครงการ Sheap 2026

Thank you to all our speakers for sharing their expertise and inspiring the next generation of researchers! 👏🏻 🙏

SHEAP 2026 Day 2: Diving Deep into Modified Gravity with Prof. Evgeny Babichev & IF Lecturers 🌌🌠

🧢On behalf of The Institute for Fundamental Study (IF), Naresuan University, we extend our deepest gratitude to our keynote speaker, Prof. Evgeny Babichev from IJCLab, Université Paris-Saclay, France, for delivering an extraordinary series of lectures throughout Day 2 of SHEAP 2026.

🔯 Prof. Babichev anchored the scientific sessions, guiding participants through fundamental and advanced concepts in modified gravity and theoretical cosmology:Instabilities, Ghosts, and the Ostrogradsky TheoremCharacteristics, Hyperbolicity, and CausalityK-essence & GalileonsHorndeski Theory & Beyond HorndeskiHis deep insights and clear pedagogical approach made these complex theoretical frameworks both accessible and inspiring.

📙 We also express our sincere appreciation to our esteemed colleagues from IF, Naresuan University:

  • Dr. Chun Hung Chen for his tutorial lecture reviewing the WKB Approximation for Black Hole Perturbation Theory.
  • Dr. Pichet Vanichchapongjaroen & Dr. Pitayuth Wongjun for kicking off the day’s program with an engaging opening tutorial.
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🎙️ Key Speakers & Instructors

Instructors

  • Sikarin Yoo-Kong 
    The Institute for Fundamental Study (IF) Naresuan University
  • Pongwit Srisangyingcharoen
    The Institute for Fundamental Study (IF) Naresuan University
  • Pichet Vanichchapongjaroen
    The Institute for Fundamental Study (IF) Naresuan University
  • Pitayuth Wongjun
    The Institute for Fundamental Study (IF) Naresuan University
  • Chun Hung Chen
    The Institute for Fundamental Study (IF) Naresuan University
  • Khamphee Karwan
    The Institute for Fundamental Study (IF) Naresuan University
  • Supakchai Ponglertsakul
    Strong Gravity Group, Department of Physics, Silpakorn University

Guest Lecturers

  • Eugeny Babichev
    Research Director, IJCLab – Université Paris-Saclay, France
  • Antonio de Felice
    Yukawa Institute for Theoretical Physics, Kyoto University, Japan
  • Vicharit Yingcharoenrat
    Department of Physics, Chulalongkorn University
  • David F. Mota
    University of Oslo, Norway
  • Nontapat Wanwieng
    National Astronomical Research Institute of Thailand (NARIT)

Student Researchers

  • Nutnicha Masoongnoen
    Kasetsart University, Thailand
  • Chilwatun Nasiroh
    Kasetsart University, Thailand
  • Nandan Roy
    Centre for Theoretical Physics and Natural Philosophy, Mahidol University, Thailand
  • Seyed Naseh Sajadi
    Strong Gravity Group, Silpakorn University
  • Daris Samart
    Associate Professor in Theoretical Physics, Khon Kaen University
  • Lunchakorn Tannukij
    King Mongkut’s Institute of Technology Ladkrabang / Mahidol University
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Dream Big. Study Fundamental Physics

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