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

August 13 @ 9:00 AM August 20 @ 4:30 PM

SHEAP2026 – Modified Gravity and Theoretical Foundations

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.

https://indico.global/e/sheap2026



⚛️ 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.


✍🏻 Registration & Fees

Targets

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

Travel Expenses

Participants are responsible for their own travel costs. We have some travel support for foreign students in ASEAN. This support is limited to 4-5 students, depending on our budget.

Media Recording

Please be informed that photos and videos may be taken during the program for public relations, media materials, and official performance reports across various channels.

Dorm

Accommodation: We support free on-campus accommodation at Naresuan dormitory for all students.https://maps.app.goo.gl/X4Q3HLZws1wmQuAN7 This is available upon request. 
(If you want to stay at a different place, you will be responsible for booking and covering the lodging costs yourself.)

Room Format: Shared rooms with other participants (2 people per room, separated by gender).

Stay period: From the night of August 12 – 19, 2026.

  • Register
  • Confirmation

https://forms.gle/oTNTQm4saHDwFQqH6


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.


🎙️ Key Speakers & Instructors

  • Eugeny Babichev
    IJCLab, Université Paris-Saclay, France
  • Antonio de Felice
    Yukawa Institute for Theoretical Physics, Kyoto University, Japan
  • David F. Mota
    University of Oslo, Norway
  • Vicharit Yingcharoenrat
    Department of Physics, Chulalongkorn University
  • Nontapat Wanwieng
    NARIT
  • Pitayuth Wongjun
    CGL Lab – IF, Naresuan University
  • Khamphee Karwan
    CGL Lab – IF, Naresuan University
  • Pichet Vanichchapongjaroen
    IFTHEP Lab – IF, Naresuan University
  • Pongwit Srisangyingcharoen
    IFTHEP Lab – IF, Naresuan University

🚌 Travel Information
  • Transportation Guide:
    Bangkok to Phitsanulok
  • @Naresuan University

There are three main ways to travel from Bangkok to Phitsanulok: by airplane, train, or bus.

✈️ By Airplane


Flying is the most convenient and time-saving option. Flights depart from Don Mueang International Airport (DMK) and land at Phitsanulok Airport (PHS).

  • Airlines: Nok Air and AirAsia
  • Travel Time: Approximately 55 minutes to 1 hour
  • Popular Flight Times: Available throughout the day, including morning (around 07:10 AM), afternoon (around 02:45 PM), and evening (around 05:10 PM).
  • Starting Fares: Around 1,100 – 2,300 THB (depending on promotions and how early you book).
  • Getting to the Venue: From Phitsanulok Airport to Naresuan University, you can easily take a taxi for about 200 THB.

🚊 By Train


Ideal for those who want a relaxed journey or a cozy sleeper train experience. Trains depart from Krung Thep Aphiwat Central Terminal and arrive at Phitsanulok Railway Station (located in the heart of the city).

Recommended Train Types

  • Special Express (Train No. 7): Departs in the morning at 07:30 AM and arrives in Phitsanulok at 11:48 AM. Taking only 4 hours 18 minutes, this is the fastest train option.
  • Special Express CNR (Train No. 9): Departs at 06:40 PM and arrives at 12:15 AM. This uses newer train models with highly comfortable sleeper berths.
  • Rapid / Express Trains: Other options include Train No. 109 (departs at 02:15 PM) or overnight trains if you prefer to arrive at dawn.

Summary

  • Travel Time: Approximately 4 hours 20 minutes to 6 hours (depending on the train type).
  • Starting Fares: Starts at around 230 THB for a 3rd-class fan seat up to 1,000+ THB for a 1st-class air-conditioned sleeper berth.
  • Getting to the Venue: From the railway station to Naresuan University, you can take a taxi for about 200 THB.

🚌 By Bus


This is a popular choice if you are not in a rush and want to save on travel costs. You can board the buses at the Bangkok Bus Terminal Chatuchak (Mochit 2).

Popular Bus Companies

  • Phitsanulok Yanyont Tour (พิษณุโลกยานยนต์ทัวร์): The most popular choice with frequent departures throughout the day and comfortable VIP buses. Note: This bus route usually passes the university. You can ask the driver to let you off directly in front of Naresuan University.
  • Sukhothai Wintour: Offers good service with many daily rounds.
  • The Transport Co., Ltd. (999): Highly recommended for their comfortable 24-seat VIP late-night buses.
  • Nakhonchaiair: Excellent service, but they have fewer departures for this route and usually drop passengers off at the New Phitsanulok Bus Terminal (Indochina Intersection).

Summary

  • Travel Time: Approximately 5 – 6 hours (can take around 4.5 hours for late-night buses when traffic is light).
  • Starting Fares: Around 320 – 450+ THB (depending on the bus class, such as First Class or VIP).

🗺️ NU 360 Map – Virtual Tour


📚 Organized and Co-hosted by

📌
IF – Naresuan University Tha Pho, Phitsanulok Click to open Maps ↗