Research Areas

String theory, AdS/CFT correspondence, Black hole microstates, Flat-space holography.

Education

2018.08 - 2024.08 Ph.D. in Theoretical physics, International Centre for Theoretical Sciences (ICTS-TIFR), Tata Institute of Fundamental Research, Bangalore, Karnataka, India.

2016.07 - 2018.07 M. Sc. in Physics, Indian Institute of Technology Kharagpur, West Bengal, India.

2013.09 - 2016.06 B.Sc. in Physics, Ramakrishna Mission Residential College Narendrapur, Kolkata, West Bengal, India.

Work Experience

2024.10 - Present Postdoctoral Scholar, Yau Mathematical Sciences Center (YMSC), Tsinghua University, Beijing, China.

Teaching Assistant：

2025.02 - 2025.06 84760883: String Theory II, Tsinghua University.

Course Instructor: Professor Chi-Ming Chang.

2025.02 - 2025.06 Qiuzhen Yiyou Scholar, Tsinghua University.

Awards

2024 Shuimu Tsinghua Scholar Program

Publications

1. Waveform, memory and classical soft scalar theorems, Sarthak Duary and Pabitra Ray, Nucl. Phys. B 1018 (2025), 117044, [arXiv:2502.05941].

2. Unlocking special relativity with Bondi k-calculus - A fun and easy guide, Sarthak Duary, ICCM, Vol. 12, Issue 2 (2024), pp. 61-75.

3. Flat limit of AdS/CFT from AdS geodesics: scattering amplitudes and antipodal matching of Liénard-Wiechert fields, Sarthak Duary and Shivam Upadhyay, Nucl. Phys. B 1017 (2025), 116927, [arXiv:2411.08540].

4. n-n̄ oscillation in S¹/ℤ₂ × ℤ₂′orbifold SU(5) GUT, Ankit Das, Sarthak Duary and Utpal Sarkar, Nucl. Phys. B 1011 (2025), 116802, [arXiv:2409.09489].

5. Spectral representation in Klein space: simplifying celestial leaf amplitudes, Sarthak Duary and Sourav Maji, JHEP 08 (2024) 079, [arXiv:2406.02342].

6. Flat limit of massless scalar scattering in AdS₂, Sarthak Duary, Nucl. Phys. B 1007 (2024), 116687, [arXiv:2305.20037].

7. AdS correction to the Faddeev-Kulish state: migrating from the flat peninsula, Sarthak Duary, JHEP 05 (2023) 079, [arXiv:2212.09509].

8. Towards an IR finite S-matrix in the flat limit of AdS/CFT, Sarthak Duary, Eliot Hijano and Milan Patra, [arXiv:2211.13711].

9. Celestial amplitude for 2d theory, Sarthak Duary, JHEP 12 (2022) 060, [arXiv:2209.02776].

10. Adding flavor to the Narain ensemble, Shouvik Datta, Sarthak Duary, Per Kraus, Pronobesh Maity and Alexander Maloney, JHEP 05 (2022) 090, [arXiv:2102.12509].