Raghav G. Jha
Research Scholar at NC State University
Address: 421 Riddick Hall, Campus Box 8202, Raleigh, NC 27695-8202
Phone: 757-940-9624
E-mail: raghav.govind.jha@gmail.com
Personal webpage: https://rgjha.github.io
Employment
- September 2025—present:
Postdoc, NC State University
- September 2022 - September 2025
Postdoc, Jefferson National Lab (JLab)
- September 2019 - August 2022
Postdoc, Perimeter Institute for Theoretical Physics
Research interests
Lattice field theory, Quantum computation and information,
Tensor networks, Quantum chaos, and Random matrix theory.
Education
- Syracuse University
PhD Physics, May 2019
Advisor: Simon Catterall
Thesis: Holography, large N, and supersymmetry on the lattice
- Bose Institute and St. Xavier's College, Kolkata, India
M.Sc. Physics (2011—2013)
- Sorbonne Universite, Paris, France
M.S Nanoscience (2010—2011)
- St.Stephen's College, Delhi, India
B.Sc. (Honors) (2007—2010)
Honors and awards
- Henry Levinstein Fellowship for Outstanding Senior Graduate Student - Department of Physics, Syracuse University [USD 2000] 2017
- College of Arts and Sciences Fellowship for best performance in introductory Graduate Courses - Syracuse University [USD 1700] 2014
- CSIR/UGC-NET - Junior Research Fellowship (JRF) by Government of India 2013
- Erasmus Mundus Scholarship for pursuing M.S at UPMC, University of Paris VI [EUR 12000] 2010
- National Top 25 Students (out of 5153 students) in National Graduate Physics Examination (NGPE) conducted by Indian Association of Physics Teachers (IAPT) 2009
- KVPY (Kishore Vaigyanik Protsahan Yojana) Scholarship by Department of Science & Technology, Government of India [about USD 3500 in two years] 2008
- Merit certificate by University of Delhi (11th in the university out of about 1200 students) 2008
- NIUS (National Initiative on Undergraduate Sciences) Fellowship by Tata Institute of Fundamental Research (TIFR), Mumbai 2008
Professional activities and Computing grants
- Referee for Nature npj Quantum Information (since 2024),
Physical Review Letters, Phys. Rev. A, Phys. Rev. D, and Phys. Rev. Res.
(since 2020), European Physical Journal (EPJ) (since 2022),
IOP Machine Learning: Science & Technology (since 2021).
Total papers reviewed: 11
- Chair of parallel session on 'Quantum Computation and Information' in the 40th Annual Lattice conference at Fermilab, USA [1 August 2023]
- Co-organizer of 'Quantum Computing Bootcamp' at Jefferson Lab, USA from June 20-30, 2023 funded by Quantum Horizons, Department of Energy (DOE).
- Quantum Fields and Strings Seminar Organizer at Perimeter Institute [January 2020 - March 2021]
- Awarded DiRAC computing grant in 2022 for approx. 24M core-hours with D. Schaich, T. Wiseman, A. Joseph
- Awarded USQCD computing grants of approx. 12M core-hours on Fermilab pi0 machine each year in 2017 & 2018 with S. Catterall, D. Schaich, and J. Giedt
Mentoring Experience
- Nikhil Kalyanapuram (Perimeter Scholar International (PSI) student at Perimeter Institute → PhD Penn State → Industry) 2019-2020
- Navdeep S. Dhindsa (PhD IISER Mohali → Postdoc at IMSc, Chennai) 2020-2023
- Vamika Longia (PhD student at IISER Mohali) 2021-2022
- Abhishek Samlodia (IISER Mohali → PhD candidate at Syracuse University) 2021-
- Nikhil Bansal (BS-MS IISER Mohali) 2022-2023
- Shane Thompson (PhD University of Tennessee Knoxville → Postdoc at U.S. Naval Research Lab, Washington DC) 2023- 2024
- Bharath Sambasivam (PhD Syracuse University → Postdoc at Virginia Tech, USA)
- Ranadeep Roy (PhD student at The Ohio State University)
- Victor Ale (PhD student at University of Tennessee Knoxville)
- Nora Bauer (PhD student at University of Tennessee Knoxville)
Publications
- On Ising model in magnetic field on the lattice (arXiv)
- Finite-temperature phase diagram of the Berenstein-Maldacena-Nastase matrix model on the lattice ( Phys.Rev.D )
- Real-Time Scattering in Ising Field Theory using Matrix Product States ( Phys.Rev.Research )
- Quantum computation of SU(2) lattice gauge theory with continuous variables ( JHEP )
- Sparsity dependence of Krylov state complexity in the SYK model (arXiv)
- Thermal state preparation of the SYK model using a variational quantum algorithm (arXiv)
- SU(2) principal chiral model with tensor renormalization group on a cubic lattice ( Phys.Rev.D )
- Phase diagram of generalized XY model using tensor renormalization group
( Phys.Rev.D )
- Hamiltonian simulation of minimal holographic sparsified SYK model ( Nucl.Phys.B )
- Tensor renormalization group study of 3D principal chiral model ( POS )
- Nonperturbative phase diagram of two-dimensional $\mathcal{N} = (2,2)$ super-Yang-Mills theory ( Phys.Rev.D )
- Sachdev-Ye-Kitaev model on a noisy quantum computer ( Phys.Rev.D )
- Continuous variable quantum computation of the O(3) model in 1+1 dimensions ( Phys.Rev.A )
- Quantum computations of the O(3) model using qumodes (arXiv)
( POS )
- GPU-Acceleration of Tensor Renormalization with PyTorch using CUDA (arXiv) ( Computer Phys. Comm. )
- Notes on Quantum Computation and Information (arXiv)
- Supersymmetric Wilson loops on the lattice in the large $N$ limit (EPJST)
- Non-perturbative phase structure of the bosonic BMN matrix model (arXiv) ( JHEP )
- Thermal phase structure of dimensionally reduced super-Yang--Mills (arXiv) (POS)
- Tensor renormalization of three-dimensional Potts model (arXiv)
- Introduction to Monte Carlo for Matrix Models (arXiv)
(SciPost Lecture Notes)
- Large-$N$ limit of two-dimensional Yang--Mills theory with four supercharges (arXiv)
(POS)
- Tensor renormalization group study of the 3d O(2) model (arXiv)
(Phys. Rev. D)
- Three-dimensional super-Yang-Mills theory on the lattice and dual black branes (arXiv)
(Phys. Rev. D)
- Positive geometries for all scalar theories from twisted intersection theory (arXiv)
(Phys. Rev. Research)
- Critical analysis of two-dimensional classical XY model using tensor renormalization group (arXiv)
(JSTAT)
- Thermal phase structure of a supersymmetric matrix model (arXiv)
( POS )
- Finite $N$ unitary matrix models (arXiv)
- Tensor renormalization group study of the non-Abelian Higgs model in two dimensions (arXiv) (Phys. Rev. D)
- Lattice quantum gravity with scalar fields (arXiv)
(POS)
- The properties of D1-branes from lattice super-Yang-Mills theory using gauge/gravity duality (arXiv) (POS)
- On the removal of the trace mode in lattice $\mathcal{N} = 4$ super Yang-Mills theory (arXiv) (Phys. Rev. D)
- Nonperturbative study of dynamical SUSY breaking in $\mathcal{N} = (2,2)$ Yang-Mills theory (arXiv) (Phys. Rev. D)
- Truncation of lattice $\mathcal{N} = 4$ super Yang-Mills ( EPJC )
- Testing the holographic principle using lattice simulations (arXiv)
( EPJC )
- Testing holography using the lattice with super-Yang-Mills theory on a 2-torus (arXiv) (Phys. Rev. D)
Invited Talks/Lectures
- Thermal state preparation and dynamics of random all-to-all fermionic model (17 July, 2024) - Massachusetts Institute of Technology (MIT), C2QA meeting, Boston, USA
- SYK model on a noisy quantum computer - dynamics and state preparation (May 07, 2024) - University
of Witwatersrand, South Africa (Online)
- Introduction to tensor networks (29-30 April, 2 May 2024) - University of Pretoria, South Africa
- Quantum computing for quantum many-body systems (17 April, 2024) - William & Mary, VA, USA
- Approaches to universal quantum computing for spin and gauge models (16 April, 2024) - University of Iowa
- Random dense Hamiltonians on current noisy quantum computers (28 March, 2024) - University of Maryland
- Extracting some Physics with IBM's 127-qubit quantum processor (13 March, 2024) - Jefferson Lab
- Real-time dynamics of SYK model on a noisy quantum computer (05 March, 2024) - Workshop on 'Toward quantum simulation of gauge/gravity duality and
lattice gauge theory', Queen Mary University of London (Online)
(PDF)
- SYK model on a noisy quantum computer (06 February, 2024) - Indian Institute of Science (IISc), Bangalore, India
(PDF)
- Quantum Computation of the O(3) model using qumodes (02 August, 2023) - Lattice 2023, Fermilab, USA
- Computation with Quantum Mechanics (June 20, 2023) - Set of two lectures at Quantum Computation Bootcamp, Jefferson Lab, USA
- Can quantum computation improve our understanding of quantum fields? (June 7, 2023) - Set of two lectures at HUGS 2023 Summer School, Jefferson Lab, USA
- Non-linear sigma models using quantum computation (May 30, 2023) at C2QA Meeting, New York City, USA
- Introduction to Quantum Computing methods in Physics (April 27, 2023) at Tata Institute, Mumbai, India
(Online)
(PDF)
- Aspects of Classical and Quantum Computing of Quantum Many-Body Systems (February 10, 2023) at Ashoka University (Online)
(PDF)
- Classical computation using tensor networks and quantum computation with qubits and qumodes (November 14, 2022) at Jefferson Lab, USA
- Application of tensor methods to real-space renormalization and real-time study of field theories (October 31, 2022) at Brookhaven National Lab, USA (Online)
- New tools for old problems in spin and gauge models on the lattice (October 12, 2022) at IIT Hyderabad, India (Online)
- Some old problems on the lattice using tensors (August 26, 2022) at NUMSTRINGS 2022 conference at ICTS, India
- Introduction to Quantum Computation using QISKIT (June 21 and 22, 2022) at Rensselaer Polytechnic Institute, Troy, USA (Online)
- New approach to continuous spin models in two and three dimensions (May 17, 2022) at APTCP, Pohang, South Korea (Online)
- Holography with large matrices on the lattice (March 24, 2022) at UNAM, Mexico City, Mexico
- Large N matrix models using Monte Carlo and Bootstrap (February 22, 2022) at University of Surrey, UK (Online)
- Introduction to tensor networks and spin systems (January 11, 2022) at Azim Premji University, Bengaluru, India (Online)
- Tensor networks and spin models (December 7, 2021) - at Indian Institute of Science Education and Research (IISER), Mohali, India (Online) (PDF)
- Real-space tensor renormalization for spin models in three dimensions - November 19, 2021 at Perimeter Institute
-
Solving matrix models at large and finite N (June 28 and 29, 2021) - Two lectures for Summer School 2021 at Rensselaer Polytechnic Institute, USA (Online due to COVID-19 pandemic)
(PDF)
- Holographic gauge theories on the lattice - June 23, 2021 at Dublin Institute for Advanced Studies, Dublin, Ireland (Online via Zoom due to COVID-19 pandemic) (PDF)
- Old and new methods for new and old problems in Physics - March 8, 2021 at Indian Institute of Technology (IIT) Madras (Online via Zoom due to COVID-19 pandemic) (PDF)
- Probing holographic dualities with lattice supersymmetric Yang-Mills theories - February 25, 2021 at Massachusetts Institute of Technology (Online via Zoom due to COVID-19 pandemic) (PDF) (YouTube)
- New tool for old problems - Tensor network approach to spin models and gauge theories - October 14, 2020 at University of Liverpool, UK (Online via Zoom due to COVID-19 pandemic) (PDF)
- Tensor Networks: Algorithm & Applications - June 10 and 11, 2020 - Two lectures [1.5 hours each] for CyberTraining Summer School 2020 at Rensselaer Polytechnic Institute, USA (Online due to COVID-19 pandemic) (PDF)
- Holographic aspects of supersymmetric gauge theories - October 4, 2019 - Perimeter Institute
- Numerical Approaches to Holography - August 28, 2019 - Seminar at Ashoka University, Sonipat, India (PDF)
- Numerical Approaches to Holography - August 08, 2019 - Seminar at Indian Institute of Science Education and Research (IISER), Mohali, India
- Holography, large N, and supersymmetry on the lattice - April 02, 2019 - Ph.D. Defense talk (PDF)
- Fundamentals of Quantum Entropy - March 29, 2019
- Holographic dualities and tensor renormalization group study of gauge theories - March 11, 2019 - Interdisciplinary Quantum Fields and Strings + Tensor Networks Initiative invited talk at Perimeter Institute (PDF) (PIRSA)
- Matrix Models - December 7, 2018 - Theory HEP Group talk at Syracuse University
- Lattice gravity and scalar fields - July 23, 2018 at Annual Lattice Conference 2018, Michigan, USA (PDF)
- Supersymmetry breaking and gauge/gravity duality on the lattice - April 06, 2018 - Lattice beyond Standard Model 2018 at UC Boulder, Colorado (PDF)
- Large $N$ gauge theories - March 09, 2018 - Theory HEP Group talk at Syracuse University
- Recent results from lattice supersymmetry in d < 4 dimensions - January 31, 2018 - NUMSTRINGS I conference at ICTS, Bangalore
(PDF) (YouTube)
- Testing gauge/gravity duality using lattice simulations - July 22, 2017 at Annual Lattice Conference 2017 , Granada, Spain (PDF)
- Testing holography through lattice simulations - April 04, 2017 at Quantum Gravity, String theory, and Holography conference at Yukawa Institute for Theoretical Physics, Kyoto, Japan (PDF)
- Maximally supersymmetric Yang-Mills and dual gravitational theories - October 07, 2016 - Theory HEP Group talk at Syracuse University
- Supersymmetry on the lattice - April 17, 2016 at the APS 2016 Meeting, Salt Lake City, Utah, USA (PDF)
- Lattice studies of $\mathcal{N} = (8,8)$ SYM - April 08, 2016 - Theory HEP Group talk at Syracuse University
Academic References (alphabetical order)
- Simon Catterall, Syracuse University, USA
- Robert Edwards, Jefferson Lab, USA
- John Preskill, California Institute of Technology, USA
- David Schaich, University of Liverpool, UK
- George Siopsis, University of Tennessee Knoxville, USA
- Pedro Vieira, Perimeter Institute, Canada
- Toby Wiseman, Imperial College, London, UK