Interesting Notes and Tutorials

Exploratory notes and an in depth analysis of "Generalized Lorentz Transformations and Boosts" by Dr. M. S. Ramkarthik and Ankan Bhattacharya - Click here for notes

Notes on "Schmidt decomposition and its Interesting Connections with Singular Value Decomposition" by Dr. M. S. Ramkarthik and Divyani Vilas Bhagat - click here for notes

Notes of the talk on the topic "Stirling's Approximation and Numerical Insights" by Aaditya Rudra (B.Tech. final year student, VNIT) - click here for notes 

A list of resources (essential sequential reading list) for beginners in the areas of quantum mechanics, quantum information theory, quantum computing, quantum entanglement and quantum mechanics compiled by Dr. M. S. Ramkarthik - click here for notes 

A talk given by Aaditya (3rd year B.Tech. student, VNIT) on an interesting topic: "Integration by parts using tabular method", notes compiled by him based on his talk - click here for notes

"Basics of Fractional Calculus" notes and discussion for beginners by Elizabeth Louis and Dr. M. S. Ramkarthik - click here for notes

Inserting boxes irrespective of the main margin of a latex document using TIKZ and changepage package (by Elizabeth Louis and Dr. M. S. Ramkarthik) - click here for notes 

Decomposition of a pure quantum state into a Matrix Product State (MPS) using Vidal-Schmidt decomposition, detailed notes and derivations (by Payal Solanki) - click here for notes 

Python based implementation of the infinite and finite size DMRG algorithm with full explanations (notes by Pranay Barkataki, Payal Solanki and Dr. M. S. Ramkarthik) - click here for notes 

Notes on how to make layer drawings in XFIG (by Elizabeth Louis and Dr. M. S. Ramkarthik) - click here for notes

Notes with all mathematical steps and derivations on the Realignment Criterion or the CCNR (Computable Cross Norm) for detecting entanglement (By Elizabeth Louis and Dr. M. S. Ramkarthik) - click here for notes 

Notes on the AKLT Hamiltonian and its construction (By Pranay Barkataki and Dr. M. S. Ramkarthik)  -click here for notes  

Notes on deep learning techniques and quantum many-body theory (By Pranay Barkataki and Dr. M. S. Ramkarthik) -click here for notes 

Notes on quantum error correction and stabilizer codes (By Pranay Barkataki and Dr. M. S. Ramkarthik) -click here for notes 

Plotting graphs in xmgrace and making it your slave! (by Pranay Barkataki and Dr. M. S. Ramkarthik)  -  click here for notes

Introduction to parallel programming using MPI FORTRAN and linking it with SCALAPACK and BLACS (by Pranay Barkataki)  -  click here for notes

Notes on how to use THE LAPACK DSYEV and DSYEVX Subroutines (For diagonalizing real symmetric (Hermitian) square matrices) - click here for notes

Notes on how to use THE LAPACK ZHEEV and ZHEEVX Subroutines (For diagonalizing complex Hermitian square matrices) -click here for notes

Notes on how to use THE LAPACK – DSYTRD (For tridiagonalizing real symmetric (Hermitian) square matrices) and ZHETRD (for tridiagonalizing complex Hermitian square matrices) (By Payal Solanki and Dr. M. S. Ramkarthik) -click here for notes

An autopsy of the second order degenerate time independent perturbation theory (by Pranay Barkataki and Dr. M. S. Ramkarthik) -click here for notes

A tutorial on how to use modules in FORTRAN 90 / 95 with examples (By Pranay Barkataki and Umesh Chandra Joshi) -click here for notes

Lecture notes on quantum theory of angular momentum (by Dr. M. S. Ramkarthik) -click here for notes 

Notes on how to generate animations (dynamic plots) using GNUPLOT (By Elizabeth Louis and Dr. M. S. Ramkarthik) - click here for notes 

Notes on how to write a FORTRAN code without using recursion for generating partitions of a positive integer N and k cuts (partition) (By. Arijit Mandal) -click here for notes

Notes on the “difficult and missing” mathematical steps in deriving the three-qubit entanglement monogamy inequality (By Payal Solanki and Dr. M. S. Ramkarthik) -click here for notes 

Notes on the “Little and lesser known steps in the Wootters concurrence - Physical Review Letters paper” (By Elizabeth Louis and Dr. M. S. Ramkarthik)  -click here for notes 

Tutorials on the Minted Package (A Python based package to highlight the codes in latex and do mathematical commenting inside codes in latex environment) (By Payal Solanki)  -click here for notes 

Website Created, Designed and Maintained by Dr. M. S. Ramkarthik (2025)