Welcome to the Theoretical and Fundamental Physics  Group @ VNIT Nagpur

• Currently I have one or two vacancies for PhD students in my group for the December 2025 admission - interested students can email me.  (NEW)

• New Paper Published: April 2025 - "Entanglement signatures of the small-world transition in Heisenberg-type models across network topologies" by Payal Solanki, M. S. Ramkarthik, Europhysics Letters (EPL), 150 (2), 28002 (2025). 

• 24 March 2025 - Congratulations to Payal Solanki for succesfully defending her Ph.D Thesis. All the best Dr. Payal Solanki.

• Congratulations to Dr. Payal Solanki for securing a job as a core quantum engineer at Deloitte, Hyderabad. All the best. 

• 28 February 2025 -  Two new final year M.Sc. project students - Durgesh Thail Vasant and Om Sanjay Shah have joined our group, Welcome!

• 27 December 2024 - Divyani Bhagat joined our group as a new Ph.D scholar, Welcome!

• October 2024 - Paperback edition of both my books have been published by CRC Press - Taylor and Francis due to public demand - you can see them at: 

1. https://www.routledge.com/An-Object-Oriented-Python-Cookbook-in-Quantum-Information-Theory-and-Quantum-Computing/Ramkarthik-Barkataki/p/book/9781032258898 

2. https://www.routledge.com/Numerical-Recipes-in-Quantum-Information-Theory-and-Quantum-Computing-An-Adventure-in-FORTRAN-90/Ramkarthik-Solanki/p/book/9780367759315 

• Aaditya Rudra, A B.Tech. Electrical and Electronics Engineering student from VNIT (graduated in 2024) and ex member of our group (internship student in quantum computing), has joined as a research associate at the University of Innsbruck, Vienna and working in cavity quantum mechanics. Congrats !

• Tamaghna Chaudhuri, A B.Tech. Metallurgy student from VNIT (graduated in 2024) and ex member of our group (internship student in mathematical physics), has joined IIT Roorkee as a research assistant. Congrats !

• Atul, a B.Tech. third year Electrical and Electronics Engineering student at VNIT Nagpur has joined our group as an internship student, he will be working with me on neural networks, brain cognition and spin glasses, welcome you here!

• M.Sc. final year students Ankan Bhattacharya and Kaushal Joshi have joined our group in August 2024 for their final year M.Sc. project - Welcome !

• Congrats to Omkar Janardhan Vahile, MSc student of our group, he has written an excellent 374 page MSc thesis on "Quantum Random Walks and Qudit Entanglement" for his final year project !

• Ph.D. student of our group - Payal Solanki has submitted her Ph.D. thesis - congratulations to her!

• 12 December 2023 - New paper published in Resonance, Indian Academy of Sciences, Springer - "Qudits and Generalized Bell States for Pedestrians: A Dive Into the World of Qudits and Quantum Teleportation: M S Ramkarthik, Elizabeth Louis Pereira" - for  reaading the paper see this link:  https://www.ias.ac.in/describe/article/reso/028/12/1845-1863

• 28 November 2023 - Ex member of our group, Bhagyalakshmi has joined as a Scientist at BARC Mumbai. Congratulations to her for a great career ahead!

• 5 October 2023 - Payal Solanki, PhD student of our group gave her thesis presubmission seminar - Congrats!

• 1 September 2023 - New paper published in Physics Letters A - click here

• X Section BTech First Year Physics Course (August 2023 - December 2023 semester) - Click here

• Omkar Vahile and Ankita Bera have joined the group in August 2023 for pursuing their final year M.Sc. projects. Welcome to the group! 

• New Publication - Paper published in Physica Scripta, IOP Science (23 February 2023), title:  "A new general approach for obtaining matrix product operators for spin Hamiltonians with periodic boundary conditions" Authors: Payal D Solanki and M. S. Ramkarthik.

• LATEST NEWS (22 February 2023) - FIVE STAR GLOBAL rating and reviews in amazon for my book: "Numerical Recipes in Quantum Information Theory and Quantum Computing: An Adventure in Fortran 90" (CRC Press, UK) 

• New Publication - Paper Published in Resonance (8 December 2022), Indian academy of sciences, title: "Airy Functions Demystified-III" Authors: M. S. Ramkarthik and Elizabeth Louis Pereira, Final part of our series of expositions on the Airy functions.

• LATEST NEWS (30 September 2022) - My new book (second book written by me) is published today by Routledge Books (hardback and ebook), Taylor and Francis UK - It is on OBJECT ORIENTED PYTHON PROGRAMMING IN QUANTUM INFORMATION THEORY AND QUANTUM COMPUTING. For more information you can have a look at the link below: https://www.routledge.com/An-Object-Oriented-Python-Cookbook-in-Quantum-Information-Theory-and-Quantum/Ramkarthik Barkataki/p/book/9781032256078   

• New Publication - Paper Published in The European Physical Journal B titled "On Certain Classes of Exact Solutions of Two Magnon States in the Heisenberg Spin Chain" Authors: M. S. Ramkarthik and Arijit Mandal (9 March 2022)

• Indira Barros (Ex MSc student - 2021) joins BITS Goa for her PhD in the area of Biological Soft Matter Physics (January 2022)

• Arijit Mandal (Ex MSc student - 2021)  joins IIT Madras for his PhD in the area of Atomic Physics (December 2021)

• Pranay Barkataki (PhD graduate from the group - 2021) Joins SONY R&D labs as a research trainee.

• New Book Chapter Published "Special Topics in Quantum Mechanics" - December 2021 - in the prestigious book "Quantum Mechanics" by Zettili (Wiley)

• New book published - September 2021 - "Numerical Recipes in Quantum Information Theory and Quantum Computing: An Adventure in Fortran 90"  (CRC Press - Taylor and Francis UK)

My research group consists of students from diverse backgrounds like Ph.D, M.Sc. and B.Tech. working together in the areas of quantum mechanics, quantum information theory, quantum computing, mathematical physics, numerical linear algebra and other aspects of fundamental physics. Recently we have built an in house GPU-CUDA tabletop super cluster facility (for more information - click here) which all the students of my group use in their computing. We are one of the few research groups in India who use "in house" GPU computing for doing large scale numerical problems in quantum mechanics and quantum information theory, and we are probably the first group in central India to do so. 

MY BROAD AREAS OF RESEARCH INCLUDE: QUANTUM MECHANICS, QUANTUM INFORMATION THEORY, QUANTUM COMPUTING and QUANTUM ENTANGLEMENT, FOUNDATIONS OF QUANTUM MECHANICS, MANY-BODY CONDENSED MATTER PHYSICS, MATHEMATICAL PHYSICS and PURE MATHEMATICS, BLACK HOLES and QUANTUM INFORMATION, FUNDAMENTAL PHYSICS, ANCIENT INDIAN MATHEMATICS AND ASTRONOMY.

I LIKE DOING THEORETICAL PHYSICS IN MY OWN WAY and ENJOY ITS BEAUTY… I BELIEVE THAT ONE SHOULD DO DIVERSE PROBLEMS FROM DIFFERENT AREAS and SEE THE BEAUTIFUL INTERCONNECTIONS BETWEEN THEM… RATHER THAN STICKING TO ONE AREA !!! THIS HAS ALWAYS BEEN MY GUIDING PRINCIPLE. I BELIEVE THAT PHYSICS IS FAR MORE AESTHETIC AND BEAUTIFUL THAN WHAT CAN BE QUANTIFIED BY FORMULAS and METRICS LIKE IMPACT PARAMETER, CITATION INDEX AND ALL SUCH STUFF. RESEARCH SHOULD BE PURELY DRIVEN BY SCIENTIFIC CURIOSITY (These are opinions based on my own realizations !!)