Pritam Sarkar

Pritam Sarkar

Theoretical Physicist
Kolkata, IN.

About

Physics graduate with expertise in quantum systems, field theory, information theory and differential geometry, complemented by robust computational skills in Python, Fortran, and C/C++. Proven ability to conduct independent and advanced theoretical research, evidenced by fundamental contributions to quantum criticality, non-adiabatic response, and field theory formalisms. Seeking to leverage strong analytical and problem-solving capabilities, while thriving in a collaborative research environment to advance fundamental understanding of complex physical reality.

Publications

Metric response of relative entropy: a universal indicator of quantum criticality

Published by

arXiv

Summary

Proposed an intrinsic model-agnostic measure for relative entropy response in many-body quantum systems, demonstrating its universal character through renormalization group theory and conformal field theory, and providing a geometric description of quantum phases.

Work

Indian Association for the Cultivation of Science
|

Master's Researcher (Adiabatic Gauge Potential and Quantum Criticality)

Kolkata, West Bengal, India

Summary

Led advanced theoretical research on quantum criticality, developing novel formalisms for non-adiabatic response and optimal control in many-body quantum systems.

Highlights

Developed novel Adiabatic Gauge Potentials as generators of translation in many-body quantum systems, advancing understanding of parameter space dynamics.

Investigated universal divergent behavior of quantum geometric tensor near critical points, applying condensed matter theory and Riemannian geometry to quantum information analysis.

Formulated a novel framework for non-adiabatic response and optimal control using geometric probes and transitionless drives in generic many-body quantum systems.

Aten Ventures
|

Data Science, NLP & Automation Intern

N/A, N/A, N/A

Summary

Developed and automated data pipelines and research processes using NLP, machine learning, and cloud technologies for corporate outreach and analysis.

Highlights

Developed and co-implemented an automated EngageX pipeline, personalizing Twitter corporate outreach responses for enhanced user engagement.

Automated large-scale database queries leveraging fine-tuned text-to-SQL models and AWS Athena, significantly improving data retrieval efficiency.

Pioneered experimentation with large language models to automate text-based research on complex topics, enhancing research capabilities.

Indian Association for the Cultivation of Science
|

Master's Researcher (First Order Quantum Field Theories)

Kolkata, West Bengal, India

Summary

Conducted theoretical research on first-order quantum field theories, proving equivalences and renormalizing scalar electrodynamics to establish gauge invariance.

Highlights

Demonstrated classical equivalence between second and first order field theories, simplifying theoretical frameworks.

Quantized first-order field theories, identifying simpler vertices for momentum-dependent interactions and proving exact equivalence of on-shell amplitudes across formalisms.

Renormalized first-order scalar electrodynamics using dimensional regularization, successfully identifying equivalent fixed points and deriving the RG Beta Function and Phase Diagram in 4D.

Proved Ward identities within the first-order formalism, ensuring gauge invariance for the UV-Complete theory.

Indian Association for the Cultivation of Science
|

Project Researcher (Information Geometry of Spin Systems)

Kolkata, West Bengal, India

Summary

Characterized phase transitions in a classical Ising model using information geometric principles.

Highlights

Characterized phase transitions in a classical 2D Ising model using information geometric principles.

Indian Association for the Cultivation of Science
|

Undergraduate Researcher (Geometric Phase in Quantum Theory)

Kolkata, West Bengal, India

Summary

Investigated the emergence and origin of geometric phases in quantum theory, focusing on their topological and holonomic aspects.

Highlights

Explored the generic emergence of path-independent geometric phases (Berry, Pancharatnam, Aharonov-Bohm) resulting from non-simply connected parameter space topology.

Investigated the origin of geometric phases as the holonomy of parallel transport on U(1) bundles over quantum system parameter space.

Education

Indian Association for the Cultivation of Science
Kolkata, West Bengal, India

Integrated BS-MS

Physics Major

Grade: CGPA: 7.6

Courses

Advanced Statistical Mechanics

Quantum Field Theory (I + II)

Advanced Quantum Mechanics (I + II)

Intermediate Statistical Mechanics

Statistical Field Theory

Condensed Matter Theory

Operator Theory

Data Structures and Algorithm

Differential Geometry

Advanced Machine Learning

Physics of Black Holes and Gravitational Waves

Indian Association for the Cultivation of Science
Kolkata, West Bengal, India

Course

Differential Geometry

Grade: Perfect Score

Courses

Rigorous foundations in smooth manifolds, Riemannian geometry, and tangent bundles with focus on the categorical foundation of differential geometry

Differential forms, exterior derivatives, homotopy theory, exact sequences, de Rham cohomology, Chern-Simons forms, characteristic classes, and their role in diffeomorphism invariances

Advanced treatment of Lie groups, Lie algebras and Lie-algebra valued differential forms in topological invariances.

Indian Association for the Cultivation of Science
Kolkata, West Bengal, India

Course

Advanced Statistical Mechanics

Grade: Perfect Score

Courses

Non-equilibrium physics, transport processes and stochastic processes using Langevin and Fokker-Planck equations

Landau-Ginzburg theory, renormalization group and universal scaling laws

Jadavpur Vidyapith, Kolkata
Kolkata, West Bengal, India

Higher Secondary

Science

Grade: Percentage: 84.4

Jadavpur Vidyapith, Kolkata
Kolkata, West Bengal, India

Secondary

General

Grade: Percentage: 96

Projects

Tensor Network Ground State Calculations (Non-Integrable Ising Chain)

Summary

Conducted ground state calculations for a non-integrable Ising chain using advanced Tensor Network methods.

Contribution in Scientific Computation Software (elphbolt)

Summary

Contributed to the elphbolt scientific computation software developed at HU Berlin, focusing on enhancing features and resolving issues.

NASA-Artemis Student Challenge Program (Lunar Information Monitoring)

Summary

Mentored a team of undergraduates in a long-term workshop-based project focused on programmable satellites for monitoring lunar information as part of the Great Lunar Expedition for Everyone (GLEE).

Spin System Evolution (Monte-Carlo Algorithm)

Summary

Explored spin system evolution using Monte-Carlo algorithms and random-sampling methods for numerical studies.

Certificates

Internship on Data Science, NLP and Automation

Issued By

Aten Ventures

Volunteer

Cogito (Academic Student-Body)
|

Co-Founder

Kolkata, West Bengal, India

Summary

Co-founded and led an academic student-body, fostering interdisciplinary discussions and documenting insights in a journal.

Highlights

Co-founded Cogito, an academic student-body, establishing regular discussion sessions on cognitive science, philosophy, and fundamental science, fostering interdisciplinary perspectives.

Literature and Philosophy Society at IACS
|

Co-Founder

Kolkata, West Bengal, India

Summary

Co-founded and organized discussion sessions for a literature and philosophy society, promoting critical thinking on societal issues.

Highlights

Co-founded Détournement, a Literature and Philosophy Society, organizing diverse discussion sessions to promote critical thinking on literary, philosophical, and societal issues.

Progressive Student Federation of India
|

Member

Kolkata, West Bengal, India

Summary

Contributed to a student federation, fostering communication and advancing societal causes through publications and campaigns.

Highlights

Established robust communication channels to bridge diverse sociocultural perspectives among students through public awareness campaigns.

Co-founded and regularly contributed to the magazine 'Renegade,' dedicated to advancing societal causes.

Awards

Best Poster Award

Awarded By

Condensed Matter, Materials Science and Statistical Physics Conference 2024

Awarded for outstanding poster presentation on 'Susceptibility of Entanglement Entropy: a universal indicator of quantum criticality'.

Personal Commendation for 'absolutely outstanding' performance

Awarded By

Prof. Jayanta K. Bhattacharjee (Course Instructor)

Received commendation for 'absolutely outstanding' performance in the final exam of the Advanced Statistical Mechanics Course.

1st Runner Up, Kolkata District Student Youth Science Fair

Awarded By

Kolkata District Student Youth Science Fair

Awarded for developing an IoT-based, affordable, and compact automation project for household electric appliances.

Winner of SafeThon in Digital Safety Carnival

Awarded By

UNICEF and Learning Links Foundation

Recognized for innovative solutions developed for digital safety and secure virtual existence.

Skills

Programming Languages

C/C++, Modern Fortran, Python, Julia, Java, Arduino.

Scientific Computing & Libraries

QuSpin, PyTorch, CUDA, TenPy, Mathematica, Git, DMRG, Matrix Product States, Monte-Carlo Simulations, Tensor Networks.

Theoretical Physics & Quantum Mechanics

Quantum Field Theory, Statistical Mechanics, Differential Geometry, Condensed Matter Theory, Operator Theory, Quantum Mechanics, Black Holes & Gravitational Waves, Renormalization Group Theory, Quantum Criticality, Geometric Phases, Information Geometry, Topology in Quantum Physics, Phase Transitions, Scaling Laws, Universality, Non-equilibrium Physics, Langevin and Fokker-Planck Equations, Landau-Ginzburg Theory, Chern-Simons Forms, Lie Groups, Lie Algebras.

Data Science & Machine Learning

Data Structures and Algorithms, Advanced Machine Learning, Natural Language Processing (NLP), Text-to-SQL Models, AWS Athena, Large Language Models (LLMs), Data Analysis.

Research & Analytical Skills

Scientific Research, Mathematical Modeling, Problem Solving, Critical Thinking, Academic Writing, Data Interpretation, Experimental Design.

Interests

Music

Piano, Composing, Improvising.

Sports

Badminton, Chess, Football, Sportsmanship.

Languages

English