K. Sreeman Reddy

Projects

You can also see this list on my CV.

List of projects and reports
Quantum covariant bit threads (Oct 2023-Present)

Advisor: Prof. Matthew Headrick, Dept. of Physics, Brandeis University

  • Studied several papers about the bit thread formulation of holographic entanglement entropy, especially ”Quantum bit threads” (2105.08072) and ”Covariant bit threads” (2208.10507)
  • Proposed a definition for ”Quantum covariant bit threads” that unifies the quantum static version 2105.08072 with the classical covariant version 2208.10507 and showed that it has the expected properties.
  • Proved that this definition is equivalent to the Quantum Extremal Surface (QES) prescription.
Sparse Double-Scaled SYK (Oct 2023-Feb 2024)

Advisor: Prof. Brian Swingle, Dept. of Physics, Brandeis University

  • Studied the chord diagram technique that can be used to solve Double Scaled SYK at all energy scales and $\lambda$.
  • Studied the sparse version of SYK.
  • Worked on sparsifying the Double Scaled SYK and developing hyperchord diagram technique for calculating next-order corrections to sparse DSSYK, and also working on sparsifying ${\mathcal N} = 1$ and ${\mathcal N} = 2$ supersymmetric DSSYK.
Holographic description of M-theory (Nov-Dec 2023)

Advisor: Prof. Daniel Jafferis, Dept. of Physics, Harvard University

  • Studied the duality between $AdS_{4}\times S^{7}/\mathbb{Z}_{k}$ M-theory and the $\mathcal N = 6$ $U(N)_k \times U(N)_{-k}$ super Chern–Simons theory (ABJM CFT).
  • Gave a presentation focusing on the M2-brane construction and obtaining the gravity dual.

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Quantum Raychaudhuri Equation and its applications to cosmology (May-July 2022)

Advisor: Prof. Saurya Das, Dept. of Physics and Astronomy, University of Lethbridge, Canada

  • Studied a semi-classical gravity theory obtained by replacing classical geodesics in the Raychaudhuri equation with Bohmian trajectories.
  • Studied a cosmological model within this theory where both dark matter and dark energy are unified into a dark Bose-Einstein condensate.
  • Implemented a special case of this theory in CLASS and estimated the cosmological parameters by doing Monte Carlo sampling in Cobaya using Planck 2018 data.
Black hole information paradox (June-November 2021)

Advisor: Prof. Vikram Rentala, Dept. of Physics, IIT Bombay

  • Studied quantum scalar field theory in curved spacetime and how it compares with QFT in flat spacetime.
  • Reviewed the four laws of black hole mechanics and their similarity with thermodynamics and Penrose process in a Kerr black hole.
  • Studied Unruh effect which explains that the vacuum state of a Minkowski observer will be a thermal state as observed by a Rindler observer and how entanglement between the left and right Rindler wedges prevents a firewall at the Rindler horizon.
  • Studied Hawking radiation and the conditions under which a black hole can be in stable or unstable equilibrium.
  • Assuming that the evaporation is unitary, studied the characteristics of Page curve using the Page theorem.
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Category theory applications in physics (October-November 2020)

Advisor: Prof. Vikram Rentala, Dept. of Physics, IIT Bombay

  • Studied basic concepts of category theory like Functors, Natural transformations, Monoidal categories.
  • Studied axiomatization of physical systems using strict monoidal categories.
  • Investigated FdHilb category and studied no-cloning, no-deleting theorems in categorical quantum mechanics.
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