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Quantum Algorithms With Applications To Simulating Physical Systems, Anirban Ch Narayan Chowdhury
Quantum Algorithms With Applications To Simulating Physical Systems, Anirban Ch Narayan Chowdhury
Physics & Astronomy ETDs
The simulation of quantum physical systems is expected to be an important application for quantum computers. The work presented in this dissertation aims to improve the resource requirements of quantum computers for solving simulation problems, by providing both novel quantum algorithms and improved implementations of existing ones. I present three main results that cover diverse aspects of simulation including equilibrium physics, the preparation of useful quantum states, and simulations based on classical stochastic processes. The results rely on established quantum algorithms and other recent techniques which I review. My first original contribution is a new quantum algorithm to sample from …