Now showing items 46194-46213 of 61744

    • Quantum signal processing 

      Eldar, Yonina Chana, 1973- (Massachusetts Institute of Technology, 2002)
      Quantum signal processing (QSP) as formulated in this thesis, borrows from the formalism and principles of quantum mechanics and some of its interesting axioms and constraints, leading to a novel paradigm for signal ...
    • Quantum signal processing by single-qubit dynamics 

      Low, Guang Hao (Massachusetts Institute of Technology, 2017)
      Quantum computation is the most powerful realizable model of computation, and is uniquely positioned to solve specialized problems intractable to classical computers. This quantum advantage arises from directly exploiting ...
    • Quantum simulation of many-body dynamics 

      Seetharam, Kushal (Massachusetts Institute of Technology, 2022-09)
      Quantum computers and simulators have the potential to improve our understanding of physics, material science, chemistry, and biology by providing a window into the dynamics of quantum many-body systems that appear in these ...
    • Quantum Simulation of Many-body Systems with Superconducting Qubits 

      Karamlou, Amir H. (Massachusetts Institute of Technology, 2023-06)
      The study of interacting many-body quantum systems is central to the understanding of wide a range of physical phenomena in condensed-matter systems, quantum gravity, and quantum circuits. However, quantum systems are often ...
    • Quantum Simulation of Spin-1 Physics with Bosons in Optical Lattice 

      Chung, Woo Chang (Massachusetts Institute of Technology, 2021-06)
      Mott insulators of ultracold atoms in optical lattices are widely used as an experimental platform for simulating and studying many-body physics. A topic at the frontier of quantum simulation with Mott insulators is the ...
    • Quantum simulations with 8̳8̳Sr+̳ ions on planar lattice traps 

      Lin, Ziliang (Ziliang Carter) (Massachusetts Institute of Technology, 2008)
      Quantum simulations are the use of well controlled many-body quantum systems to simulate and solve other many-body quantum systems that are not understood. This thesis describes theoretical proposals and experimental ...
    • Quantum speedups in query complexity 

      Ben David, Shalev (Massachusetts Institute of Technology, 2017)
      In this thesis, we study randomized and quantum algorithms in the query complexity model. We investigate when and by how much quantum algorithms provide a speedup over the best possible classical algorithm in the query ...
    • Quantum spin transport in paramagnetic systems 

      Greenbaum, Daniel (Massachusetts Institute of Technology, 2005)
      We have studied the transport of magnetization and energy in systems of spins 1/2 on a lattice at high temperature. This work was motivated by recent experiments which observed "spin diffusion" among the dipolar coupled ...
    • Quantum state discrimination with bosonic channels and Gaussian states 

      Tan, Si Hui, Ph. D. Massachusetts Institute of Technology (Massachusetts Institute of Technology, 2010)
      Discriminating between quantum states is an indispensable part of quantum information theory. This thesis investigates state discrimination of continuous quantum variables, focusing on bosonic communication channels and ...
    • Quantum State Discrimination with Overcompleteness 

      Medlock, Catherine Aiko (Massachusetts Institute of Technology, 2021-09)
      The central topics of this thesis are operating characteristics for binary hypothesis testing in classical and quantum settings and overcomplete quantum measurements for quantum binary state discrimination. With this we ...
    • Quantum state reconstruction and tomography using phase-sensitive light detection 

      Mello, Olivia L (Massachusetts Institute of Technology, 2014)
      In this thesis we present an optical and electronic setup that is capable of performing coherent state tomography. We fully characterize it in order to verify whether or not it will be capable to perform non-demolition ...
    • Quantum system identification by local measurements 

      Sone, Akira,Ph. D.Massachusetts Institute of Technology. (Massachusetts Institute of Technology, 2019)
      Quantum information processing, including quantum computation, quantum communication, and quantum metrology, is expected to be the next-generation information technology capable of outperforming classical devices. The ...
    • Quantum Systems Simulator 

      Schneider, Scott (Scott David), 1978- (Massachusetts Institute of Technology, 2000)
    • Quantum theory of a massless relativistic surface and a two-dimensional bound state problem 

      Hoppe, Jens (Massachusetts Institute of Technology, 1982)
    • Quantum theory of optical solitons 

      Lai, Yinchieh (Massachusetts Institute of Technology, 1991)
    • A quantum top in a Casimir-induced quadrupole field 

      Fitzgerald, Eric Andrew Vitus (Massachusetts Institute of Technology, 2011)
      The Casimir energy is the change in energy of a configuration of objects due to second quantization of the electromagnetic field. The Casimir energy of a dielectric object inside a perfectly conducting sphere was recently ...
    • Quantum transport in strongly interacting, ultracold fermi gases in box potentials 

      Patel, Parth (Massachusetts Institute of Technology, 2022-05)
      Transport of strongly interacting fermions is crucial for systems as varied as high-𝑇 subscript 𝑐 superconductors, twisted bi-layer graphene, nuclear fission, and neutron stars. In this thesis, I will describe the ...
    • Quantum Transport in Topological Phases of Matter 

      Papaj, Michal (Massachusetts Institute of Technology, 2021-09)
      Topological phases of matter attract constant attention in the condensed matter physics community, both due to the fundamental yet simple principles that govern them, and a multitude of experimental observations with the ...
    • Quantum well intersubband photodetectors in focal plane arrays 

      Martin, Paul Scott (Massachusetts Institute of Technology, 1996)
    • Quantum wells on indium gallium arsenic compositionally graded buffers realized by molecular beam epitaxy 

      Choy, Henry Kwong Hin, 1974- (Massachusetts Institute of Technology, 2005)
      For a long time, there has been a desire to extend the emission wavelength of GaAs-based quantum well lasers, with the aim of eventually replacing InP with GaAs as the substrate of choice for communication applications. ...