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Implementation of a multi-terminal quantum sorter in solid state systems.

Amanda Teodora Preda1,2,3, Iulia Ghiu1,3,4, Lucian Ion1

  • 1Faculty of Physics, University of Bucharest, 077125, Magurele-Ilfov, Romania.

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This summary is machine-generated.

This study introduces a novel quantum sorter to separate quantum states based on momentum and spin. Numerical simulations using the R-matrix formalism demonstrate the device

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Area of Science:

  • Quantum Information Science
  • Quantum Computing
  • Condensed Matter Physics

Background:

  • Accurate quantum state measurement is crucial for quantum information processing.
  • Systems with more degrees of freedom offer enhanced quantum parallelism.
  • Distinguishing between multiple possible measurement outcomes, like momentum and spin, is challenging.

Purpose of the Study:

  • To design and numerically implement a quantum system capable of sorting quantum states.
  • To achieve mode-lead disentanglement by separating eigenstates into distinct output ports.
  • To explore Hamiltonians for resolving quantum states by transverse momentum and spin.

Main Methods:

  • Numerical implementation of the R-matrix formalism for scattering transport problems.
  • Modeling quantum states based on transverse momentum and spin components.
  • Investigating various scattering potential configurations and their corresponding Hamiltonians.

Main Results:

  • Demonstrated a method for separating quantum states based on both mode and spin.
  • Successfully simulated a quantum sorter device using the R-matrix formalism.
  • Identified suitable Hamiltonians for achieving desired state resolution.

Conclusions:

  • The developed quantum sorter provides a concrete method for disentangling quantum states.
  • This work contributes to the advancement of quantum information processing and qudit implementation.
  • The R-matrix formalism is effective for simulating scattering transport and designing quantum devices.