CoSpell CheckSpell Checkherent Charge Qubits Based on GaAs Quantum Dots With a Built-In Barrier

Abstract

We investigated using as basic elements of the quantum computer quantum bits (qubits) semiconductor quantum dots containing one electron and consisting each of two tunnel- connected parts. as shown in Fig. I . The numerical solution of a Schrodinger equation with the account of Coulomb field of adjacent electrons shows, that in such structures the realization of a full set of basic logic operations which are necessary for fulfillment Of quantum computations is possible. Decoherence rates due to spontaneous emission of phonons and acoustic phonons (both piezoelectric and deformational) are evaluated. Durations of one- and two-qubit operations versus qubit geometry are obtained.

Open PDF

Document Details

Document Type
Technical Report
Publication Date
Jun 23, 2000
Accession Number
ADP013142

Entities

People

  • K. A. Valiev
  • L. Fedichkin
  • M. Yanchenko

Organizations

  • Russian Academy of Sciences

Tags

Communities of Interest

  • Energy and Power Technologies
  • Materials and Manufacturing Processes

DTIC Thesaurus Topics

  • Barriers
  • Computers
  • Crystal Lattice Vibrations
  • Electrons
  • High Temperature
  • Low Temperature
  • Phonons
  • Quantum Algorithms
  • Quantum Bits
  • Quantum Computers
  • Quantum Computing
  • Quantum Dots
  • Quantum Information
  • Quantum Information Science
  • Radiation
  • Semiconductors
  • Two Dimensional

Fields of Study

  • Physics

Readers

  • Calculus or Mathematical Analysis
  • Quantum Dot Semiconductor Device Photonics and Graphene Optoelectronic Materials and THz Physics.

Technology Areas

  • Microelectronics
  • Quantum Computing
  • Quantum Science - Quantum Dots