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  1. International Journal of Theoretical Physics
  2. International Journal of Theoretical Physics : Volume 50
  3. International Journal of Theoretical Physics : Volume 50, Issue 11, November 2011
  4. The Decoherence of Single Electron Quantum Dot Qubit
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International Journal of Theoretical Physics : Volume 56
International Journal of Theoretical Physics : Volume 55
International Journal of Theoretical Physics : Volume 54
International Journal of Theoretical Physics : Volume 53
International Journal of Theoretical Physics : Volume 52
International Journal of Theoretical Physics : Volume 51
International Journal of Theoretical Physics : Volume 50
International Journal of Theoretical Physics : Volume 50, Issue 12, December 2011
International Journal of Theoretical Physics : Volume 50, Issue 11, November 2011
Bianchi Type VI$_{0}$ Cosmological Models with Perfect Fluid and Dark Energy
Entanglement and Decoherence of Coupled Superconductor Qubits in Contact with a Common Environment
The Decoherence of Single Electron Quantum Dot Qubit
Efficient Symmetric Five-Party Quantum State Sharing of an Arbitrary m-Qubit State
Charged Analogues of Henning Knutsen Type Solutions in General Relativity
A New Kind of Bipartite Entangled State and Some of Its Applications
Perturbation Theory for Proton-Neutron Scattering: Perturbing the Energy
Tilted LRS Bianchi Type-I Mesonic Stiff Fluid Cosmological Model
Storage of Maximal Wigner-Yanase Skew Information of Two-Qubit System Using Nonlinear Interactions with Decay
Anomalies, Hawking Radiation in Taub-NUT Black Hole
An Algebraic Approach to the Kemmer Equation for Dirac Oscillator
Quantum Symmetry for a System with a Singular Lagrangian Containing Subsidiary Condition
Generalized Second Law of Thermodynamics in Emergent Universe
Scalar Field in Cosmology: Potential for Isotropization and Inflation
Dirac Quantization of Noncommutative Abelian Proca field
Implementing a Nonlocal Toffoli Gate Using Partially Entangled Qubit Pairs
Wave-Particle Duality in Nonlinear Klein-Gordon Equation
Reflectionless Potentials via Complex Potentials
The Z=Z(t/z)-Type Plane Wave Solutions of the Field Equations of General Relativity in a Plane Symmetric Space-Time
Quantum Fisher Information of Superposition of Many-Body GHZ-Class State and W State
Hamiltonian Two-Body System in Special Relativity
Cardy-Verlinde Formula and Thermodynamics of Dilaton-axion Black Hole
Correction to Entropy of Schwarzschild Black Hole by Modified Dispersion Relation
Black Hole Entropy: From Shannon to Bekenstein
A Non-Singular Universe with Vacuum Energy
An Interacting and Non-interacting Two-Fluid Dark Energy Models in FRW Universe with Time Dependent Deceleration Parameter
The Klein-Gordon Equation in Machian Model
Nonhomogeneous Cooling, Entropic Gravity and MOND Theory
A Kind of New Three-Mode Coherent-Entangled State and Its Application
Event Based Interpretation of Schrödinger’s Equation for the Two-slit Experiment
Stern-Gerlach Experiment’s Interpretations and Noether’s Theorem
Virial Theorem for Angular Displacement and Torque
From the Torsion Tensor for Spinors to the Weak Forces for Leptons
Unified Field Theoretical Models from Generalized Affine Geometries III
International Journal of Theoretical Physics : Volume 50, Issue 10, October 2011
International Journal of Theoretical Physics : Volume 50, Issue 9, September 2011
International Journal of Theoretical Physics : Volume 50, Issue 8, August 2011
International Journal of Theoretical Physics : Volume 50, Issue 7, July 2011
International Journal of Theoretical Physics : Volume 50, Issue 6, June 2011
International Journal of Theoretical Physics : Volume 50, Issue 5, May 2011
International Journal of Theoretical Physics : Volume 50, Issue 4, April 2011
International Journal of Theoretical Physics : Volume 50, Issue 3, March 2011
International Journal of Theoretical Physics : Volume 50, Issue 2, February 2011
International Journal of Theoretical Physics : Volume 50, Issue 1, January 2011
International Journal of Theoretical Physics : Volume 49
International Journal of Theoretical Physics : Volume 48
International Journal of Theoretical Physics : Volume 47
International Journal of Theoretical Physics : Volume 46
International Journal of Theoretical Physics : Volume 45
International Journal of Theoretical Physics : Volume 44
International Journal of Theoretical Physics : Volume 43
International Journal of Theoretical Physics : Volume 42
International Journal of Theoretical Physics : Volume 41
International Journal of Theoretical Physics : Volume 40
International Journal of Theoretical Physics : Volume 39
International Journal of Theoretical Physics : Volume 38
International Journal of Theoretical Physics : Volume 37
International Journal of Theoretical Physics : Volume 36

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The Decoherence of Single Electron Quantum Dot Qubit

Content Provider Springer Nature Link
Author Yu, Yi Fu Li, Wei Ping Yin, Ji Wen Xiao, Jing Lin
Copyright Year 2011
Abstract On the condition of electric-LO phonon strong coupling in parabolic quantum dot, we obtain the eigenenergies of the ground state and the first-excited state, the eigenfunctions of the ground state and the first-excited state by using variational method of Pekar type. This system in quantum dot may be employed as a two-level quantum system-qubit. The phonon spontaneous emission causes the decoherence of the qubit. We displayed the density matrix of the qubit decayed with the time evolution and the coherence term of the density matrix element p $_{10}$ (or p $_{01}$) decayed with the time evolution for different coupling strength, the confinement length, the coefficient dispersion.
Starting Page 3322
Ending Page 3328
Page Count 7
File Format PDF
ISSN 00207748
Journal International Journal of Theoretical Physics
Volume Number 50
Issue Number 11
e-ISSN 15729575
Language English
Publisher Springer US
Publisher Date 2011-05-24
Publisher Place Boston
Access Restriction One Nation One Subscription (ONOS)
Subject Keyword Quantum dot Qubit Decoherence Density matrix Theoretical, Mathematical and Computational Physics Quantum Physics Physics Elementary Particles, Quantum Field Theory
Content Type Text
Resource Type Article
Subject Physics and Astronomy Mathematics
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