Hybrid exciton state in a quantum dot–dendrite system: Green functions
نویسندگان
چکیده
منابع مشابه
The structure of Green functions in quantum field theory with a general state
In quantum field theory, the Green function is usually calculated as the expectation value of the time-ordered product of fields over the vacuum. In some cases, especially in degenerate systems, expectation values over general states are required. The corresponding Green functions are essentially more complex than in the vacuum, because they cannot be written in terms of standard Feynman diagra...
متن کاملTime dependent Green functions in Quantum Cosmology
The aim of this article is twofold. First we examine from a new angle the question of the recovery of time in quantum cosmology. We construct Green functions for matter fields from the solutions of the Wheeler De Witt equation. For simplicity we work in a mini-superspace context. By evaluating these Green functions in a first order development of the energy increment induced by matrix elements ...
متن کاملStatistics of Exciton Emission in a Semiconductor Microcavity: Detuning and Exciton-Exciton Effects
We consider the interaction of quantum light with an ideal semiconductor microcavity. We investigate photon statistics in different conditions and the presence of detuning and exciton-exciton interaction. We show that in the resonant interaction and absence of the exciton-exciton interaction, the state of the whole system can be considered as coherent state. According to our results, it turns...
متن کاملEXCITON-PHONON SYSTEM IN GaAs-Ga1-xAlxAs QUANTUM-WELL WIRES
The binding energies o f l i gh t and heavyhole exciton-phonon systems i n GaAs-Ga A1 As quantum wires are calculated as a function o f the s i z e s o f the I-x x wire for Several values of the heights o f the barrier potential. I t is found that the corrections due t o exciton-phonon coupling are quite s igni f icant . In the last few years some progress has been done in the study of electron...
متن کاملQuantum Teleportation in a Solid State System
We propose a practical solid-state system capable of demonstrating quantum teleportation. The set-up exploits recent advances in the optical control of excitons in coupled quantum dots, in order to produce maximally-entangled Bell and Greenberger-Horne-Zeilinger (GHZ) states. Only two unitary transformations are then required: a quantum Controlled-Not gate and a Hadamard gate. The laser pulses ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Physical Review B
سال: 2003
ISSN: 0163-1829,1095-3795
DOI: 10.1103/physrevb.67.075313