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INVESTIGATION OF QUANTUM FLUCTUATIONS IN A NONLINEAR INTERFEROMETER WITH HARMONIC GENERATION AND COHERENT INTERACTION OF LIGHT AND CS ATOMS
optics A NONLINEAR INTERFEROMETER
2015/1/19
In the first part of this thesis, we investigate the propagation of quantum fluctuations
in a nonlinear interferometer comprising under conditions of harmonic generation
by computer simulations. Thi...
Van der Waals-Casimir-Polder interaction of an atom with a composite surface
Van der Waals-Casimir-Polder interaction atom composite surface Atomic Physics
2012/5/29
We study the dispersion interaction of the van der Waals and Casimir-Polder (vdW-CP) type between a neutral atom and the surface of a metal by allowing for nonlocal electrodynamics, i.e. electron diff...
Probing the interaction between Rydberg-dressed atoms through interference
interaction Rydberg-dressed atoms interference Atomic Physics
2012/4/24
We study the dynamics of an atomic Bose-Einstein condensate in an optical lattice in which the electronic groundstate of each atom is weakly coupled to a highly excited Rydberg state by a far off-reso...
Theoretical description of two ultracold atoms in finite 3D optical lattices using realistic interatomic interaction potentials
Theoretical description two ultracold atoms finite 3D optical lattices realistic interatomic
2011/8/4
Abstract: A theoretical approach is described for an exact numerical treatment of a pair of ultracold atoms interacting via a central potential that are trapped in a finite three-dimensional optical l...
Interaction-induced stabilization of circular Rydberg atoms
Interaction-induced stabilization circular Rydberg atoms
2011/9/9
We discuss a candidate solution for the controlled trapping and manipulation of two individual Rydberg atoms by means of a magnetic Io e-Pritchard trap that is superimposed by a constant electric eld...
Interaction enhanced imaging of individual atoms embedded in dense atomic gases
imaging atoms embedded dense atomic gases
2011/9/6
We propose a new all-optical method to image individual atoms within dense atomic gases. The scheme exploits interaction induced shifts on highly polarizable excited states, which can be spatially res...
Inter-electronic interaction effects on the polarization of recombination photons
Inter–electronic recombination photons
2011/9/6
A theoretical investigation of the radiative capture of an electron into a bound state of heavy,hydrogen–like ion is presented. Special attention is paid to the question of how the linear polarization...
Phase diagram of Rydberg atoms with repulsive van der Waals interaction
Phase diagram of Rydberg atoms
2011/9/14
We report a quantum Monte Carlo calculation of the phase diagram of bosons interacting with a repulsive inverse sixth power pair potential, a model for assemblies of Rydberg atoms in the local van der...
Interaction and filling induced quantum phases of dual Mott insulators of bosons and fermions
Interaction quantum phases of dual Mott insulators bosons fermions
2010/11/24
Many-body effects are at the very heart of diverse phenomena found in condensed-matter physics.
One striking example is the Mott insulator phase where conductivity is suppressed as a result
of a str...
Coherent Interaction of a Single Fermion with a Small Bosonic Field
Coherent Interaction Single Fermion Small Bosonic Field
2010/11/23
We have experimentally studied few-body impurity systems consisting of a single fermionic atom
and a small bosonic eld on the sites of an optical lattice. Quantum phase revival pectroscopy has allow...
Van der Waals interaction between an atom with spherical plasma shell
Van der Waals interaction n atom spherical plasma shell
2010/11/8
We consider the van der Waals energy of an atom near the infinitely thin sphere with finite conductivity which model the fullerene. We put the sphere into spherical cavity inside the infinite dielectr...
Casimir-Polder interaction between an atom and a dielectric grating
Casimir-Polder interaction atom dielectric grating
2010/10/29
We develop the scattering approach to calculate the exact dispersive Casimir-Polder potential between a ground-state atom and a rectangular grating. Our formalism allows, in principle, for arbitrary v...
Prefect Transfer of Quantum States on Spin Chain with Dzyaloshinskii- Moriya interaction in inhomogeneous Magnetic field
XY Spin-Chain Teleportation Dzyaloshinskii-Moriya interaction
2010/10/29
In this work, we use the Hamiltonian of a modified Dzyaloshinskii-Moriya model and investigate the perfect transfer of the quantum state on the spin networks. In this paper, we calculate fidelity in w...
Accurate control of a Bose-Einstein condensate by managing the atomic interaction
Bose-Einstein condensate atomic interaction
2010/4/2
We exploit the variation of the atomic interaction in order to move ultra-cold atoms across an AC-driven periodic lattice. By breaking relevant symmetries, a gathering of atoms is achieved. Accurate c...
Preparation of Multicomponent Schrödinger Cat States Through Resonant
Atom-Field Interaction
Schrö dinger cat state resonant atom-field interaction two-level atom
2007/8/15
2005Vol.43No.6pp.1105-1106DOI:
Preparation of Multicomponent Schrödinger Cat States Through Resonant
Atom-Field Interaction
ZHENG Shi-Biao
Department of Electronic ...