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Dynamics of hydrogen-like atom bounded by maximal acceleration
Maximal acceleration Extended Relativistic Dynamics Hydrogen-like atom probabilistic description center of mass
2012/4/20
The existence of a maximal acceleration for massive objects was conjectured by Caianiello 30 years ago based on the Heisenberg uncertainty relations. Many consequences of this hypothesis have been stu...
Landau quantization effects in ultracold atom-ion collisions
Landau quantization effects ultracold atom-ion
2011/9/15
We study ultracold atom-ion collisions in the presence of an external magnetic field. At low collision energy the field can drastically modify the translational motion of the ion, which follows quanti...
Quantum Incompressibility of a Freely Falling Hydrogen Atom in a Circular Rydberg State, and a Gravitationally-Induced Charge Separation Effect in Superconducting Systems
Quantum Incompressibility Gravitationally-Induced Charge Separation Effect Superconducting Systems
2010/11/8
Freely falling point-like objects converge toward the center of the Earth. Hence the gravitational field of the Earth is inhomogeneous, and possesses a tidal component. The free fall of an extended qu...
Analysis of the near-resonant fluorescence spectra of a single rubidium atom localized in a three-dimensional optical lattice
Analysis single rubidium atom localized three-dimensional optical lattice
2010/11/9
Supplementary information is presented on the recent work by W. Kim et al. on the matter-wave-tunneling-induced broadening in the near-resonant spectra of a single rubidium atom localized in a three-...
Observation of quantum jumps in a superconducting artificial atom
quantum jumps superconducting artificial atom
2010/10/27
We continuously measure the state of a superconducting quantum bit coupled to a microwave
readout cavity by using a fast, ultralow-noise parametric ampli er. This arrangement allows us to observe qua...
Reply to: Atom gravimeters and the gravitational redshift
Reply Atom gravimeters gravitational redshift
2010/10/26
We stand by our result [1]: The Comment [2] revisits an interesting issue that has been known
for decades, the relationship between test of the universality of free fall and redshift experiments [3–5...
In a recent paper, H. M¨uller, A. Peters and S. Chu [A precision measurement of the gravitational redshift by the interference of matter waves, Nature 463, 926-929 (2010)] argued that atom interferome...
An Experimental Proposal to Test Dynamic Quantum Non-locality with Single-Atom Interferometry
Experimental Proposal Test Dynamic Quantum Non-locality Single-Atom Interferometry
2010/10/19
Quantum non-locality based on the well-known Bell inequality is of kinematic nature. A different type of quantum non-locality, the non-locality of the quantum equation of motion, is recently put forwa...
Cold atom scattering by cavity fields in a two-dimensional geometry
Cold atom scattering cavity fields two-dimensional geometry
2010/3/10
The quantum theory of the cold atom scattering by cavity fields in a two-dimensional geometry is presented. A distinct regime from the usual Raman-Nath, Bragg and Stern-Gerlach regimes is investigated...
Quantum jumps and spin dynamics of interacting atoms in a strongly coupled atom-cavity system
Quantum jumps spin dynamics atoms strongly coupled atom-cavity system
2010/4/9
We experimentally investigate the spin dynamics of one and two neutral atoms strongly coupled to a high finesse optical cavity. We observe quantum jumps between hyperfine ground states of a single ato...
Intensity-field correlation of single-atom resonance fluorescence
Intensity-field single-atom resonance fluorescence
2010/4/9
We report measurements of an intensity-field correlation function of the resonance fluorescence of a single trapped Ba+ ion. Detection of a photon prepares the atom in its ground state and we observe ...
Properties of a two-level atom coupled to the quantized electromagnetic field at finite temperature are determined. The analysis is based on a new method (inspired by QED) of describing qubits, develo...
Towards a monolithic optical cavity for atom detection and manipulation
a monolithic optical cavity atom detection manipulation
2010/4/7
We study a Fabry-Perot cavity formed from a ridge waveguide on a AlGaAs substrate. We experimentally determined the propagation losses in the waveguide at 780 nm, the wavelength of Rb atoms. We have a...
Fully quantum-mechanical analytic results for single-photon transport in a single-mode waveguide coupled to a whispering-gallery resonator interacting with a two-level atom
quantum-mechanical analytic single-photon single-mode waveguide whispering-gallery resonator a two-level atom
2010/4/9
We analyze the single-photon transport in a single-mode waveguide coupled to a whispering-gallery-type resonator interacting with a two-level atom. The single-photon transport properties such as the t...
Theory of single-photon transport in a single-mode waveguide coupled to a cavity containing a two-level atom
single-photon transport a single-mode waveguide two-level atom
2010/4/9
The single-photon transport in a single-mode waveguide, coupled to a cavity embedded with a two-leval atom is analyzed. The single-photon transmission and reflection amplitudes, as well as the cavity ...