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- J Durnin, J J Miceli, J H Eberly
- Optics letters
- 1988

- Phay J Ho, R Panfili, S L Haan, J H Eberly
- Physical review letters
- 2005

We introduce a unified and simplified theory of atomic double ionization. Our results show that at high laser intensities (I>/=10(14) W/cm(2)) purely classical correlation is strong enough to account for all of the main features observed in experiments to date.

- R Panfili, S L Haan, J H Eberly
- Physical review letters
- 2002

We use classical simulations to analyze the dynamics of nonsequential double-electron short-pulse photoionization. We utilize a microcanonical ensemble of 10(5) two-electron "trajectories," a number large enough to provide large subensembles and even sub-subensembles associated with double ionization. We focus on key events in the final doubly ionized… (More)

- S L Haan, L Breen, A Karim, J H Eberly
- Physical review letters
- 2006

Ensembles of 400,000 two-electron trajectories in three space dimensions are used with Newtonian equations of motion to track atomic double ionization under very strong laser fields. We report a variable time lag between e-e collision and double ionization, and find that the time lag plays a key role in the emergence directions of the electrons. These are… (More)

- J. H. Eberly
- 2002

We undertake a pure-state analysis of a noise-dominated quantum event, namely spontaneous photon emission by an excited atom. While pure, the final state is nonseparably entangled. We calculate the participation ratio that provides a measure of the nonseparability, in the context of Schmidt-type analysis. The Schmidt modes serve as pairwise ''pointer''… (More)

- Y Lin, W Seka, J H Eberly, H Huang, D L Brown
- Applied optics
- 1992

We report on an experimental characterization of Bessel beams with finite apertures. We show that real Bessel beams can be generated with intensity profiles that closely resemble the ideal J(0)(2) transverseintensity distribution of Bessel beams. We also show interferometrically that these beams have planar phase fronts with pi-phase shifts from one Bessel… (More)

- Xiao-Feng Qian, J H Eberly
- Optics letters
- 2011

We identify classical light fields as physical examples of nonquantum entanglement. A natural measure of degree of polarization emerges from this identification, and we discuss its systematic application to any optical field, whether beamlike or not.

- J. H. Eberly
- 2002

We employ an arrangement of polarization analyzer loops to derive several simple Bell inequalities and then discuss the violation of one of them in light of quantum and classical interpretations of the data recorded.

- Xu Wang, J H Eberly
- Physical review letters
- 2009

We predict new end-of-pulse behavior in high-field atomic double ionization. Calculations of atomic electron trajectories in short intense laser pulses confirm our analysis of elliptical polarization. We exhibit a four-band structure in ion momentum distributions under various ellipticities, and predict that sequential and nonsequential double ionization… (More)

- Xu Wang, Justin Tian, J H Eberly
- Physical review letters
- 2013

For time-dependent strong-field atomic ionization a new theoretical approach is described that combines the numerical time-dependent Schrödinger equation (TDSE) and the numerical time-dependent Newtonian equation (TDNE). This approach keeps both the accuracy of quantum calculations and the speed of classical calculations. It does not use approximate… (More)