English
Related papers

Related papers: Radiation-field-driven ionization in laser-assiste…

200 papers

We show that two groups of slow two-level atoms in a weak resonant laser field, are entangled. The considered groups can be separated by a macroscopic distance, and be parts of a larger atomic ensemble. In a dilute regime, for two very…

Quantum Physics · Physics 2015-06-22 S. Camalet

A new pathway of strong laser field induced ionization of an atom is identified which is based on recollisions under the tunneling barrier. With an amended strong field approximation, the interference of the direct and the under-the-barrier…

Atomic Physics · Physics 2018-01-10 Michael Klaiber , Karen Z. Hatsagortsyan , Christoph H. Keitel

The acceleration of ions in the interaction of circular polarized laser pulses with overdense plasmas is investigated. For circular polarization laser pulses, the quasi-equilibrium for electrons is established due to the light pressure and…

Accelerator Physics · Physics 2007-12-26 X. Q. Yan , C. Lin , Z. M. Sheng , Z. Y. Guo , B. C. Liu , Y. R. Lu , J. X. Fang , J. E. Chen

The electron dynamics of rare gas clusters in laser fields is investigated quantum mechanically by means of time-dependent density functional theory. The mechanism of early inner and outer ionization is revealed. The formation of an…

Atomic Physics · Physics 2009-11-10 D. Bauer , A. Macchi

The change of the probability of proton emission in nuclear photoeffect due to an intense coherent (laser) field is discussed near the threshold, where the hindering effect of the Coulomb field of the remainder nucleus is essential. The…

Nuclear Theory · Physics 2013-06-26 Péter Kálmán , Dániel Péter Kis , Tamás Keszthelyi

Modern laser systems are able to generate short and intense laser pulses ionizing matter in the poorly explored barrier-suppression regime. Field ionization in this regime is studied analytically and numerically. For analytical studies,…

Atomic Physics · Physics 2018-11-15 I. Yu. Kostyukov , A. A. Golovanov

The interaction of laser cooled and trapped atoms with resonant light is limited by the linewidth of the excited state of the atom. Another precise optical oscillator is an optical Fabry-P\'erot cavity. The combining of cold atoms with…

Optics · Physics 2017-09-19 Rahul Sawant , S. A. Rangwala

In laser-driven wakefield, ionization induced injection is an efficient way to inject electrons in the plasma wave. A detailed study on the beam dynamics under the influence of beam loading effects, which can be controlled by the…

Plasma Physics · Physics 2018-12-26 P. Lee , T. L. Audet , R. Lehe , J. -L. Vay , G. Maynard , B. Cros

Control fields in quantum information processing are virtually always, almost by definition, assumed to be classical. In reality, however, when such a field is used to manipulate the quantum state of qubits, the qubits never remain…

Quantum Physics · Physics 2007-05-23 S. J. van Enk , H. J. Kimble

We describe an approach to the description of the time-development of the process of strong field ionization of atoms based on the calculation of the joint probability of occurrence of two events, event B being finding atom in the ionized…

Atomic Physics · Physics 2022-10-28 I. A. Ivanov , K. T. Kim

The coherent manipulation of the atomic matter waves is of great interest both in science and technology. In order to study how an atom optic device alters the coherence of an atomic beam, we consider the quantum lens proposed by Averbukh…

Quantum Physics · Physics 2014-06-18 I. G. da Paz , H. M. Frazão , M. C. Nemes , J. G. Peixoto de Faria

Laser-driven ion acceleration provides ultra-short, high-charge, low-emittance beams, which are desirable for a wide range of high-impact applications. Yet after decades of research, a significant increase in maximum ion energy is still…

We investigate the quantum interference induced by a relative phase in the correlated initial state of a system which consists in a two-level atom interacting with a damped mode of the radiation field. We show that the initial relative…

Quantum Physics · Physics 2012-07-24 Zhong-Xiao Man , Andrea Smirne , Yun-Jie Xia , Bassano Vacchini

The interaction of relativistically strong tailored laser pulses with an atomic system is considered. Due to a special tailoring of the laser pulse, the suppression of the relativistic drift of the ionized electron and a dramatic…

Atomic Physics · Physics 2009-11-13 Michael Klaiber , Karen Z. Hatsagortsyan , Christoph H. Keitel

The field of laser-matter interaction traditionally deals with the response of atoms, molecules and plasmas to an external light wave. However, the recent sustained technological progress is opening up the possibility of employing intense…

High Energy Physics - Phenomenology · Physics 2012-08-20 A. Di Piazza , C. Müller , K. Z. Hatsagortsyan , C. H. Keitel

The evolution of an electron beam colliding head-on with a strong plane-wave field is investigated in the framework of strong-field QED including radiation-reaction effects due to photon emission. Employing a kinetic approach to describe…

High Energy Physics - Phenomenology · Physics 2014-08-07 Norman Neitz , Antonino Di Piazza

We develop the recently proposed analytical R-matrix (ARM) method to encompass strong field ionisation by circularly polarised fields, for atoms with arbitrary binding potentials. Through ARM, the effect of the potential can now be included…

Atomic Physics · Physics 2013-08-05 Jivesh Kaushal , Olga Smirnova

We investigate laser induced nonsequential multiple ionization using a simple statistical model in which an electron recollides inelastically with its parent ion. In this collision, it thermalizes with the remaining $N-1$ bound electrons…

Atomic Physics · Physics 2007-05-23 C. Figueira de Morisson Faria , X. Liu

Coupling of light to an atom at single quanta level with high probability is a building block for many quantum information processing protocols. It is commonly believed that efficient coupling is only achievable with the assistance of a…

We show that three-level atoms excited by two cavity modes in a $\Lambda$ configuration close to electromagnetically induced transparency can produce strongly squeezed bright beams or correlated beams which can be used for quantum non…

Quantum Physics · Physics 2009-11-13 Alice Sinatra