Interaction of intense short laser pulses with positronium

被引：1

作者：

Borbely, S. ^{[1
]}

Tokesi, K. ^{[2
]}

Nagy, L. ^{[1
]}

机构：

[1] Univ Babes Bolyai, Fac Phys, Cluj Napoca 400084, Romania

[2] Hungarian Acad Sci ATOMKI, Inst Nucl Res, Debrecen, Hungary

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2009年 / 267卷 / 02期

关键词：

Over-the-barrier ionization; Intense; Ultrashort laser pulses; Positronium; IONIZATION; ATOMS;

D O I：

10.1016/j.nimb.2008.10.041

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The ionization of the positronium is studied in the over-the-barrier regime. The Volkov and momentum-space strong-field approximation are applied to describe the ionization of the hydrogen-like atomic systems. Classical trajectory Monte Carlo calculations were also performed and a good agreement with quantum-mechanical calculations were found. The scaling of the ionization probability density as function of the reduced mass of the target is analyzed. We find that the maxima of the ionization probability density is determined by laser field parameters, and it's width can be characterised by the charge of the core and reduced mass of the target. (c) 2008 Elsevier B.V. All rights reserved.

引用

页码：386 / 389

页数：4

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