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Issue		Europhys. Lett. Volume 44, Number 2, October 1998
Page(s)		162 - 167
Section		General
DOI		10.1209/epl/i1998-00451-1

DOI: 10.1209/epl/i1998-00451-1


Europhys. Lett, 44 (2), pp. 162-167 (1998)

Conductance fluctuations in microwave-driven
Rydberg atoms

A. Buchleitner ^1,2, I. Guarneri ^3,4,5 and J. Zakrzewski ⁶

¹ Max-Planck-Institut für Quantenoptik
Hans-Kopfermann-Str. 1, D-85748 Garching, Germany
² The Queen's University of Belfast - Belfast BT7 1NN, Northern Ireland
³ Universitá di Milano, Sede di Como - Via Lucini 3, I-22100 Como, Italy
⁴ Istituto Nazionale di Fisica Nucleare, Sezione di Pavia
Via Bassi 6, I-27100 Pavia, Italy
⁵ Istituto Nazionale di Fisica della Materia, Unità di Milano
Via Celoria 16, I-20134 Milano, Italy
⁶ Instytut Fizyki imienia Mariana Smoluchowskiego, Uniwersytet Jagiellonski
ulica Reymonta 4, PL-30-059 Kraków, Poland

(received 8 June 1998; accepted in final form 27 August 1998)

PACS. 05.45${\rm +b}$ - Theory and models of chaotic systems.
PACS. 32.80Rm - Multiphoton ionization and excitation to highly excited states (e.g., Rydberg states).
PACS. 72.15Rn - Quantum localization.

Abstract:

We draw and quantitatively support a parallel between conductance fluctuations in one-dimensional disordered solids and fluctuations of lifetimes of hydrogen atoms in microwave fields. In particular, we numerically analyze the statistics of scaled atomic resonance widths in the localized regime and we find a lognormal distribution, quantitatively consistent with the theory of Anderson localization.

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