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Titolo:
FRACTAL CONDUCTANCE FLUCTUATIONS IN GENERIC CHAOTIC CAVITIES
Autore:
KETZMERICK R;
Indirizzi:
UNIV CALIF SANTA BARBARA,DEPT PHYS SANTA BARBARA CA 93106 UNIV FRANKFURT,INST THEORET PHYS D-60054 FRANKFURT GERMANY UNIV FRANKFURT,SFB NICHTLINEARE DYNAM D-60054 FRANKFURT GERMANY
Titolo Testata:
Physical review. B, Condensed matter
fascicolo: 15, volume: 54, anno: 1996,
pagine: 10841 - 10844
SICI:
0163-1829(1996)54:15<10841:FCFIGC>2.0.ZU;2-L
Fonte:
ISI
Lingua:
ENG
Soggetto:
HAMILTONIAN-SYSTEMS; ANTIDOT LATTICES; WAVE-FUNCTIONS; SCATTERING; TRANSPORT; DECAY; LONG; MICROJUNCTIONS; SUPERLATTICES; DYNAMICS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
35
Recensione:
Indirizzi per estratti:
Citazione:
R. Ketzmerick, "FRACTAL CONDUCTANCE FLUCTUATIONS IN GENERIC CHAOTIC CAVITIES", Physical review. B, Condensed matter, 54(15), 1996, pp. 10841-10844

Abstract

It is shown that conductance fluctuations due to phase coherent ballistic transport through a chaotic cavity generically are fractals. The graph of conductance vs externally changed parameter, e.g., magnetic field, is a fractal with dimension D = 2 - beta/2 between 1 and 2. It is governed by the exponent beta (less than or equal to 2) of the power-law distribution P(t)similar to t(-beta) for a classically chaotic trajectory to stay in the cavity up to time t, which is typical for chaotic systems with a mixed (chaotic and regular) phase space. The phenomenon should be observable in semiconductor nanostructures and microwave billiards.

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Documento generato il 19/09/20 alle ore 12:19:52