Relativistic quantum scars

Relativistic quantum scars

The concentrations of wave functions about classical periodic orbits, or quantum scars, are a fundamental phenomenon in physics. An open question is whether scarring can occur in relativistic quantum systems. To address this question, we investigate confinements made of graphene whose classical dyna...

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Veröffentlicht in:Physical review letters 2009-07, Vol.103 (5), p.054101-054101, Article 054101
Hauptverfasser: Huang, Liang, Lai, Ying-Cheng, Ferry, David K, Goodnick, Stephen M, Akis, Richard
Format: Artikel
Sprache:eng
Schlagworte:
CHAOS THEORY
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
ENERGY RANGE
FUNCTIONS
MATHEMATICS
MECHANICS
NANOSCIENCE AND NANOTECHNOLOGY
NANOSTRUCTURES
PERIODICITY
QUANTUM DOTS
QUANTUM MECHANICS
RELATIVISTIC RANGE
VARIATIONS
WAVE FUNCTIONS
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Beschreibung
Zusammenfassung:The concentrations of wave functions about classical periodic orbits, or quantum scars, are a fundamental phenomenon in physics. An open question is whether scarring can occur in relativistic quantum systems. To address this question, we investigate confinements made of graphene whose classical dynamics are chaotic and find unequivocal evidence of relativistic quantum scars. The scarred states can lead to strong conductance fluctuations in the corresponding open quantum dots via the mechanism of resonant transmission.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.103.054101