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  • 1
    Electronic Resource
    Electronic Resource
    Quantum chaotic scattering with CsI molecules (1993)
    Woodbury, NY : American Institute of Physics (AIP)
    Chaos 3 (1993), S. 683-690 
    Details
    ISSN: 1089-7682
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A molecular beam of CsI molecules passed through the electric field created by a pair of charged wires is proposed as a laboratory experiment on quantum chaotic scattering. It is shown that the proposed experiment is realistic.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.165929
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  • 2
    Electronic Resource
    Electronic Resource
    Combinatorial identities for binary necklaces from exact ray-splitting trace formulas (2001)
    College Park, Md. : American Institute of Physics (AIP)
    Journal of Mathematical Physics 42 (2001), S. 5832-5839 
    Details
    ISSN: 1089-7658
    Source: AIP Digital Archive
    Topics: Mathematics , Physics
    Notes: Based on an exact trace formula for a one-dimensional ray-splitting system, we derive novel combinatorial identities for cyclic binary sequences (Pólya necklaces). © 2001 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1413226
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  • 3
    Electronic Resource
    Electronic Resource
    Excitation of molecular rotation by periodic microwave pulses. A testing ground for Anderson localization (1986)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 84 (1986), S. 2604-2614 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: We study the excitation of molecular rotation by microwave pulses of duration σ which occur periodically with frequency ω. We analyze the molecular dynamics both classically and quantum mechanically and consider situations where the coupling of the field to the molecule is strong. In both approaches, the angular momentum transmitted to the molecule is confined to a finite band of width ≈1/σ. But, while the classical dynamics displays chaotic features, the quantum treatment distinguishes clearly between two regimes. Resonance excitation occurs when ω is rationally related to the basic rotation frequency ω0. Off resonance (ω/ω0 irrational), the probability to transfer angular momentum to the molecule is small and the underlying mechanism for this effect is analogous to the Anderson model of localization in a one-dimensional random lattice with a finite number of sites. We show that the conditions required by our analysis can be achieved with, e.g., PbTe or CsI molecules and conventional field strengths and we propose this system as an experimental testing ground for the Anderson localization mechanism.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.450330
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  • 4
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    Berichtigung (Book Review) (1926)
    Groningen, Netherlands : Periodicals Archive Online (PAO)
    Neophilologus. 12:1 (1926) 69 
    Details
    ISSN: 0028-2677
    Topics: Linguistics and Literary Studies
    Notes: REZENSIONEN
    URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:5262-1926-012-01-000024
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  • 5
    Electronic Resource
    Electronic Resource
    Phase transitions of stored laser-cooled ions (1988)
    [s.l.] : Nature Publishing Group
    Nature 334 (1988), S. 309-313 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Single ions in miniature traps can be imaged by using laser light to stimulate fluorescence radiation. At the same time, radiation pressure can be used to bring them nearly to rest. When a small number of ions are trapped, phase transitions can be observed between a chaotic cloud and an ordered ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/334309a0
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  • 6
    Electronic Resource
    Electronic Resource
    Type II quantum chaos (1995)
    Springer
    The European physical journal 98 (1995), S. 119-131 
    Details
    ISSN: 1434-6036
    Keywords: 05.45.+b
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A classification of quantum systems into three categories, type I, II and III, is proposed. The classification is based on the degree of sensitivity upon initial conditions, and the appearance of chaos. The quantum dynamics of type I systems is quasi periodic displaying no exponential sensitivity. They arise, e.g., as the quantized versions of classical chaotic systems. Type II systems are obtained when classical and quantum degrees of freedom are coupled. Such systems arise naturally in a dynamic extension of the first step of the Born-Oppenheimer approximation, and are of particular importance to molecular and solid state physics. Type II systems can show exponential sensitivity in the quantum subsystem. Type III systems are fully quantized systems which show exponential sensitivity in the quantum dynamics. No example of a type III system is currently established. This paper presents a detailed discussion of a type II quantum chaotic system which models a coupled electronic-vibronic system. It is argued that type II systems are of importance for any field systems (not necessarily quantum) that couple to classical degrees of freedom.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01318286
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  • 7
    Electronic Resource
    Electronic Resource
    Electronic structure of three-dimensional quantum dots (2003)
    Springer
    The European physical journal 32 (2003), S. 227-235 
    Details
    ISSN: 1434-6036
    Keywords: PACS. 73.21.La Quantum dots – 31.15.Ne Self-consistent-field methods
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: We study the electronic structure of three-dimensional quantum dots using the Hartree-Fock approximation. The confining potential of the electrons in the quantum dot is assumed to be spatially isotropic and harmonic. For up to 40 interacting electrons the ground-state energies and ground-state wavefunctions are calculated at various interaction strengths. The quadrupole moments and electron densities in the quantum dot are computed. Hund's rule is confirmed and a shell structure is identified via the addition energies and the quadrupole moments. While most of the shell structure can be understood on the basis of the unperturbed non-interacting problem, the interplay of an avoided crossing and the Coulomb interaction results in an unexpected closed shell for 19 electrons.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1140/epjb/e2003-00092-8
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  • 8
    Electronic Resource
    Electronic Resource
    The dynamic Kingdon trap: A novel design for the storage and crystallization of laser-cooled ions (1995)
    Springer
    Applied physics 60 (1995), S. 119-122 
    Details
    ISSN: 1432-0649
    Keywords: 32.80.Pj ; 05.45.+b
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract On the basis of analytical pseudo-potential calculations and extensive numerical simulations it is proved that the dynamic Kingdon trap is a working design for the permanent storage and the crystallization of laser-cooled ions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01135852
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  • 9
    Electronic Resource
    Electronic Resource
    Book review (1992)
    Springer
    Foundations of physics 22 (1992), S. 635-637 
    Details
    ISSN: 1572-9516
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00732927
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  • 10
    Electronic Resource
    Electronic Resource
    Quantum chaos (1992)
    Springer
    Journal of statistical physics 68 (1992), S. 311-319 
    Details
    ISSN: 1572-9613
    Keywords: Nonlinear dynamics ; chaos ; quantum chaos
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A quantum system which is allowed to interact with its boundary in a self-consistent way is shown to exhibit chaos. We conjecture that in general genuine wave chaos (decaying autocorrelation functions, exponential sensitivity of wavefunctions to initial wavefunction configurations) can be obtained whenever a wavefield is allowed to modify its confining boundaries in a self-consistent way. We suggest to test this conjecture in the acoustic regime.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01048847
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