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  • Random interaction  (2)
  • Corticosterone methyl oxidase type II  (1)
  • Glauber dynamics  (1)
  • Invariant measures for the Euler flow  (1)
  • Metastability  (1)
  • Quantum systems  (1)
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Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Corticosterone methyl oxidase type II deficiency: a cause of failure to thrive and recurrent dehydration in early infancy (1992)
    Springer
    European journal of pediatrics 151 (1992), S. 170-173 
    Details
    ISSN: 1432-1076
    Keywords: Corticosterone methyl oxidase type II ; Failure to thrive ; Salt wasting
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Corticosterone methyl oxidase type II (CMO II) deficiency is an uncommon cause of salt-wasting in infancy. We describe a boy who presented with recurrent dehydration and severe failure to thrive in the first 3 months of life, associated with mild hyponatraemia (serum Na+ 127–132 mEq/l) and hyperkalaemia (serum K+ 5.3–5.9 mEq/l). The diagnosis was suggested by an elevated plasma renin activity (PRA): serum aldosterone ratio, and subsequently confirmed by an elevated serum 18-hydroxycorticosterone: aldosterone ratio. Treatment with 9α-fluorohydroxycortisone normalized growth parameters and PRA levels. CMO II deficiency should be considered in infants with recurrent dehydration and failure to thrive, even when serum sodium and potassium levels are not strikingly abnormal.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01954376
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    On the invariant measures for the two-dimensional euler flow (1987)
    Springer
    Journal of statistical physics 46 (1987), S. 729-742 
    Details
    ISSN: 1572-9613
    Keywords: Invariant measures for the Euler flow ; vortices ; Gaussian random fields
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract It is proven that the canonical Gibbs measure associated with a gas of vortices of intensity ±√σ converges, in the limitN→∞, √σ→0,Nσ→const, to a Gaussian measure, which is invariant for the two-dimensional Euler equation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01013382
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    On the Gibbs states for one-dimensional lattice Boson systems with a long-range interaction (1993)
    Springer
    Journal of statistical physics 70 (1993), S. 985-1028 
    Details
    ISSN: 1572-9613
    Keywords: Quantum systems ; Gibbs states
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We consider an infinite chain of interacting quantum (anharmonic) oscillators. The pair potential for the oscillators at lattice distanced is proportional to {d 2[log(d+1)]F(d)}−1 where ∑ r∈Z [rF(r)]−1 〈 ∞. We prove that for any value of the inverse temperatureβ〉 0 there exists a limiting Gibbs state which is translationally invariant and ergodic. Furthermore, it is analytic in a natural sense. This shows the absence of phase transitions in the systems under consideration for any value of the thermodynamic parameters.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01053604
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Metastability and Convergence to Equilibrium for the Random Field Curie–Weiss Model (1998)
    Springer
    Journal of statistical physics 91 (1998), S. 679-732 
    Details
    ISSN: 1572-9613
    Keywords: Metastability ; random magnetic field ; random spin systems ; Glauber dynamics ; Curie–Weiss model
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We study a dynamics for the magnetization of the random field Curie–Weiss model. A metastable behavior is exhibited and asymptotic estimates on the speed of convergence to equilibrium are given. The results are given almost surely and in law with respect to the realizations of the random magnetic fields.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1023085829152
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    On the absence of breakdown of symmetry for the plane rotator model with long-range random interaction (1983)
    Springer
    Journal of statistical physics 32 (1983), S. 627-648 
    Details
    ISSN: 1572-9613
    Keywords: Random interaction ; random variable long range ; spin glass ; relative entropy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We study the plane rotator model with hamiltonian $$ - \frac{1}{2}\sum\limits_{x \ne y} {J_{xy} \frac{{\cos (\theta _x - \theta _y )}}{{\left| {\left. {x - y} \right|} \right.^{3 + \in } }}}$$ whereJ xy for different pair (x, y) are independent symmetric random variables. It is proved that for almost allJ, all the Gibbs statesP(J) are rotation invariant.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01008960
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Upper bound on the decay of correlations in the plane rotator model with long-range random interaction (1984)
    Springer
    Journal of statistical physics 36 (1984), S. 489-516 
    Details
    ISSN: 1572-9613
    Keywords: Random interaction ; random variables ; long range ; spin glass
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We give an upper bound on the decay of correlation function for the plane rotator model with Hamiltonian $$ - \frac{1}{2}\mathop \sum \limits_{xy} \frac{{J_{xy} \cos (\theta _x - \theta _y )}}{{\| {x - y} \|^{({3 \mathord{\left/ {\vphantom {3 2}} \right. \kern-\nulldelimiterspace} 2} + \varepsilon )^d } }}$$ in dimensiond=1 andd=2 when (J xy are independent random variables with mean zero.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01010993
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    Paper (German National Licenses)
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