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42 papers · 1 filter
Strong Connections and Chern-Connes Pairing in the Hopf-Galois Theory
L. Dabrowski, H. Grosse, P. M. Hajac
We reformulate the concept of connection on a Hopf-Galois extension in order to apply it in computing the Chern-Connes pairing between the cyclic cohomology $HC^{2n}…
Probing the statistical properties of Bose-Einstein condensates with light
Z. Idziaszek, K. Rzazewski, M. Lewenstein
A scattering of short, weak, nonresonant laser pulses on a Bose-Einstein condensate is proposed as a tool for studying its statistical properties. We show in particular that the va…
Segregation and charge-density-wave order in the spinless Falicov-Kimball model
J. K. Freericks, R. Lemanski
The spinless Falicov-Kimball model is solved exactly in the limit of infinite-dimensions on both the hypercubic and Bethe lattices. The competition between segregation, which is pr…
A stochastic Monte Carlo approach to model real star cluster evolution, II. Self-consistent models and primordial binaries
M. Giersz, R. Spurzem
The new approach outlined in Paper I (Spurzem \& Giersz 1996) to follow the individual formation and evolution of binaries in an evolving, equal point-mass star cluster is extended…
On the Duffin-Kemmer-Petiau Formulation of the Covariant Hamiltonian Dynamics in Field Theory
I. V. Kanatchikov
We show that the De Donder-Weyl (DW) covariant Hamiltonian field equations of any field can be written in Duffin-Kemmer-Petiau (DKP) matrix form. As a consequence, the (modified) D…
Metallic nonsuperconducting phase and d-wave superconductivity in Zn-substituted LaSrCuO
K. Karpinska, Marta Z. Cieplak, S. Guha +7
Measurements of the resistivity, magnetoresistance and penetration depth were made on films of LaSrCuO with up to 12 at.% of Zn substituted for the Cu. The results show that the qu…