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- Centre National de la Recherche ScientifiqueFR238 papers
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85 papers · 1 filter
Uncertainty Relation on World Crystal and its Applications to Micro Black Holes
Petr Jizba, Hagen Kleinert, Fabio Scardigli
We formulate generalized uncertainty relations in a crystal-like universe whose lattice spacing is of the order of Planck length -- "world crystal". In the particular case when ene…
A Chebychev propagator with iterative time ordering for explicitly time-dependent Hamiltonians
Mamadou Ndong, Hillel Tal-Ezer, Ronnie Kosloff +1
A propagation method for time-dependent Schrödinger equations with an explicitly time-dependent Hamiltonian is developed where time ordering is achieved iteratively. The explicit t…
Concepts of alpha-particle condensation
Y. Funaki, H. Horiuchi, W. von Oertzen +4
Certain aspects of the recently proposed antisymmetrised alpha particle product state wave function, or THSR alpha cluster wave function, for the description of the ground state in…
Density excitations of a harmonically trapped ideal gas
Jai Carol Cruz, C. N. Kumar, K. N. Pathak +1
The dynamic structure factor of a harmonically trapped Bose gas has been calculated well above the Bose-Einstein condensation temperature by treating the gas cloud as a canonical e…
Dynamics of Uniform Quantum Gases, II: Magnetic Susceptibility
J. Bosse, K. N. Pathak, G. S. Singh
A general expression for temperature-dependent magnetic susceptibility of quantum gases composed of particles possessing both charge and spin degrees of freedom has been obtained w…
Dynamics of Uniform Quantum Gases, I: Density and Current Correlations
J. Bosse, K. N. Pathak, G. S. Singh
A unified approach valid for any wavenumber, frequency, and temperature is presented for uniform ideal quantum gases allowing for a comprehensive study of number density and partic…