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Classical Systems in Quantum Mechanics
This book investigates two possibilities for describing classical-mechanical physical systems along with their Hamiltonian dynamics in the framework of quantum mechanics.The first possibility consists in exploiting the geometrical properties of the set of quantum pure states of "microsystems" and of the Lie groups characterizing the specific classical system. The second approach is to consider quantal systems of a large number of interacting subsystems – i.e. macrosystems, so as to study the quantum mechanics of an infinite number of degrees of freedom and to look for the behaviour of their collective variables. The final chapter contains some solvable models of “quantum measurement" describing dynamical transitions from "microsystems" to "macrosystems".
Our Almost Impossible Universe
WHY GOD COULD NOT CREATE THE UNIVERSE WITH A DIFFERENT DIMENSION EVEN IF IT WANTED TO or perhaps anything else. Perhaps the universe must be the way it is. It seems that what is omnipotent is mathematics, elementary arithmetic, just counting. Yet even mathematics is not powerful enough to create a universe¿there are just too many conditions, conflicting. Existence is impossible. Beyond that for there to be structure is quite inconceivable. But the universe does exist, there are galaxies, stars, even the possibility of life. That life is possible merely allows it to exist but only with the greatest good fortune does it actually occur. Intelligence is vastly less likely, ability and technolog...
Trends In Quantum Mechanics - Proceedings Of The International Symposium
Contents:Relationships Between q-Deformations, Typical Length Scales and Lower Measurability Bounds (E Papp)Description of Kerr States via Deformed Bosons (A I Solomon et al.)Quantum Mechanics on Phase Spaces ZN x ZN (J Tolar)Continuous Fuzzy Measurement of Energy: Realization and Application (J Audretsch)Decoherence and the Final Pointer Basis (M Castagnino & R Laura)On Hybrid Dynamics of the Copenhagen Dichotomic World (L Diósi)Storage and Read-Out of Quantum-State Information via Interference (M Freyberger et al.)Is There a Gravitational Collapse of the Wave-Packet? (H-J Schmidt)Operators and Maps Affiliated to EPR Channels (A Uhlmann)Reconstruction of Quantum States and Its Conceptual I...
Beletra Almanako 43 (BA43 - Literaturo en Esperanto)
This is the forty third volume of Beletra Almanako, a literary almanac in Esperanto, now in its sixteenth year of existence! --- La kvardek tria numero de Beletra Almanako denove enhavas originalajn kaj tradukitajn verkojn (prozon, poezion, eseon, teatron, artikolojn, recenzojn) de jenaj konataj kaj novaj verkantoj: Davide Astori, Hans E. Becklin, Marjorie Boulton, Mikaelo Bronŝtejn, Dino Buzzati, Jorge Camacho, Probal Daŝgupto, Nicolau Dols, Pascal Dubourg Glatigny, István Ertl, Miguel Fernández, Gian Carlo Fighiera, Jesper Lykke Jacobsen, Wim Jansen, Sten Johansson, Dezső Kosztolányi, Jorge Rafael Nogueras, Benoît Philippe, Veronika Poór, Sara Spanò, Taras Ŝevĉenko, Spomenka Stimec.
