Titlebook: Coherent States and Applications in Mathematical Physics; Didier Robert,Monique Combescure Book 2021Latest edition Springer Nature Switzer

杠桿

Motilin

978-3-030-70847-4Springer Nature Switzerland AG 2021

MELD

饑荒

Quantization and Coherent States on the 2-TorusThe two dimensional torus . is a very simple symplectic space. Nevertheless it gives non trivial examples of chaotic dynamical systems. These systems can be quantized in a natural way. We shall study some dynamical and spectral properties for them.

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,Sensoren zur Erfassung fluidischer Gr??en,rt space of quantum states (and on quantum operators) as a phase-space translation. Then applying it to a Schwartz class state of arbitrary profile we get a set of generalized coherent states. When we apply the Weyl–Heisenberg translation operator to the ground state of the .-dimensional Harmonic Os

慢慢流出

,Sensoren zur Erfassung fluidischer Gr??en,system is closely related with coherent states. In particular coherent states help to understand the limiting behaviour of a quantum system when the Planck constant . becomes negligible in macroscopic units. This problem is called the semi-classical limit problem. In this chapter we discuss properti

有效

Klemens Gintner,Ulrich Schaefernt coefficients. We show that the quantum evolution is exactly solvable in terms of the classical flow which is linear. This allows to construct the metaplectic transformations which are unitary operators in . corresponding to symplectic transformations. Simple examples of such metaplectic transform

沒血色

Bosch Fachinformation Automobil control in time of the remainder term depending explicitly on . and on the stability matrix of the classical system. We find that the quantum evolved coherent state is in .-norm well approximated by a squeezed state located around the phase-space point . of the classical flow reached at time ., wit

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https://doi.org/10.1007/978-3-8348-2208-6s Planck’s constant goes to zero (the semiclassical régime) with the closed orbits of the corresponding classical mechanical system. Gutzwiller gave a heuristic proof of this trace formula, using the Feynman integral representation for the propagator of .. In mathematics this kind of trace formula w

對待

Bosch Fachinformation Automobilare labelled by points on . and allow us to build a quantization of the two-sphere .. They are defined in each finite dimensional space of an irreducible unitary representation of the symmetry rotation group .(3) (or its covering .(2)) of . and give a semiclassical interpretation for the spin. As an