On rotational coherent states in molecular quantum dynamics

1999 ◽  
Vol 40 (2) ◽  
pp. 766-786 ◽  
Author(s):  
Jorge A. Morales ◽  
Erik Deumens ◽  
Yngve Öhrn
Keyword(s):  
Coherent States ◽  
Quantum Dynamics

scholarly journals COHERENT STATES OF QUANTUM NONLINEAR SYSTEMS

1995 ◽  
Vol 09 (28n29) ◽  
pp. 1839-1844 ◽  
Author(s):  
Z. HABA
Keyword(s):  
Nonlinear Systems ◽  
Wave Packet ◽  
Integrable Systems ◽  
Coherent States ◽  
Quantum Dynamics ◽  
Wave Packets

Quantum dynamics of integrable systems is discussed. Localized wave packets generalizing the conventional coherent states of minimal uncertainty are constructed. The wave packet moves along a certain trajectory and does not change its shape for times of order [Formula: see text].

scholarly journals QUANTUM DYNAMICS OF THE CUBIT SYSTEM IN EXTERNAL FIELDS

2021 ◽  
Vol 26 (4) ◽  
pp. 68-75
Author(s):  
A. V. Gorokhov ◽  
G. I. Eremenko
Keyword(s):  
Symmetry Group ◽  
Time Evolution ◽  
Coherent States ◽  
Quantum Dynamics ◽  
Dynamic Symmetry ◽  
Classical Dynamics ◽  
External Fields

A system of two dipole-dipole interacting two-level elements (qubits) in external fields is considered. It is shown that using the coherent states (CS) of the dynamic symmetry group of the SU(2)SU(2) system, the time evolution can be reduced to the "classical" dynamics of the complex parameters of the CS. The trajectories of the CS are constructed and the time dependences of the probability of finding qubits at the upper levels are calculated.

scholarly journals Quantum dynamics in phase space: from coherent states to the Gaussian representation

2007 ◽  
Vol 54 (16-17) ◽  
pp. 2499-2512 ◽  
Author(s):  
P. D. Drummond ◽  
P. Deuar ◽  
T. G. Vaughan ◽  
J. F. Corney
Keyword(s):  
Phase Space ◽  
Coherent States ◽  
Quantum Dynamics ◽  
Gaussian Representation

COHERENT STATES AND QUANTUM DYNAMICS OF NON-LINEAR SYSTEMS

1996 ◽  
Vol 08 (08) ◽  
pp. 1061-1082 ◽  
Author(s):  
Z. HABA
Keyword(s):  
Wave Packet ◽  
Coherent State ◽  
Linear Systems ◽  
Hamiltonian Systems ◽  
Coherent States ◽  
Quantum Dynamics ◽  
Quantum Mechanical ◽  
Angle Variable ◽  
Integrable Hamiltonian Systems ◽  
Non Linear Systems

We discuss a quantum-mechanical analog of the classical angle variable. A localized wave packet is constructed generalizing the conventional coherent state of minimal uncertainty. For small ħ the wave packet moves along a certain trajectory close to the classical torus. In a class of integrable Hamiltonian systems we estimate that the wave packet preserves its shape at least for times of order [Formula: see text].

scholarly journals Nonlinear description of quantum dynamics: Generalized coherent states

2021 ◽  
Vol 62 (4) ◽  
pp. 042105
Author(s):  
H. Cruz-Prado ◽  
G. Marmo ◽  
D. Schuch ◽  
O. Castaños
Keyword(s):  
Coherent States ◽  
Quantum Dynamics ◽  
Generalized Coherent States
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