%0 Journal Article
%T Quantum Field Theory of Dynamics of Spectroscopic Transitions by Strong Dipole-Photon and Dipole-Phonon Coupling
%A Alla Dovlatova
%A Dmitri Yerchuck
%J ISRN Optics
%D 2012
%R 10.5402/2012/390749
%X Matrix-operator difference-differential equations for dynamics of spectroscopic transitions in 1D multiqubit exchange-coupled (para)magnetic and optical systems by strong dipole-photon and dipole-phonon coupling are derived within the framework of quantum field theory. It has been established that by strong dipole-photon and dipole-phonon coupling the formation of long-lived coherent system of the resonance phonons takes place, and relaxation processes acquire pure quantum character. It is determined by the appearance of coherent emission process of EM-field energy, for which the resonance phonon system is responsible. Emission process is accompanied by phonon Rabi quantum oscillation, which can be time-shared from photon quantum Rabi oscillations, accompanying coherent absorption process of EM-field energy. For the case of radio spectroscopy, it corresponds to the possibility of the simultaneous observation along with (para)magntic spin resonance, the acoustic spin resonance. 1. Introduction The use of optical and radio spectroscopy methods to create coherent states in solid materials has numerous potential applications, ranging from low-power nonlinear optics to high-temperature spectral hole burning memories to solid-state quantum computing. The interest in optical excitation lies in the fact that the coherent states can be efficiently excited and manipulated using optical laser fields, yet they are weakly coupled to the environment and hence have the long coherence lifetimes needed for optical memories and quantum computing. It seems to be very substantial for practical applications and even necessary the development of the theory, which allows to predict the appropriate electronic systems and the conditions for the formation of long-lived coherent states. Subsequent progress in given field seems to be connected with the elaboration of theoretical models based on quantum field theory (QFT) including quantum electrodynamics (QED). Really, quantum field theory including quantum electrodynamics, in fact, becomes to be working instrument in spectroscopy studies and industrial spectroscopy control. Moreover, we will show, in given report, that quantized electromagnetic (EM) field itself and quantized field of lattice deformations (phonon field) will be in the nearest future the working components of optoelectronic, spintronic devices and various logic quantum systems including quantum computers and quantum communication systems. Quantum dynamics of two-level systems (qubits), coupled to a single mode of an electromagnetic cavity, are of considerable
%U http://www.hindawi.com/journals/isrn.optics/2012/390749/