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Physica A Statistical Mechanics and its Applications

Jahn-Teller systems as displaced para-Bose oscillators

Manfred Schmutz

Published Apr 1, 1980• 13 citations
Publisher
DOI
10.1016/0378-4371(80)90097-7

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Parabosons versus supersymmetry in Jahn-Teller systems

E. D. Savage, G E Stedman

The applications of parabosons by Schmutz (1980) and of supersymmetry by Jarvis and Stedman (1984) in Jahn-Teller systems are compared and contrasted. Although a parasupersymmetric Jahn-Teller system has not yet been identified, the method of Schmutz is used here to show that the E* epsilon supersymmetric Jahn-Teller Hamiltonian can be written in terms of paraboson operators.

arXiv:hep-th/9406112•Journal of Physics A Mathematical and General•Jul 7, 1994•1 citation
The dynamics of driven binary oscillators in the PT\mathcal{PT}PT-symmetric harmonic potential is investigated and the corresponding analytical solutions of the time-dependent wave function are obtained. Our numerical results exhibit that there is the population oscillation, which is different from the case of normal dissipation or gain systems. After studying the motion of driven harmonic oscillators which are coupled via the E⨂eE⨂eE⨂e Jahn-Teller effect in the Hermitian potential, we find that the dynamics behavior of these two systems is similar under certain conditions. As we know, the oscillation behavior is induced by the exchange interaction in the oscillator system with Jahn-Teller coupling. Our study shows that the binary quantum systems with PT\mathcal{PT}PT-symmetric Hamiltonians may be used to approximately describe the dynamics of coupling quantum systems and the quantum transport process in few-particle or other systems.
We consider the nonlinear effects in a Jahn–Teller (JT) system of two coupled resonators interacting simultaneously with a flux qubit using coupled SQUIDs. A two-frequency description of JT system that inherits the networked structure of both nonlinear Josephson junctions and harmonic oscillators is employed to describe the synchronous structures in a multifrequency scheme. Eigenvalue spectrum is used to show the switch between the effective single mode and two mode configuration in terms of frequency difference. The Rabi supersplitting is investigated by the spectral response of JT systems in different coupling regimes. Second-order coherence functions are employed to investigate antibunching effects in resonator mode. Synchronous structure between correlations of privileged mode and qubit is obtained in localization–delocalization and photon blockade regime controlled by the population imbalance.