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2.571  Articles
1 of 258 pages  |  10  records  |  more records»
The ring model of the coupled oscillator has enormously studied from the perspective of quantum mechanics. The research efforts on this system contribute to fully grasp the concepts of energy transport, dissipation, among others, in mesoscopic and condens... see more

The ring model of the coupled oscillator has enormously studied from the perspective of quantum mechanics. The research efforts on this system contribute to fully grasp the concepts of energy transport, dissipation, among others, in mesoscopic and condens... see more

We study coupled quantum systems as the working media of thermodynamic machines. Under a suitable phase-space transformation, the coupled systems can be expressed as a composition of independent subsystems. We find that for the coupled systems, the figure... see more

We develop a useful model considering an atom-field system interaction in the framework of pseudoharmonic oscillators. We examine qualitatively the different physical quantities for a two-level atom (TLA) system interacting with a quantized coherent field... see more

This study aims at implementing a truncated matrix approach based on harmonic oscillator eigenfunctions to calculate energy eigenvalues of anharmonic oscillators containing quadratic, quartic, sextic, octic, and decic anharmonicities. The accuracy of the ... see more

We address an intriguing question on spectral invariance in quantum mechanics on exchange of co-ordinateand momentum X<--   --> p considering general oscillator as an example.

In the Fock space of two Bose operators all the representations of the 1-D Parabose oscillator are realised. States of (p+2n-1) bosons are shown to stand for states of n parabosons of order p.

Pseudo-Hermitian quantum theories are those in which the Hamiltonian H satisfies H† = ?H?-1, where ? = e-Q is a positive-definite Hermitian operator, rather than the usual H† = H. In the operator formulation of such theories the standard Hilbert-space met... see more

A Langevin canonical framework for a chiral two-level system coupled to a bath of harmonic oscillators is used within a coupling scheme different from the well-known spin-boson model to study the quantum stochastic resonance for chiral molecules. This pro... see more

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