Abstract

We analyze the effects of dissipation in a charged oscillator in the presence of the Aharonov-Bohm effect by using time-dependent mass (m(t)) Hamiltonians. We consider two different models for the dissipative Hamiltonian and analyze the uncertainties (Δr and Δp) and the quantum mechanical expectation value of energy (⟨E⟩) in terms of time (t), damping parameters and flux parameter (v). For the Caldirola-Kanai model, we observe that the flux parameter v decreases the energy dissipation in a quantum dot for a certain range of t.

Highlights

  • Since the 1920s, the interaction between charged particles and electromagnetic fields has attracted a great attention in the literature under the quantum mechanics point of view

  • As a matter of fact, the particle is affected by electromagnetic potentials, which may exist in regions where the fields do not exist

  • In 1959, Aharonov and Bohm [2] discussed the role of the electromagnetic potentials in quantum mechanics

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Summary

Introduction

Since the 1920s, the interaction between charged particles and electromagnetic fields has attracted a great attention in the literature under the quantum mechanics point of view. This model has already been used to study dissipative quantum tunneling [29, 30], time-dependent mesoscopic RLC circuits [31,32,33,34,35], damped effects on the entanglement of a two-level atom in a two-photon field [36], dissipative relativistic motion [37], the matter black-body problem [38], parabolic confined particles (dissipative quantum dots) [39, 40] and the dynamics of the DNA breathing [41]. Dissipative Dynamics and Uncertainty Measures of a Charged Oscillator in the Presence

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