Investigation of Temperature Effect in Landau-Zener Avoided Crossing

Hosseini, Mehdi; Sarreshtedari, Farrokh

doi:10.18869/acadpub.ijop.11.1.57

Cited by 2 publications

(2 citation statements)

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“…Among these techniques, counter-diabatic quantum driving [42,43] and inverse engineering based on Lewis-Riesenfeld can be mentioned [44,45]. Furthermore, in many works, the effects of perturbation on the population transfer of systems including dephasing and dissipation problems, environmental effects such as noise and temperature effect have been investigated [46][47][48][49][50].…”

Section: Introductionmentioning

confidence: 99%

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Investigation of robust population transfer using quadratically chirped laser interacting with a two-level system

2019

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We have proposed and demonstrated a fast and robust method of population transfer between two quantum states using a quadratically chirped laser source. Incorporating the Jaynes-Cummings in a full quantum description of the interaction, and numerically solving the time-dependent Schrödinger equation, transition probabilities have been obtained and the condition of the adiabatic passage is investigated. In this scheme, a laser source has been swept quadratically in time for arbitrarily engineering the transition probabilities. The results show that complete and robust population transfer could be selectively achieved by appropriate adjusting of the laser chirping parameter, the center frequency and the coupling strength which the time of the complete transition could be drastically decreased compared to linearly traditional chirped laser. Furthermore, another feature of using the quadratically chirped laser is the stimulation of intermediate transitions under the nonadiabatic passage. * hosseini@sutech.ac.ir 2

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Section: Introductionmentioning

confidence: 99%

“…Furthermore, in many works, the effects of perturbation on the population transfer including dephasing and dissipation problems, environmental effects such as noise and the temperature effect have been investigated [52][53][54][55][56].…”

Section: Introductionmentioning

confidence: 99%