A toy model of a macroscopic quantum coherent system

R. Muñoz-Vega; J. J. Flores-Godoy; G. Fernández-Anaya; E. Salinas-Hernández

doi:10.1088/0143-0807/34/2/393

A toy model of a macroscopic quantum coherent system

R. Muñoz-Vega, J. J. Flores-Godoy, G. Fernández-Anaya, E. Salinas-Hernández

Escuela Superior de Cómputo (ESCOM)

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

This paper deals with macroscopic quantum coherence while using only basic quantum mechanics. A square double well is used to illustrate Leggett-Caldeira oscillations. The effect of thermal radiation on two-level systems is discussed. The concept of decoherence is introduced at an elementary level. Reference values are deduced for the energy, temperature and time scales involved in macroscopic quantum coherence.

Original language	English
Pages (from-to)	393-414
Number of pages	22
Journal	European Journal of Physics
Volume	34
Issue number	2
DOIs	https://doi.org/10.1088/0143-0807/34/2/393
State	Published - Mar 2013

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AB - This paper deals with macroscopic quantum coherence while using only basic quantum mechanics. A square double well is used to illustrate Leggett-Caldeira oscillations. The effect of thermal radiation on two-level systems is discussed. The concept of decoherence is introduced at an elementary level. Reference values are deduced for the energy, temperature and time scales involved in macroscopic quantum coherence.

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A toy model of a macroscopic quantum coherent system

Abstract

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