A toy model of a macroscopic quantum coherent system

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

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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. © 2013 IOP Publishing Ltd.
Original languageAmerican English
Pages (from-to)393-414
Number of pages351
JournalEuropean Journal of Physics
DOIs
StatePublished - 1 Mar 2013

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