Quenching of macroscopic quantum coherence and macroscopic Fermi-particle configurations View Full Text


Ontology type: schema:ScholarlyArticle      Open Access: True


Article Info

DATE

1997-12

AUTHORS

J.-Q. Liang, H. J. W. Müller-Kirsten, Jian-Ge Zhou

ABSTRACT

Starting from the coherent state representation of the evolution operator with the help of the path-integral, we derive a formula for the low-lying levels E = ε0 − 2Δ εcos(s + ξ)π in disagreement with the suppression of tunneling (i.e. Δε = 0)as claimed in the literature. A new configuration called the macroscopic Fermi-particle is suggested by the nature of its wave function. The tunneling rate \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\left( {\frac{{2\Delta \varepsilon }} {\pi }} \right)$$\end{document} does not vanish, not for integer spin s nor for a half-integer value of s, and is calculated explicitly (for the position dependent mass) up to the one-loop approximation. More... »

PAGES

525-529

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s002570050321

DOI

http://dx.doi.org/10.1007/s002570050321

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1033274668


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