The Time Energy Uncertainty Relation

Research output: Chapter in Book/Report/Conference proceedingChapter

Author(s)

  • P Busch
  • J.G. Muga (Editor)
  • R. Sala Mayato (Editor)
  • Í.L. Egusquiza (Editor)

Department/unit(s)

Publication details

Title of host publicationLecture Notes in Physics
DatePublished - 2008
Pages73-105
Number of pages33
PublisherSpringer Berlin / Heidelberg
Place of PublicationBerlin, Heidelberg
Volume734
Edition2nd
Original languageEnglish

Abstract

The time-energy uncertainty relation ¿T¿E=h/4p (3.1) has been a controversial issue since the advent of quantum theory, with respect to appropriate formalisation, validity, and possible meanings. Already the first formulations due to Bohr, Heisenberg, Pauli, and Schrödinger are very different, as are the interpretations of the terms used. A comprehensive account of the development of this subject up to the 1980s is provided by a combination of the reviews of Jammer [1], Bauer and Mello [2], and Busch [3, 4]. More recent reviews are concerned with different specific aspects of the subject: [5, 6, 7]. The purpose of this chapter is to show that different types of timetextendashenergy uncertainty relation can indeed be deduced in specific contexts, but that there is no unique universal relation that could stand on equal footing with the positiontextendashmomentum uncertainty relation. To this end, we will survey the various formulations of a timetextendashenergy uncertainty relation, with a brief assessment of their validity, and along the way we will indicate some new developments that emerged since the 1990s (Sects. 3.3, 3.4, and 3.6). In view of the existing reviews, references to older work will be restricted to a few key sources. A distinction of three aspects of time in quantum theory introduced in [3] will serve as a guide for a systematic classification of the different approaches (Sect. 3.2).

    Research areas

  • Mathematical Physics

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