Self-Accelerating Dirac particles and prolonging the lifetime of relativistic fermions

Ido Kaminer, Jonathan Nemirovsky, Mikael C. Rechtsman, Rivka Bekenstein, Mordechai Segev

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

The Aharonov-Bohm effect predicts that two parts of the electron wavefunction can accumulate a phase difference even when they are confined to a region in space with zero electromagnetic field. Here we show that engineering the wavefunction of electrons, as accelerating shape-invariant solutions of the potential-free Dirac equation, fundamentally acts as a force and the electrons accumulate an Aharonov-Bohm-type phase-which is equivalent to a change in the proper time and is related to the twin-paradox gedanken experiment. This implies that fundamental relativistic effects such as length contraction and time dilation can be engineered by properly tailoring the initial conditions. As an example, we suggest the possibility of extending the lifetime of decaying particles, such as an unstable hydrogen isotope, or altering other decay processes. We find these shape-preserving Dirac wavefunctions to be part of a family of accelerating quantum particles, which includes massive/massless fermions/bosons of any spin..

Original languageEnglish (US)
Pages (from-to)261-267
Number of pages7
JournalNature Physics
Volume11
Issue number3
DOIs
StatePublished - Mar 6 2015

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fermions
life (durability)
electrons
hydrogen isotopes
paradoxes
relativistic effects
Dirac equation
preserving
contraction
electromagnetic fields
bosons
engineering
decay

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Kaminer, Ido ; Nemirovsky, Jonathan ; Rechtsman, Mikael C. ; Bekenstein, Rivka ; Segev, Mordechai. / Self-Accelerating Dirac particles and prolonging the lifetime of relativistic fermions. In: Nature Physics. 2015 ; Vol. 11, No. 3. pp. 261-267.
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Self-Accelerating Dirac particles and prolonging the lifetime of relativistic fermions. / Kaminer, Ido; Nemirovsky, Jonathan; Rechtsman, Mikael C.; Bekenstein, Rivka; Segev, Mordechai.

In: Nature Physics, Vol. 11, No. 3, 06.03.2015, p. 261-267.

Research output: Contribution to journalArticle

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