English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Plus monthly

Global: Zendy Tools annual

Global: Zendy Tools monthly

Global: Zendy Free Plan

We study linear-perturbation equations for the two-body system of a chargeddilaton black hole, of which dilaton coupling constant is $\alpha$, andelectrically and dilatonically charged massive particle at rest, of which massis $m$, electric charge $q$, and dilatonic charge $\beta m$. We find that aconsistent condition for the coupled equations corresponds to the equilibriumcondition of the test particle. The expressions of classical fields are givenin closed analytical formulas in the most interesting case with $\beta=\alpha$.We examine the electrical field around a charged dilaton black hole especiallyin the limit of the maximum electric charge and we find the electric Meissnereffect which has been found for the Reissner-Nordstr\"om black hole in theEinstein-Maxwell system.

Electric and dilatonic fields of a charged massive particle at rest in the field of a charged dilaton black hole