The vacuum field has been shown to vary in the lab but not in space. Here we present experimental data from multiple sources and our own research that support annual variations and also emission by the Sun.
© 2019 The Author(s)
You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.
Contact your librarian or system administrator
Login to access OSA Member Subscription