![Physical Sciences Forum | Free Full-Text | On the Field Strength of Vacuum Energy and the Emergence of Mass Physical Sciences Forum | Free Full-Text | On the Field Strength of Vacuum Energy and the Emergence of Mass](https://pub.mdpi-res.com/psf/psf-07-00050/article_deploy/html/images/psf-07-00050-g003.png?1679475018)
Physical Sciences Forum | Free Full-Text | On the Field Strength of Vacuum Energy and the Emergence of Mass
![The energy levels and electronic properties that are accessible by direct and inverse photoemission techniques. Evac and EF refer to the vacuum and Fermi level, respectively. The energy levels and electronic properties that are accessible by direct and inverse photoemission techniques. Evac and EF refer to the vacuum and Fermi level, respectively.](https://www.nist.gov/sites/default/files/styles/960_x_960_limit/public/images/2019/10/29/fig1.png?itok=5mwDvKIC)
The energy levels and electronic properties that are accessible by direct and inverse photoemission techniques. Evac and EF refer to the vacuum and Fermi level, respectively.
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Hoover Cylinder Vacuum Cleaner Bagged, H-Energy 300 with HEPA Filter, Long Reach, Green, [HE310HM] : Amazon.co.uk: Home & Kitchen
![Fermi level, work function and vacuum level - Materials Horizons (RSC Publishing) DOI:10.1039/C5MH00160A Fermi level, work function and vacuum level - Materials Horizons (RSC Publishing) DOI:10.1039/C5MH00160A](https://pubs.rsc.org/image/article/2016/MH/c5mh00160a/c5mh00160a-f1_hi-res.gif)