Energy density of charged capacitor via QFT

Level: High School
Thread starter Spinnor
Start date Jul 4, 2016
Tags

Capacitor Charged Density Energy Energy density Qft

Join the discussion

Registration is free. Start your own thread to ask a follow-up.

1 reply · 1K views

Spinnor

Gold Member

Thread starter
Jul 4, 2016

From the view point of quantum field theory how does one describe the electromagnetic energy density between the plates of a charged capacitor?

Thanks!

Physics news on Phys.org

Ultrathin materials could make quantum light circuits programmable
Spin rephasing helps quantum memories store single-photon states longer for future networks
Discovery confirms rare, switchable electrical property in widely used electronics material

Discussion

Paul Colby

Science Advisor

Insights Author

Jul 5, 2016

When using the coulomb gauge, a static electric field appears as a classical field component.

sidebar

Energy density of charged capacitor via QFT

Discussion

Similar threads

Graduate Interpreting the energy density of QFT vacuum states

Graduate Asymmetrically charged capacitor

What Is the Correct Calculation of Energy Density in a Charged Capacitor?

High School Energy Stored in Charged Capacitor: Kaluza-Klein Theory

Graduate Quantum Interest Conjecture and negative energy-density

Undergrad Kaluza–Klein metric, space between charged capacitor?

Graduate Pulling apart a charged capacitor and Poynting theorem.

A charged capacitor when connected to uncharged one

Force between the plates of a charged capacitor

Uncharged capacitor connected to a charged capacitor