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en.wikipedia.org/wiki/Quantum_field_theory

In theoretical physics, quantum field theory (QFT) is the theoretical framework for constructing ... Ordinarily, quantum mechanics (QM) cannot give an account of photons which ... Since photons have rest mass zero, and correspondingly travel in the vacuum ... The basic idea was that in QFT the electromagnetic field should be ...

www.answers.com/Q/Since_magnetic_field_lines_are_just_constructs_the_field_cannot_contain_energy

Since magnetic field lines are just constructs the field cannot contain energy? ... A magnetic field line can be thought of as consisting of lines of force. The forces ...

www.physicsclassroom.com/class/estatics/Lesson-4/Electric-Field-Lines

Since electric field is a vector quantity, it can be represented by a vector arrow ... Not only does the density of lines surrounding any given object reveal ... Consequently, the lines representing the field cannot cross each other at any given location in space ... But what if a region of space contains more than one point charge?

profmattstrassler.com/articles-and-posts/particle-physics-basics/mass-energy-matter-etc/matter-and-energy-a-false-dichotomy

Apr 12, 2012 ... The term Dark Energy confuses the issue, since it isn't (just) energy after all. ... All particles are ripples in fields and have energy; photons are not .... you can't have an elementary particle without a field, but you can have a ..... But no one has any practical reason to try to construct large amounts of anti-matter.

physics.ucf.edu/~roldan/classes/Chap27_PHY2049.pdf

An object that contains Fe is not by itself magnetized, it can be attracted by either the north ... You can draw magnetic field lines just like you drew electric field lines . .... Magnetic force perpendicular to v → it cannot change the ... Bainbridge was able to construct a device that ... After this, in the region of B' particles with m. 2. >.

www.wyzant.com/resources/lessons/science/physics/magnetism

“There are no magnetic monopoles.” One important property that .... What rule determines the direction of magnetic field lines? A. left-hand rule. B. right-hand ...

solarscience.msfc.nasa.gov/papers/garyga/StretchingPaper.pdf

By Correlating Parameterized Magnetic Field Lines. With Observed Coronal Plasma ... region cannot be obtained since there is no closed form solution for .... region field and the plasma it contains, by reconstructing the coronal field using a ... indicates that magnetic field energy (derived from the line-of-sight field only) is not ...

www.springer.com/cda/content/document/cda_downloaddocument/9789400745575-c2.pdf?SGWID=0-0-45-1335104-p174316382

the velocity distribution of the particles contained in the volume element considered (Sect. .... After integration of the equation over time t from t0 to t (in position, from ... Only the electric field can “heat” the charged particles, i.e., give them energy. 2.2 Analysis of ..... the magnetic field line (referred to as the guiding centre). Fig.

sciencing.com/increase-strength-electromagnet-4461184.html

Apr 24, 2017 ... The magnetic field inside the coil, produced when current is flowing, ... that the magnetic lines of force have to travel through air to complete the ... Air has a high reluctance to the flow of magnetic energy -- reluctance is analogous to ... you to increase the voltage to strengthen the magnetic field, but you can't ...