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...ds to the total energy (''i.e.'' both the kinetic energy and the potential energy) of the physical system. In 1833 Sir [[William Rowan Hamilton]] introduced ...nction|Green's function]] is derived and used to calculate the interaction energy. ...

...ed to conclude that the surrounding medium contains at least a part of the energy, and that it is capable of transferring it from point to point. ** {{cite journal|title=XV. On the transfer of energy in the electromagnetic field|journal=Philosophical Transactions of the Roya ...

...' two substances, or even between one substance and a vacuum. This surface energy arises from the fact that atoms (or molecules, or ions) of a given substanc ...>R^3</math>, the only minimizing cones are planes. For anisotropic surface energy functions, we give here a catalog of 12 types of embedded minimizing cones, ...

...asily change the phases of vibration in such a manner that the transfer of energy begins, which then means amplification of the vibration. ...

...r, a Yang-Mills field for a bundle over ''R''⁴ which has finite energy may be extended to a smooth field over ''R''⁴ <math>\cup</math> ...

...ed in a transition ''n → m'' is given by Einstein’s formula ''E = hν'' and energy conservation by <math>\nu=(E_m-E_n)/h</math>. … Bohr’s formulas could be us ...

...mulation of these principles leads to an important conception, that of the energy tensor, which is important of the further development of the theory of rela ...enomena it appears to follow with certainty that a finite system of finite energy can be completely described by a finite set of numbers (quantum numbers). T ...

...ing the Fermi statistics and occupying the region of phase space of lowest energy. This region of phase space is assumed to be saturated, with two electrons ...r the [[w:Current vector|current vector]] and the [[w:Stress–energy tensor|energy-momentum tensor]]. These considerations will be extended in the present pap ...

...The last 5 billion years of accelerated expansion represents the {{w|dark energy}} dominated era, as [[w:Parametrization|parametrized]] by the variable, {{w ...1931. The cosmological constant is the simplest possible form of {{w|dark energy}}, since it is constant in both space and time. This leads to the current s ...

...cs]]''' is a branch of physics that studies the movement of energy and how energy instills movement. It studies the effects of changes in temperature, pressu ...the other direction with practice leading theory. The sweeping concepts of energy, heat, work and entropy, which thermodynamics (and its later form, [[w:Stat ...

...suggested that one should take the complete interaction, not just the self-energy tens, and use it for a theory of superconductivity. ...

...Λ indicates [[Einstein]]’s cosmological constant (or more generally, dark energy), and CDM stands for cold dark matter. ... The most remarkable feature of t ...

...wski space-time and the expectation value of the normal-ordered {{w|Stress–energy tensor#Covariant and mixed forms|''T_μν''}} is taken. The same id ...butions arising from {{W|Lorentz invariance}}, the absence of {{w|negative energy}} states and the {{w|positive definiteness}} of the scalar product are dete ...

...wo fundamental theorems of the mechanical theory of heat.<br />1. '''''The energy of the universe is constant''.'''<br />2. '''''The entropy of the universe ...r />The quantity T is the kinetic energy of the system... that part of the energy which is due to the motion of the parts of the system. ...In the second ter ...

...speaking, action was thus in the nature of the product of a duration by an energy contained in a volume of space. On no account may this action be confused w ...accepted. Inasmuch as this principle includes that of the conservation of energy, we can understand why the principle of action was often referred to as the ...

...sonate in the ''s''-channel, a fact which is potentially important in high-energy neutrino experiments and conceivably relevant in explaining the recently re ...roducing the concept of "gluon connectedness," we calculate the density of energy levels for a wide class of probability distributions governing the random t ...

...the number of photons in a particular state in a box or the number of the energy level associated with a particular mode of oscillation of the electromagnet ...

...um, whereas <math>\alpha</math> = 1 describes a spectrum in which the same energy is emitted in every logarithmic frequency interval. ...

...= \rho_p, \quad</math> ...17(15)</center> where <math>\rho_p</math> is the energy per unit volume of the incident radiation. ...[C]onsider the radiation pres * [http://math.ucr.edu/home/baez/uncertainty.html The Time-Energy Uncertainty Relation], [http://math.ucr.edu/home/baez/ John Baez ], U Calif ...

* The next thing we want to do with those particles is to give them some energy. That's the basics of how an accelerator works. I've got a machine here cal ...repelled, and there's force there, they're pushed away and they gain some energy... [I]n the case of an accelerator we'll get our particles... going faster ...