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Questions related to Theoretical Physics
The interferometer mirrors used to detect gravitational waves are usually described as moving when a gravitational wave passes. This is an easy to understand explanation, but is it correct? Moving...
04 April 2016 2,082 30 View
Read 45 answers by scientists to the question asked by Mahmoud Awashra on Mar 20, 2016
20 March 2016 3,943 35 View
Hi people, I dont understand why when we apply the electric field to the metal Ef remains the same. Ef as translation energy of electrons remains the same but we accelerate the electrons with...
09 March 2016 1,903 3 View
In March 2012, Joseph Polchinski began to contemplate suicide — at least in mathematical form. A string theorist at the Kavli Institute for Theoretical Physics in Santa Barbara, California,...
07 March 2016 9,813 28 View
The document: DOI: 10.13140/RG.2.1.4285.9289 Mathematically the question is to determine all the transformations realized between some coordinate systems which have a physical reality for the...
03 March 2016 1,116 36 View
Does the electron gains any mass, after absorbing energy which is less than threshold energy. Photons are bundles of energy, if they add to an electron, they may convert into mass, from the...
03 March 2016 772 9 View
I want to know what are the chances or probability of getting a photon down converted into two photons in parametric down conversion process?
03 March 2016 10,116 1 View
Read 45 answers by scientists with 31 recommendations from their colleagues to the question asked by Mahmoud Awashra on Mar 20, 2016
03 March 2016 985 35 View
03 March 2016 2,435 3 View
Regions with high energy always have a tendency of flowing to regions of low energy to create an energy balance.
03 March 2016 3,279 8 View
03 March 2016 2,101 28 View
This is less a question, more a request for confirmation of my understanding of some reading I've done. Is the following true? For asymptotically flat solitons (generalisations of Bartnik and...
14 February 2016 3,479 5 View
I am looking at a Finite element problem which I dont know how to solve or what method is used best. The mechanism in question consists of two rigid links interconnected by a hinge in the origin...
09 February 2016 762 2 View
Is it a necessary condition to demand that the derivative makes the degree of the polynomial be decressed by one when we define a deformed derivative?
03 February 2016 7,197 2 View
References please. Could any one tell me which hybrid functional is the most computational expensive and which one is the least expensive to calculate accurate band gap of solids?
03 February 2016 1,707 3 View
General Relativity tells us about curvature of spacetime while Ricci Flow is a "heat equation of the metric". How related this two equations?
02 February 2016 5,557 4 View
This is a general question, I need some different explanations from the conventional ones.
02 February 2016 3,418 2 View
With 2 indices it's Aij=(Aij+Aji)/2+(Aij-Aji)/2 for GL(N).
02 February 2016 6,685 3 View
Hubble’s law doesn`t explain why distant objects were receding fastest. Conversely, a distant observer will see that the distant objects (those nearest to us) are receding fastest than those...
02 February 2016 3,639 29 View
For many years, there has been this idea of saying that nothing travels faster than the speed of light. Recently, people started to question this notion. Do we really have something that travels...
02 February 2016 1,576 13 View
QUESTION *********Short version************ How to calculate the local electrostatic potential near metal surface (covered by oxide layers) and between two metal surfaces with imposed bias...
02 February 2016 2,125 0 View
Macroscopic gravitational wave is already established, now that we have a direct observation of it. Can we observe a microscopic version of it? How about a soliton type gravitational wave?
02 February 2016 4,763 2 View
Condensed fuki function of inorganic molecules
02 February 2016 4,645 2 View
The 'standard model' of theoretical physics says the basic forces are transmitted between bodies and detectors by particles or fields, as speeds up to the velocity of light. The LIGO...
02 February 2016 3,331 28 View