Use this tag for questions seeking a single specific paper or a short, non-open-ended list of references, like "What paper first discovered X?", "Where can I find the original derivation of X?", or "What is the canonical source for X?" etc.
3
votes
0answers
140 views
How to build a lab at home/school? (general purpose, sophisticated, reliable and cheap) [closed]
The title includes the main objective and all the criteria; namely:
A. A lab is to be built.
B. It must adhere to the following criteria:
Reasonably cheap for a limited-fund ...
4
votes
1answer
98 views
What Cat States of light have been experimentally produced?
I'm specifically looking for Schrödinger's Cat states involving superpositions of two, or if it's been done more, coherent states, i.e. monomodal states of the form ...
3
votes
0answers
63 views
Kolgomorov entropy issues
I am long been confused by these entropy terms. Would be obliged if an explanation is provided in less technical jargon
What are the differences between Shannon's entropy, topological entropy and ...
4
votes
2answers
257 views
Hamiltonian mechanics and special relativity?
Is there a relativistic version of Hamiltonian mechanics? If so, how is it formulated (what are the main equations and the form of Hamiltonian)? Is it a common framework, if not then why?
It would be ...
2
votes
1answer
68 views
How do we deal with Gribov ambiguities when calculating in quantum gauge theories?
How do we deal with Gribov ambiguities when actually calculating in quantum gauge theories? Any literature references?
7
votes
4answers
348 views
Hamiltonian and the space-time structure
I'm reading Arnold's "Mathematical Methods of Classical Mechanics" but I failed to find rigorous development for the allowed forms of Hamiltonian.
Space-time structure dictates the form of ...
4
votes
5answers
575 views
Introduction to differential forms in thermodynamics
I've studied differential geometry just enough to be confident with differential forms. Now I want to see application of this formalism in thermodynamics.
I'm looking for a small reference, to learn ...
4
votes
0answers
38 views
Experimental tests of Cluster Decmposition
How tight are experimental and astrophysical tests on whether Cluster Decomposition is satisfied at various space-like separations?
Is there a review paper or a standard reference on the question?
I ...
1
vote
0answers
61 views
Reference request: FLRW with k>0, dust, and positive cosmological constant
The exact solution representing a FLRW universe with $k>0$ and dust (p=0), and $\Lambda=0$, is described by a cycloid. What is the exact solution for dust, in the presence of a positive ...
2
votes
1answer
100 views
Reference request for low entropy big bang
There is a somewhat widely accepted argument that the second law of thermodynamics exists because the universe began in a low-entropy state. I'm writing a paper that mentions this (and must be ...
7
votes
6answers
853 views
What is a tensor?
I have a pretty good knowledge of physics but couldn't understand what a tensor is. I just couldn't understand it, and the wiki page is very hard to understand as well. Can someone refer me to a good ...
0
votes
0answers
104 views
Time reversal symmetry and reversal of vectors
Firstly: I have been told that under time reversal transformations, i.e. $t\rightarrow -t$, vector fields must change sign. Why is this? I haven't found this in the literature, any references?
...
4
votes
2answers
176 views
Standard notation reference
I'm searching for a compresensive and somewhat complete list of suggested standard notation (the symbols one ought to use in (theoretical) physics and also mathematics).
Is there such a collection, ...
2
votes
1answer
115 views
Pressure loss after water goes up and back down 7 stories
I live on the first floor of a seven story apartment building. We are considering our hot water options and one of them is a solar-powered water heater in which water is heated in a specialised device ...
2
votes
2answers
149 views
Group rings in Physics
In my institute a few mathematicians work on Group Ring. Since it has close connection with representation theory, I thought that there must be some interesting connections of it with Physics. However ...
1
vote
2answers
72 views
$\Omega_{r}$ from WMAP results?
To do some Friedmann-Lemaître cosmology calculations, I would like to know an estimation of $\Omega_{r_0}$ ($\Omega$ radiation today). WMAP 7 give estimation of $\Omega_{b}$, $\Omega_{c}$ and ...
1
vote
4answers
160 views
Non linear QM and wave function collapse
I heard that there have been some propositions about describing the collapse of the wave-function by adding non-linear terms, but I couldn't anything in any any textbooks or even articles (probably ...
0
votes
0answers
22 views
Calculus Practice Book for Physicists [duplicate]
Possible Duplicate:
Best books for mathematical background?
I am a college senior looking to apply to graduate school in hopes of becoming a theoretical physicist. One of the things my ...
6
votes
1answer
105 views
Request for Reference: BRST formalism/transformations
Could anyone please suggest a very basic paper/reference/literature on BRST symmetry/formalism that requires rudimentary knowledge of Dirac's method for dealing with constrained systems and generation ...
0
votes
2answers
166 views
Why is plasma the highest “state” of matter?
As far as solid, liquid, gas, plasma go, why is plasma the highest state?
Are there any other states of matter?
1
vote
0answers
62 views
polynomial fit and uncertainty [closed]
I am trying to fit a polynomial function by least square method and I want to know the uncertainty on my fitting parameters. In which book can I find a clear answer?
3
votes
0answers
64 views
Known properties of a specific class of quantum states
Recently, I have been studying a quantum protocol for the "Hidden Matching" problem that makes use of states that can be expressed as
$|\psi\rangle=\frac{1}{\sqrt{n}}\sum_{i=1}^n ...
0
votes
0answers
78 views
Multivariable Calculus Book Reference [closed]
I am looking for a multivariable calculus book that is really physics oriented. Anyone know of any?
7
votes
2answers
447 views
Majorana zero mode in quantum field theory
Recently, Majorana zero mode becomes very hot in condensed matter physics.
I remember there was a lot of study of fermion zero mode
in quantum field theory, where advanced math, such as index ...
3
votes
1answer
119 views
How can you distinguish between projections of quantum states?
Consider this problem in quantum cryptography:
We have two pure states $\phi_1,\phi_2$ as input and constants $0 \leq \alpha <\beta \leq 1 $, where "Yes instances" are those for which ...
2
votes
1answer
167 views
A database for review literature in theoretical physics
Is there a database somewhere of the review literature (especially the most cited papers) in theoretical physics? I know about Spires but unfortunately it is not working. When I open a page it says ...
0
votes
1answer
162 views
A comprehensive reference for RF linear accelerator's operation
I'm doing a research on RF linear accelerators (RF Linac), but while studying the material I encountered many problems. I cannot understand the basics of the RF linear accelerators in many ways, for ...
4
votes
0answers
132 views
An introductory resource for learning AdS space
Can someone please point me to introductory resources about the geometry of Anti DeSitter Space ? What are some examples of other spaces used in theoretical physics ?.I'm learning Differential ...
6
votes
1answer
474 views
Are there good resources explaining mean field approximation?
I am a computer science master student. In a statistical learning theory course I am taking, mean field approximation was introduced to approximately solve non-factorizable Gibbs distributions that ...
3
votes
2answers
371 views
Where do I start with Non-Euclidean Geometry?
I've been trying to grok General Relativity for a while now, and I've been having some trouble. Many physics textbooks gloss over the subject with an "it's too advanced for this medium", and many ...
1
vote
1answer
117 views
Impervious nature of solid matter due to quantum degeneracy pressure
On Wikipedia the following statement is made without reference:
Freeman Dyson showed that the imperviousness of solid matter is due to
quantum degeneracy pressure rather than electrostatic ...
5
votes
1answer
354 views
Turbulence parameterization from gravity - fluid dynamics correspondence
I`m looking for a nice introductary reference that explains how the turbulence coefficient or any kind of turbulence parameterization (in view of applications to atmospheric turbulence for example) ...
1
vote
2answers
101 views
Reference needed for Iron-based superconductors
Iron-based superconductor is a class of high-$T_c$ superconductors discovered in 2008.
Are there any review papers about these superconductors yet? If not, which are the key papers in the field?
3
votes
0answers
135 views
Toda equations and surface operator
I would like to know the reason why the equation (14) in the paper by Yamada is called the Toda equation.
\begin{equation}
\left[\frac12\sum_{i=1}^N\left(y_i\frac{\partial}{\partial ...
3
votes
1answer
411 views
Introduction to Physical Content from Adjoint Representations
In particle Physics it's usual to write the physical content of a Theory in adjoint representations of the Gauge group. For example:
$24\rightarrow (8,1)_0\oplus (1,3)_0\oplus (1,1)_0\oplus ...
5
votes
1answer
93 views
Is there a review article that discusses the various suggestions for approaches to the Dirac spinor field?
I've come across many approaches to the Dirac spinor field over the years. A few have held more than passing interest but most of them are rather forgettable, so that I'd like to know of any reviews ...
3
votes
1answer
183 views
Looking for references about “operator mixing” (and anomalous dimensions)
I am looking for some pedagogic references about the idea of "operator mixing" and its associated concept about when anomalous dimension has to be thought of as a matrix.
For example this idea is ...
5
votes
3answers
296 views
Confusion regarding entropy, reference papers request
1.a In paragraph at Wikipedia/Entropy it is stated:
This is because energy supplied at a high temperature (i.e. with low entropy)
tends to be more useful than the same amount of energy
...
2
votes
2answers
29 views
Where can I find information on space navigation, and the people who pioneered it?
I'm doing a paper for school about space navigation. It's an interesting subject, but upon searching google, all I could find were non-detailed explanations of astrophysics that I think are meant for ...
0
votes
1answer
67 views
Learning about predicted interactions between black holes and tachyons
I'm a hobbyist reader/student looking for some reading material on the predicted effects of tachyons and black holes (or other ultra-high gravity wells). Are there any good links or references people ...
0
votes
0answers
208 views
Applications of Physics to other fields like Economics, Finance, Political Science, Sociology? [closed]
I know that Physics can be applied to other fields like Economics, Finance, Political Science, Sociology,etc. Can someone give me some examples of those applications that have been empirically tested ...
5
votes
0answers
63 views
Third-order susceptibilities of metals?
Can anyone point me to a source for measurements of the third-order nonlinear electric susceptibilities $\chi^{(3)}$ of various metals? Specifically in relation to the AC Kerr effect, so measurements ...
2
votes
1answer
104 views
Reference paper to support information — energy relation ($kT \ln2 \rm\frac{J}{bit}$)
In answer to Maxwell's Demon Constant (Information-Energy equivalence) there is stated that one bit of information allows to perform $kT \cdot \ln2$ Joules of work. Which paper supports the ...
15
votes
1answer
368 views
Minimum viscosity of liquids
In a lecture by Purcell he mentions that he notices that there aren't any liquids with viscosities much less than that of water, even though they go up seemingly unbounded. In an endnote (endnote 1 in ...
1
vote
0answers
50 views
What characterizations are available for two-photon Bell state light sources?
It is often technologically important to know how photon statistics change over time when a light source is turned on. A light source that comes to full intensity/visibility in a nanosecond after it ...
3
votes
1answer
70 views
Bifurcation of convection of fluid in container, when adding temperature
I once read a paper, in which:
a fluid in a container was heated from below,
after reaching temperature $T_1$, a circular motion (convection) was clearly distinguishable, in form of cylinder,
after ...
4
votes
1answer
226 views
How do we measure $i[\hat\phi(x),\hat\phi(y)]$ in QFT?
What operational procedure is required to measure $i[\hat\phi(x),\hat\phi(y)]$ in an interacting (or non-interacting) QFT? [assume smearing by test-functions, or give an answer in Fourier space, for ...
1
vote
0answers
46 views
Looking for description of Helstrom's measurement
I hope someone can help me find the page or chapter where Helstrom discusses his famous measurement for distinguishing between two mixtures in the textbook Quantum Detection and Estimation Theory.
...
5
votes
2answers
244 views
Reference request: Susskind-Glogower original paper
I'm trying to find Susskind and Glogower's original paper,
L. Susskind and J. Glogower, Quantum mechanical phase and time operator, Physics 1 (1964) 49-61,
where they propose their exponential ...
0
votes
3answers
374 views
Textbook on group theory to be able to start QFT
I am very enthusiastic about learning QFT. How much group theory would I need to master? Please could you recommend me a textbook on group theory, which would help me to start QFT?
