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.
1
vote
1answer
95 views
Surface tension of N non-mixing fluids
I am a mathematician, not a physicist, so please be gentle with me if I write something wrong.
Consider a bounded, regular container $\Omega$, which is filled with the fluids $F_1,...,F_N$ which do ...
0
votes
1answer
348 views
Deriving an Expression for Entropy
How to derive an expression for entropy in form of
$S = \ln \Omega$
from the form
$\displaystyle{S = - \sum_i \; p_i \ln p_i}$ ?
That is the last formula taken as a definition of entropy.
Just a ...
3
votes
3answers
316 views
About constructing potential energy functions
There are many classical systems with different potential functions. My problem is that I do not understand how one can construct a certain potential function for a certain system. Are there any ...
4
votes
0answers
94 views
Relation between isophotal radius and virial radius in spiral galaxies?
Is there any (proposed) relation between the B-band isophotal radius of a spiral galaxy and its virial radius (r_200)?
If you know of such a relation, please post a reference paper.
1
vote
0answers
77 views
Can we use only the observables of Fermion fields?
There are legion ways to consider fermionic Dirac spinor fields, but is it possible to consider the asymptotic free field only in terms of observables, which in the case of the Dirac spinor field must ...
8
votes
0answers
121 views
Intuitive sketch of the correspondence of a string theory to its limiting quantum field theory
I'm looking for an intuitive sketch of how one shows the correspondence of string theory to a certain QFT. My best guess is that one calculates the scattering amplitudes in the string theory as a ...
8
votes
1answer
73 views
Many body quantum states analyzed as probabilistic sequences
Measurements of consecutive sites in a many body qudit system (e.q. a spin chain) can be interpreted as generating a probabilistic sequence of numbers $X_1 X_2 X_3 \ldots$, where $X_i\in ...
6
votes
2answers
553 views
Sources to learn about Greens functions
For a physics major, what are the best books/references on Greens functions for self-studying?
My mathematical background is on the level of Mathematical Methods in the physical sciences by Mary ...
2
votes
2answers
363 views
Axiomatic statistical mechanics
Ive read a few courses on statistical mechanics, and while their textual explanations and example choices differ, the flow of information from microscopy to macroscopy seems the same, and reading ...
2
votes
3answers
403 views
Hilbert space and Lie algebra in quantum mechanics
We are looking for a publication or website that explains the Standard Model in terms of Hilbert space and Lie algebra.
We are reading Debnath's Introduction to Hilbert Spaces and Applications and ...
4
votes
0answers
48 views
functional representations of free quantum fields
The free real quantum field, satisfying $[\hat\phi(x),\hat\phi(y)]=\mathrm{i}\!\Delta(x-y)$, $\hat\phi(x)^\dagger=\hat\phi(x)$, with the conventional vacuum state, which has a moment generating ...
6
votes
1answer
49 views
References for phase-transitions in supersymmetric field theory
Apart from other reasons, recently my interest in this area got piqued when I heard an awesome lecture by Seiberg on the idea of meta-stable-supersymmetry-breaking.
I am looking for references on ...
1
vote
1answer
470 views
Earth as approximate inertial frame of reference
In many practical applications one can consider the earth approximately as inertial reference system (though it is non inertial).
Is there any quotable reference, where this claim is supported by a ...
1
vote
2answers
104 views
Physics related Podcasts [duplicate]
Possible Duplicate:
Are there any good audio recordings of educational physics material?
In the same way that was already asked about good books of Physics in this StackExchange, I would ...
3
votes
1answer
89 views
Is there any literature that compares the candle-power to the candela?
I am unable to find anything in the literature to back up the claim that appears all over the internet that:
...
5
votes
2answers
511 views
Why is spacetime near a quantum black hole approximately AdS?
In this link, one of the answers contains the statement
If you examine the space-time near a finite area quantum black hole,
you will see an approximate AdS space.
Presumably "approximate" ...
0
votes
0answers
130 views
Journals on mathematics similar to the American Journal of Physics and the Physics Teacher [closed]
For the moderators: Please feel free to transfer this question to math.stackexchange if you find that it does not fit physics.stackexchange.
It is known that American Journal of Physics and the ...
9
votes
4answers
300 views
Applications of Geometric Topology to Theoretical Physics
Geometric topology is the study of manifolds, maps between manifolds, and embeddings of manifolds in one another. Included in this sub-branch of Pure Mathematics; knot theory, homotopy, manifold ...
6
votes
2answers
288 views
Wilson/Polyakov loops in Weinberg's QFT books
I wanted to know if the discussion on Wilson loops and Polyakov loops (and their relationship to confinement and asymptotic freedom) is present in the three volumes of Weinberg's QFT books but in some ...
7
votes
2answers
116 views
Simulation of QED
Can anyone point me to a paper dealing with simulation of QED or the Standard Model in general? I will particularly appreciate a review paper.
7
votes
2answers
51 views
“tmf(n) is the space of supersymmetric conformal field theories of central charge -n”
I read this intriguing statement in John Baez' week 197 the other day, and I've been giving it some thought. The post in question is from 2003, so I was wondering if there has been any progress in ...
9
votes
4answers
322 views
The Schwinger model
The Schwinger model is the 2d QED with massless fermions. An important result about it (which I would like to understand) is that this is a gauge invariant theory which contains a free massive vector ...
0
votes
0answers
695 views
Studying from “Berkeley Physics Course Volume I - Mechanics”
I'm a first year physics student and the main source for our Physics I course is "Berkeley Physics Course - Volume I."
I'm having a hard time understanding this book because it assumes a pretty high ...
4
votes
0answers
78 views
Can the Lamb shift be expressed in more-or-less closed form in terms of the renormalized 2-, 3-,…,n-point VEVs of QED?
I see here that there are three contributions to the Lamb shift, from vacuum polarization (-27 MHz), from electron mass renormalization(+1017 MHz), and from the anomalous magnetic moment (+68 MHz).
...
4
votes
2answers
256 views
Why model space with real numbers?
Are there any good papers discussing why we use $\mathbb{R}^{3}$as a model for space? More specifically are there any that explain why we don't use other number systems such as extensions of the real ...
4
votes
4answers
836 views
That 10km/day error predicted if GPS satellite clocks not corrected for relativity
Some authorities have stated publicly and without explanation that if the theories of Special and General Relativity were not taken into account in the design of the GPS (by building the satellite ...
12
votes
2answers
50 views
Numerical Analysis of Elliptic PDEs
I am looking for an elementary reference regarding issues of stability in numerical analysis of non-linear elliptic PDEs, particularly using the finite difference method (but something more ...
-1
votes
1answer
250 views
What is the magnetic susceptibility of NdFeB?
NdFeB is one of the most popular materials used for making permanent magnets. Yet I could find no link or reference reporting a decent value for the magnetic susceptibility of NdFeB.
Magnetic ...
5
votes
1answer
37 views
Optimality of the CHSH strategy
The maximum achievable probability of the Clauser-Horne-Shimony-Holt game is $\cos^2(\pi/8)\approx85.355\%,$ which can be proved with Tsirelson's inequality. But I don't imagine that this remained ...
4
votes
2answers
45 views
What videos should everyone watch?
Similar to this cstheory question "What videos should everyone watch?" What conferences, workshops or lectures have recordings that researchers in theoretical physics should watch?
1
vote
0answers
69 views
Reference request: Introductions to current mathematics derived from / related to gauge theories (in physics) [duplicate]
I was searching for introductions to current mathematics derived from / related to gauge theories in physics.
Can someone suggest some good references?
E.g.
Topics in Physical Mathematics by K. ...
4
votes
1answer
35 views
Convexity — reference request
I've been reading a few papers on generalized probabilistic theories, and have been struggling through proofs of some results that involve use of convexity and group theory, e.g. this paper on bit ...
9
votes
3answers
135 views
Hilbert-Schmidt basis for many qubits - reference
Every density matrix of $n$ qubits can be written in the following way
$$\hat{\rho}=\frac{1}{2^n}\sum_{i_1,i_2,\ldots,i_n=0}^3 t_{i_1i_2\ldots i_n} ...
0
votes
1answer
406 views
The shear stress assumption in Navier Stokes
Viscous fluid mechanics starts with the assumption that shear stress is
linearly related to velocity by $$\tau = \mu\frac{du}{dy},$$ but it later
turns out that some forces in high speed situations go ...
12
votes
2answers
174 views
Possible research implications of proof of John Cardy's a-theorem in QFT
According to this recent article in Nature magazine, John Cardy's a-theorem may have found a proof.
Question:
What would the possible implications be in relation to further research in QFT?
...
3
votes
1answer
186 views
WKB approximation to loop diagrams
I'm a bit confused with the terminology here.
This paper claimed to use WKB method to calculate the usual loop diagrams. Notice that the vertex is approximated by expanding around the classical ...
1
vote
1answer
250 views
How many different formulations of QM currently exist?
I read some while ago that, currently, eleven different formulations of quantum mechanics exist. Is this correct / accurate? If yes, can someone provide a pointer(s) (i.e. link(s)) to the various ...
6
votes
1answer
69 views
Quantum mechanics as a Markov process
I am currently involved in some understanding on this matter with a colleague of mine. I know all the literature about but I do not know the state of art. Please, could you provide some relevant ...
1
vote
1answer
157 views
Quantum Mechanics Video lectures
Are there any good video lectures for learning quantum mechanics at the level of Griffith?
0
votes
2answers
227 views
Physics textbooks reference request [duplicate]
Possible Duplicate:
Book recommendations
I am currently in the 11th grade (I am an Indian student) and I am looking forward to studying pure mathematics and theoretical physics in the ...
8
votes
0answers
36 views
Minimal strings and topological strings
In http://arxiv.org/abs/hep-th/0206255 Dijkgraaf and Vafa showed that the closed string partition function of the topological B-model on a Calabi-Yau of the form $uv-H(x,y)=0$ coincides with the free ...
4
votes
0answers
230 views
What is the 2-point correlation function of the electron field in QED?
The Feynman propagator for the free electron field is the Fourier transform w.r.t. $y$ of the time-ordered 2-point VEV $\left<0\right|\mathcal{T}[\hat\psi(x)\hat\psi(x+y)]\left|0\right>$, taking ...
11
votes
2answers
130 views
Literature on fractal properties of quasicrystals
At the seminar where the talk was about quasicrystals, I mentioned that some results on their properties remind the fractals. The person who gave the talk was not too fluent in a rigor mathematics ...
7
votes
1answer
78 views
Characters of $\widehat{\mathfrak{su}}(2)_k$ and WZW coset construction
I am currently studying affine Lie algebras and the WZW coset construction. I have a minor technical problem in calculating the (specialized) character of $\widehat{\mathfrak{su}}(2)_k$ for an affine ...
14
votes
6answers
310 views
Classic Literature in Quantum Gravity?
I've seen it said in various places that a major reason people like string theory as a theory of quantum gravity is that it does a good job of matching our prejudices about how a quantum gravity ...
2
votes
1answer
437 views
Hyperfine structure vs Lamb shift in the hydrogen atom
The hyperfine structure of the energy levels of the hydrogen atom refers to the shifts in the evergy levels due to the magnetic moments of the nucleus and of the electron. This is an effect of ...
5
votes
2answers
597 views
Recommendations for time-line and road map in graduate school towards specializing in Maldacena's conjecture
This question was asked on Theoretical Physics Stackexchange and was grossly misread and closed.
I am again posting the question here hoping to get some valuable insights.
Also some people were ...
6
votes
2answers
317 views
Analogue of Princeton Companion to Mathematics for Physics?
I would like to know if there are compendiums much like the Princeton Companion to Mathematics for physics (especially classical physics: fluid mechanics, elasticity theory, Hamiltonian formalism of ...
3
votes
1answer
241 views
LQG Demystified Book?
Does a similar easy to read introduction like David Mc Mohan s Demystified books exist for LQG? I d like something easier to start with than a paper but deeper than a popular book...
16
votes
3answers
93 views
Paper listing known Seiberg-dual pairs of N=1 gauge theories
Is there a nice list of known Seiberg-dual pairs somewhere? There are so many papers from the middle 1990s but I do not find comprehensive review. Could you suggest a reference?
Seiberg's original ...
