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.
0
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0answers
56 views
Relativistic canonical transformation
What is relativistic canonical transformation? I need every piece of information about it.
Does anyone know a reference or an article about relativistic canonical transformation?
For example, in ...
9
votes
2answers
306 views
What is the current state of research in quantum gravity?
I was browsing through this and was wondering what progress in quantum gravity research has taken place since the (preprint) publication.
If anyone can provide some helpful feedback I would be ...
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 ...
1
vote
1answer
32 views
Name of a state with $d-1$ excitations, distributed uniformly among $n$ qudits
Is there a particular name for a quantum state of the form (up to the normalization):
$$\sum_{i_1+\ldots+i_n = d-1} |i_1\rangle |i_2\rangle \ldots |i_n\rangle$$
or was it studied is some papers?
...
3
votes
3answers
355 views
Equations of fluid dynamics and differential geometry
Where can I look for equations of fluid motion written in terms of nifty things from differential geometry like exterior derivative, Hodge dual, musical isomorphism?
Preferably both with and without ...
6
votes
2answers
277 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 ...
0
votes
0answers
10 views
Electrical measurements on nanocale devices
Are there any references on protocols and techniques for electrical measurements on nanoscales devices and structures?
1
vote
0answers
10 views
Where does one find pair-correlation functions for various materials?
What is the canonical source for finding pair-correlation functions for atoms in various materials? I am interested in both numeric computations and experimental measurements (like might be obtained ...
5
votes
0answers
140 views
Readings of the detectors at Japan and Izu-Bonin-Mariana Trenches
Given the relevance of this subduction system, I would expect that a wide range of detectors (temperature, vibration, seismometers, whatever) are deployed in the depth of these trenches. What would be ...
-4
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0answers
45 views
Research Paper for relativistic mechanics [closed]
O. Klein, Z. Phys. , 37, 895906, 1926.
W. Gordon, Z. Phys. , 40, 117133, 19261927.
A. P. French, Special Relativity (The M.I.T. Introductory Physics Series), 1968.
I need to download these paper. ...
5
votes
2answers
264 views
English translation of Helmholtz' paper: “On the Physical Significance of the Principle of Least Action”
I am asking about an English translation of a Helmholtz paper:
Ueber die physikalische Bedeutung des Princips der kleinsten Wirkung. Journal für die reine und angewandte Mathematik (Crelle's ...
0
votes
1answer
96 views
Depression of Water Surface by a Needle
Given a needle of mass $m$ modeled by a cylinder of length $l$ and radius $r$ placed on an infinitely large water surface, what is
The maximum depression in the water surface; and
The equation of ...
5
votes
1answer
113 views
What is the first appearance of the MV (McLerran-Venugopalan) initial condition?
First a quick introduction for the unfamiliar: in saturation physics (my research field), a lot of theoretical work centers on the BK (Balitsky-Kovchegov) equation, which is a differential equation ...
0
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0answers
34 views
Quantum harmonic oscilator - book that does it all right [duplicate]
I am dealing with quantum harmonic oscillator.
In every single book or video i have checked out i can read how the mathematical technique for solving this Schrödinger equation:
$$
W\psi = - ...
6
votes
1answer
328 views
Number density of LO and LA phonons as a function of temperature?
I'd like to know the how the number density of longitudinal optical (LO) and longitudinal acoustic (LA) phonons varies as a function of temperature of the material. Is there a simple expression for ...
4
votes
0answers
33 views
Status of large-scale structure formation within cosmology today
Since the CMB results of the past decade, would it be fair to say that the consensus among cosmologists is that cosmic strings are no longer considered as a (major) source for density perturbations?
...
2
votes
0answers
47 views
Helicity for Zero Rest Mass Field Equations
I'm trying to reconcile the usual definition of the helicity operator, namely
$$ h = \hat{p}.S$$
with the definition of a massless helicity $n$ field as a symmetric spinor field $\phi^{A\dots B}$ ...
2
votes
2answers
144 views
Reference request for the Aharonov-Bohm effect
I am looking for a good reference to an online source or book, on the magnetic Aharonov-Bohm effect. I have read the appropriate sections from the book by Griffiths and Ballentine, and still haven't ...
2
votes
2answers
2k views
How is the Breit-Rabi formula derived?
Does anyone know how the Breit-Rabi formula (energy dependence of the hyper-fine splitting in presence of any external magnetic field for alkali atoms when $F=I \pm 1/2$) is derived, or where to find ...
6
votes
1answer
161 views
SUSY, ways to boost Chargino/Neutralino production?
Does anybody know a good reference that works out the equations for the Chargino/Neutralino production cross section in SUSY? I'm trying to understand if there are any tricks for boosting the ...
2
votes
1answer
123 views
Consistently oscillating micron sized particles in a liquid
I have an idea that would involve the measurement of an oscillating substance whilst the substance is immersed in a liquid. However, the method that I would use to measure the frequency of these ...
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 ...
7
votes
2answers
658 views
Modern and complete references for the $k\cdot p$ method?
I've recently started studying the $k\cdot p$ method for describing electronic bandstructures near the centre of the Brillouin zone and I've been finding it hard to find any pedagogical references on ...
-2
votes
1answer
681 views
How to calculate ground state wave function?
I have seen many ground state wave functions.
From where are they derived?
How can one calculate them?
Where can one find a list of all ground state wavefunctions discovered?
12
votes
6answers
1k views
Where should a physicist go to learn chemistry?
I took an introductory chemistry course long ago, but the rules seemed arbitrary, and I've forgotten most of what I learned. Now that I have an undergraduate education in physics, I should be able to ...
3
votes
4answers
143 views
Effects of surface roughness on specularity
Say you have a piece of glass, which looks specular if propery cut/polished. But if you sand the surface using say sand paper, it will look hazy and glossy. I'm wondering how much surface roughness ...
4
votes
7answers
454 views
Quantum information science references
I was hoping you guys could recommend reading material on Quantum Information Science. First off, here's my background.
Personally, I started reading Ballentine's Quantum Mechanics and I found it be ...
4
votes
0answers
117 views
Question about the HVZ theorem
In this paper1 the authors cite the HVZ theorem2 saying that it follows from the method used by M. Reed & B. Simon without modifications; I don't really understand this point.
Is there anyone who ...
2
votes
4answers
201 views
Modeling incoming solar radiation
I want to write a model for estimating incoming solar radiation for a specific latitude on earth but I am struggling to find an appropriate source which shows the required equations for doing so. ...
1
vote
1answer
85 views
Demonstrating Quantum effects with home experiments using green diode laser [closed]
I would like to preform home experiments to demonstrate quantum effects to my kids. I need a list of experiments on Laser photons that could be easily conducted at home to demonstrate quantum ...
2
votes
2answers
100 views
Where to find old papers, articles and preprints?
Question: How can I find physics papers, articles and preprints decades ago?
Description: The search of articles and papers is for the purpose of finding interesting phenomenon for a science project. ...
9
votes
4answers
317 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 ...
4
votes
0answers
67 views
Electric potential of a spheroidal gaussian
I'm looking for results that compute the electrostatic potential due to a spheroidal gaussian distribution. Specifically, I'm looking for solutions of equations of the form
$$
...
2
votes
0answers
31 views
Literature value of forward-backward asymmetry on the Z resonance?
I did a Standard Model calculation and I want to compare my answer to a measured value.
Does anyone know the literature value for the forward-backward asymmetry $\frac{\sigma_F - \sigma_B}{\sigma_F + ...
2
votes
0answers
185 views
condensed matter physics must reads [closed]
Possible duplicate:
Books for Condensed Matter Physics
I'm looking to learn more about cutting edge research in condensed matter theory.
I hope you'll help me find some recommended articles in ...
5
votes
1answer
353 views
Classical 3-body problem
There is a formulation of the classical 3-body Newtonian problem reducing this problem to 6 equations (e.g. http://www.3bproblem.blogspot.com). I would like to know where can I find a discussion or ...
1
vote
1answer
53 views
Classical second quantization paper by Jordan and Wigner - ref. request [closed]
I am looking for the following paper in electronic format (I can get it in hard copy from my university library).
P. Jordan and E. Wigner, Z. Phys. 47, 631 (1928)
Does anyone know how to find it?
10
votes
1answer
452 views
Entanglement in time
Quantum entanglement links particles through time, according to this study that received some publicity last year:
New Type Of Entanglement Allows 'Teleportation in Time,' Say Physicists at The ...
1
vote
1answer
227 views
Optical constants of noble metals: the Drude model for microwave modelling
I have a question regarding the optical constants of noble metals.
According to Johnson and Christy's paper Optical Constants of Noble Metals (Phys. Rev. B 6, 4370–4379 (1972), ...
0
votes
1answer
107 views
Microphones, Loudspeaker and their analogies to spring mass system
I have just started studying Microphones and Loudspeakers. I need a good text to refer which can explain their mechanical analogies with simplicity and basics too.
3
votes
1answer
42 views
References on wave solutions in continuum mechanics [closed]
I am interested in literature on known wave solutions in continnum mechanics, precisely the following mechanical equation:
$$\rho\partial_t^2u_i = C_{ijkl}\nabla_j\nabla_ku_{l}$$
My interest is spread ...
3
votes
3answers
331 views
How can I find a very old paper by W.L. Bragg from 1913?
I'm often looking for old physics papers that had a big impact on science (Nobel prize, for example). But I can't seem to find a lot of them. Is there a reason why some papers are not digitally ...
1
vote
1answer
123 views
A classically trivial quantum field theory of electromagnetism
Presumably there is a field theory of electromagnetism that classically gives trivial equations of motion, but when quantized shows interesting topological phenomena. I am talking about the Lagrangian ...
4
votes
1answer
230 views
First Chern number, monoples and quantum Hall states
The first Chern number $\cal C$ is known to be related to various physical objects.
Gauge fields are known as connections of some principle bundles. In particular, principle $U(1)$ bundle is said to ...
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.
7
votes
6answers
850 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 ...
51
votes
6answers
844 views
What are the justifying foundations of statistical mechanics without appealing to the ergodic hypothesis?
This question was listed as one of the questions in the proposal (see here), and I didn't know the answer. I don't know the ethics on blatantly stealing such a question, so if it should be deleted or ...
6
votes
2answers
536 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 ...
8
votes
0answers
120 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 ...
-4
votes
1answer
181 views
Is There a List of Physics Formulas? [closed]
I am looking for a list of simple physics formulas - like $F=ma$. Is there any website/book that is a list of such equations?
