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.
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1answer
439 views
The equipartition theorem in momentum space
Motivated by the answers to this question on turbulence, I'm interested in an explanation and/or derivation/reference of the equipartition theorem in momentum space. To formulate it as a question:
...
6
votes
1answer
346 views
Is microcausality *necessary* for no-signaling?
There are proofs in the literature that QFT including microcausality is sufficient for it not to be possible to send signals by making quantum mechanical measurements associated with regions of ...
6
votes
2answers
210 views
Dynamical supersymmetry breaking and Witten index
Witten index, defined as ${\rm Tr}(-1)^F$, makes know if supersymmetry is spontaneously broken or not for a given model. But it is known that supersymmetry can be also broken dynamically and one can ...
6
votes
1answer
50 views
States diagonal in the tensor product of Bell states.
Bell-diagonal states are 2-qubit states that are diagonal in the Bell basis. Since those states lie in $\mathbb{C}^{2} \otimes \mathbb{C}^{2}$, the Peres-Horodecki criterion is a sufficient condition ...
6
votes
2answers
563 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 ...
6
votes
1answer
187 views
How to quantize the free electro-magnetic field in 2d?
I am wondering how one can quantize the free electro-magnetic field
in the two dimensional space-time. The standard method of fixing the
Coulomb gauge in 4d does not seem to generalize immediately to ...
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 ...
6
votes
2answers
275 views
Statistical Mechanics treatment of the reaction process?
I'm searching for an at least semi-rigorous Statistical Mechanics description/treatment of a (spatially resolved) chemical reaction process of a macroscopic portion of at least two different species ...
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 ...
6
votes
2answers
265 views
What is known about quantum electrodynamics at finite times?
I'm aware that we can describe the time evolution of states/operators (choose your favourite picture) of non interacting quantum fields and that perturbation theory is very effective in computing S ...
6
votes
1answer
291 views
What are the 't Hooft papers about classical models underlying QM?
Gerard 't Hooft states in his webpage
I have mathematically sound equations that show how classical models generate quantum mechanics.
and there are some interesting discussions here in ...
6
votes
1answer
167 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 ...
6
votes
1answer
475 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 ...
6
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0answers
64 views
Flat Space Limit of AdS/CFT is S-Matrix Theory
In an answer to this question, Ron Maimon said:
The flat-space limit of AdS/CFT boundary theory is the S-matrix theory
of a flat space theory, so the result was the same--- the "boundary"
...
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 ...
5
votes
4answers
814 views
Atomic mass of Copper-63?
This URL lists the mass of Copper-63 as 62.9295975(6) and this other URL lists the mass as 62.939598. These values differ by almost exactly 0.01 which seems hard to explain by experimental error. ...
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votes
4answers
479 views
Study Quantum Physics
I'm an aspiring physicist who wants to self study some Quantum Physics. My thirst for knowledge is unquenchable and I can not wait 2 more years until I get my first quantum physics class in ...
5
votes
7answers
762 views
Evolution in the interpretation of the Dirac equation
As I understand, Dirac equation was first interpreted as a wave equation following the ideas of non relativistic quantum mechanics, but this lead to different problems.
The equation was then ...
5
votes
2answers
547 views
“Dear radioactive ladies and gentlemen” - Letter by Wolfgang Pauli
In 1930, Wolfgang Pauli wrote a letter to Lise Meitner for a convention in Tübingen, considering the problem of beta decay.
Does anybody know, where to find the original letter online ?
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votes
5answers
1k views
Curiosity Rover (MSL): specification / dimensions
I have been looking all over and I can't find a detailed specification about the Curiosity Rover.
The length is about 10 feet but it would be cool to find out the dimensions of the wheels, clearance ...
5
votes
1answer
268 views
Rigged Hilbert space and QM
Are there any comprehensive texts that discuss QM using the notion of rigged Hilbert spaces? It would be nice if there were a text that went through the standard QM examples using this structure.
5
votes
3answers
299 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
...
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 ...
5
votes
2answers
265 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 ...
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 ...
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" ...
5
votes
2answers
247 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 ...
5
votes
3answers
89 views
Analyticity and Causality in Relativity
A few weeks ago at a conference a speaker I was listening to made a comment to the effect that a function (let's say scalar) cannot be analytic because otherwise it would violate causality. He didn't ...
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) ...
5
votes
1answer
29 views
Gravitating sigma models
I am looking for a review or book on sigma models in (super)gravity theories, which arise from dimensional reduction.
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 ...
5
votes
1answer
166 views
What equation describes the electrostatic potential in these circumstances?
I have a solver for Poisson's equation and it works nicely. It uses finite differences. It works in the presence of multiple dielectrics.
It also solves the Poisson Boltzmann equation. That is, fixed ...
5
votes
1answer
355 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 ...
5
votes
1answer
220 views
Historical and philosophical reflexions about the concept of energy? [closed]
Perhaps you know the books:
Concepts of Mass in Contemporary Physics and Philosophy
Concepts of Force: A Study in the Foundations of Dynamics
by Max Jammer, which discusses mass and force from a ...
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 ...
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0answers
91 views
Positivity of Total Gravitational Energy in GR
I read the following statement in the introduction to an article:
Over the last 30 years, one of the greatest achievements in classical
general relativity has certainly been the proof of the ...
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 ...
5
votes
0answers
194 views
1-form formulation of quantized electromagnetism
In a perpetual round of reformulations, I've put quantized electromagnetism into a 1-form notation. I'm looking for references that do anything similar, both to avoid reinventing the wheel and perhaps ...
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 ...
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votes
7answers
459 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
2answers
464 views
Quantum Field Theory cross sections integrals
Where can I find some examples of cross sections calculations in QFT done step-by-step? Those integrals are a little horror. For example - a simple scalar+scalar -> scalar+scalar at the tree level in ...
4
votes
3answers
354 views
Unitarity of S-matrix in QFT
I am a beginner in QFT, and my question is probably very basic.
As far as I understand, usually in QFT, in particular in QED, one postulates existence of IN and OUT states. Unitarity of the S-matrix ...
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?
4
votes
2answers
262 views
What is a good reference for the quantum mechanical description of lasers?
I am currently taking a graduate level class on lasers. The primary focus of the class is on the design and engineering aspects of lasers, e.g. resonator design. However the first portion of the class ...
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 ...
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, ...
4
votes
1answer
187 views
Dimensional reduction and Schwarzschild solution
It is well-known that, given a Killing vector $\xi_\mu$ for a metric, this can be dimensionally reduced. This is exactly the case of the Schwarzschild solution due to the rotational symmetry. This ...
4
votes
2answers
259 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 ...
4
votes
1answer
28 views
Contents page of Exoplanets book
I can't find an online contents page for the book Exoplanets, edited by Sara Seager, University of Arizona Press, 2011.
Can you point to such a page, or say what the contents page says?
4
votes
2answers
565 views
Lowest gravity on Earth's surface?
I am trying to determine which on Earth's surface has the lowest gravity. Googling is not finding anything concrete. My natural inclination would be to think of Mount Chimborazo in Ecuador, being on ...
