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bio website physicsoverflow.org
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visits member for 3 years, 5 months
seen 7 hours ago

I am now active on PhysicsOverflow: a new higher-level physics site

Today, Physics SE is overmoderated by too many users who despite their > 3000 rep are not competent enough and overreach their state of physics knowledge, who are neither interested in nor knowledgeable about advanced (theoretical) topics at a technical level, but strongly represent the SE philosophy and goals. Legitimate technical questions (high-level ones too) are stigmated and closed as homework, fundamental physics questions are closed as philosophy, good/excellent questions are closed abusing any pretext on a regular basis. Some high rep users even explicitely attack legitimate TP topics. The same people who wrongly close good questions prevent anything from getting reopend too. My participation here has therefore stopped.

Since Ron Maimon has been driven away (by external SE forces against the will of the then on Physics SE active community) at the beginning of December 2012 and many other experts have left too, this is no longer the reasonably high level Physics.SE of physicists and physics enthusiasts I loved, enjoyed, and appreciated during almost two years.

Apart from the striking downgrading of the physics level (sporadic higher level questions about advanced topics get no longer answered and sometimes even downvoted or closed!) and the fact that fundamental physics topics I am interested in have disappeared, too many very bad things, which should not occur on a serious physics site that upholds the scientific integrity, are now happening on Physics SE on a regular basis. The dominant people in power being only interested in policing and blindly enforcing rules that are orthogonal to a free academic community, drives academics, active researchers and students of physics and astronomy away, and prevents the site from recovering from the heavy blow it had to take on December 2012.

Experts are not taken serious, they have nothing to say for example about what questions are allowed, people interested in doing advanced higher level physics are no longer welcome, trolling about legitimate mainstream (theoretical) physics is allowed or even endorsed as it gets upvoted by the crowd and even supported by certain moderators. This makes asking question on Physics SE about some in principle legitimate fundamental physics topics no longer a good idea.


Aug
14
comment Variations of S-matrix functional and Feynman diagrams in Weinberg QFT
Hi @AndrewMcAddams you can just write a mail to me or to admin@physicsoverflow.org and we will send to you temporary access data for the account you already have there.
Aug
14
comment Variations of S-matrix functional and Feynman diagrams in Weinberg QFT
Some explanations and clarifications are given here
Aug
12
comment Faddeev-Popov Ghosts
A more intuitive explanation can be read here
Aug
11
reviewed Leave Open Story about a mathematician, a dinner party, and the three-body problem
Aug
11
comment 2d Ising model in CFT and statistical mechanics
The key is to relate the scaling limit of the lattice Ising model to the so-called Schramm-Loewner evolution (SLE), as explained for example in this discussion.
Aug
9
revised How can one calculate the central term of the conformal field theory algebra (and show it's really the virasoro algebra)?
This is not homework: http://meta.physics.stackexchange.com/q/5372/2751
Aug
9
revised Radial Null Geodesics in Static Maximally Symmetric DeSitter Space
This is not homework: http://meta.physics.stackexchange.com/q/5372/2751
Aug
6
comment Potential of S-Matrix Theory to lead to breakthrough in GUT
In this nice review, it is explained how S-matrix theory indeed lead to a breakthrough in GUT as it is the orignin of modern string-theory. Some pointers to introductions of S-matrix-theory are given too.
Aug
5
comment On self-duality of N=4 super Yang Mills theories
Generally, S-duality of SYM4 exchanges a theory with gauge group G with a theory of the Langlands dual of G, as described in this discussion.
Aug
2
revised Constructing conserved current given the lagrangian
This is not homework: http://meta.physics.stackexchange.com/q/5372/2751
Jul
29
comment Dilation operator in CFT viewed as 'hamiltonian'?
As exlained here, $\bar{L}_{-1}$ and $\bar{L}_{0}$ and $\bar{L}_{1}$ have to be included to obtain the full 2D conformal group.
Jul
27
comment How to get funding for research on something that can revolutionize the quantum world!
Why and how should it revoluzionize the quantum world? Why should the quantum world need/be waiting for a "revolution" in the first place, as QM works perfectly well?
Jul
25
comment How to compute observables from the boson field operator?
@ACuriousMind well the question is what it currently says, and the clarification of the difference between the wave function and a quantum field should be part of an answer, because this is the conceptual roadblock that prevents him to do the calculation. IMHO it can therefore be reopend as is.
Jul
25
comment How to compute observables from the boson field operator?
@ACuriousMind what about reopen the question and clarify the confusion in an answer? The OP being confused about something is not a legitimate (keep) close(d) reason...
Jul
21
reviewed Reject suggested edit on Instantons in Witten's supersymmetry and Morse theory
Jul
21
comment What is the advantage of AdS/CFT in studying strong coupled system comparing with the lattice method
As explanied here, for example Fermion doupling which is rather cumbersome in lattice methods, has no issue in ADS/CFT.
Jul
20
reviewed Leave Open Laplacian in tensor
Jul
19
reviewed Leave Open Invariance of canonical Hamiltonian equation when adding the total time derivative of a function of $q_i$ and $t$ to the Lagrangian
Jul
17
comment Mathematica package for supergravity and string theory
@KevinYe it should not be a controversy ..., but MathOverflow is certainly a good place too as there also live some nice theoretical physicists. The question is also here now.
Jul
17
comment Mathematica package for supergravity and string theory
@Bernhard nope, I meant this one meta.physics.stackexchange.com/a/2907/2751