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The search results for "hep-lat" primarily highlight discussions and critiques within the high-energy physics theory (hep-th) domain, focusing on string theory and quantum gravity. Notable discussions include debates on the Polchinski-Strominger effective string model and the validity of certain expansions, as well as responses to criticisms and claims of missing links in derivations. These papers demonstrate the ongoing dialogue and refinement of theoretical models in the field.
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arxiv.org
Reply to hep-th/0606265

In hep-th/0411017 the Polchinski-Strominger effective string model was examined and it was shown there that the spectrum of excitations is universal up to and including terms of order $R^{-3}$ in the long distance expansion. Subsequently the same result was claimed in hep-th/0606265 where certain cr…

arxiv.org
Our response to the response hep-th/0608109 by Drummond

We have carefully examined all the points raised by Drummond in his response hep-th/0608109 to our paper hep-th/0606265 wherein we had made some criticisms of his earlier work hep-th/0411017. We concede that Drummond is correct in claiming the non-existence of R^{-4} and R^{-5} order effective strin…

hep-th
arxiv.org
Æthereal Multiverse: Selected Problems of Lorentz Symmetry Violation, Quantum Cosmology, and Quantum Gravity

Draft of book strictly based on the author research results presented in the arXiv papers: 0906.3827[gr-qc], 0906.3825[gr-qc], 0905.3916[hep-ph], 0902.4811[hep-ph], 0902.2829[hep-th], 0812.0551[hep-th], 0809.5216[gr-qc], 0808.1035[gr-qc], 0804.3516[gr-qc], 0803.1533[gr-qc], 0801.4157[gr-qc], 0712.27…

physics.gen-ph gr-qc
arxiv.org
This manuscript (hep-th/9906140v1) is incomplete

This manuscript (hep-th/9906140v1) is incomplete. Please read instead S. D. Głazek, T. Masłowski, Renormalized Poincaré algebra for effective particles in quantum field theory, Phys.Rev. D65 (2002) 065011, (hep-th/0110185).…

hep-th
arxiv.org
Reply to arXiv:0711.4930[hep-th] by Ito and Seiler

In a recent note (arXiv:0711.4930[hep-th]) Ito and Seiler claim that there is a 'missing link' in the derivation in arXiv:0707.2179[hep-th] by the present author; namely, that no proof of a certain inequality used there is given at weak coupling. Here it is pointed out that in fact no such missing l…

hep-th hep-lat
arxiv.org
Reply to Comment hep-th/9509028

This is a reply to the above comment (hep-th/9509028). We argue that QED displays a class of symmetries which may be used to select out the various velocity dependent superselection sectors.…

hep-th
arxiv.org
Reply to Professor Peter van Nieuwenhuizen in connection with hep-th/0408137

I reply to Professor Peter van Nieuwenhuizen in connection with hep-th/0408137…

hep-th
arxiv.org
Comment on ``PT-Symmetric versus Hermitian Formulations of Quantum Mechanics [hep-th/0511229]''

We explain why the main conclusion of Bender et al, hep-th/0511229 [J. Phys. A 39 (2006) 1657] regarding the practical superiority of the non-Hermitian description of PT-symmetric quantum systems over their Hermitian description is not valid. Recalling the essential role played by the Hermitian desc…

hep-th math-ph quant-ph
arxiv.org
A Comment on hep-th/0608078

The above hep-th posting purports -- erroneously -- to be a comment on a Note by me in gr-qc.…

gr-qc hep-th
arxiv.org
Deconfinement and the Hagedorn Transition in String Theory

Superseded and extended in hep-th/0105110 and hep-th/0208112.…

hep-th hep-lat hep-ph