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Entropy of String States at fixed Mass and Size
High Energy Physics - Theory · Submitted 8 Nov 2007
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim We provide formulas for the entropy of free-string states depending on their mass, charges and size, both in bosonic and superstring theory (IIA or IIB).
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The abstract, sentence by sentence
We provide formulas for the entropy of free-string states depending on their mass, charges and size, both in bosonic and superstring theory (IIA or IIB). We properly define these quantities in full-fledged string theory. We then investigate the corrections to the entropy due to self-interactions of the string for states with fixed mass, charge and size, both for BPS and non-BPS configurations. Again, the analysis is performed using string theory techniques.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | We provide formulas for the entropy of free-string states depending on their mass, charges and size, both in bosonic and superstring theory (IIA or IIB). | contribution 0.87 | 0.94 | 0.28 | asserted 1.00 |
| s1 | We properly define these quantities in full-fledged string theory. | contribution 0.81 | 0.90 | 0.04 | asserted 1.00 |
| s2 | We then investigate the corrections to the entropy due to self-interactions of the string for states with fixed mass, charge and size, both for BPS and non-BPS configurations. | contribution 1.00 | 0.93 | 0.23 | asserted 0.97 |
| s3 | Again, the analysis is performed using string theory techniques. | method 0.99 | 0.83 | 0.03 | asserted 0.98 |
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The paper
Original abstract
We provide formulas for the entropy of free-string states depending on their mass, charges and size, both in bosonic and superstring theory (IIA or IIB). We properly define these quantities in full-fledged string theory. We then investigate the corrections to the entropy due to self-interactions of the string for states with fixed mass, charge and size, both for BPS and non-BPS configurations. Again, the analysis is performed using string theory techniques.
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What this paper does with the arXiv papers it cites
What it cites · 8 sentences without a confident label
Uses the method or tool of 6 papers
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The lowest terms of the amplitude in this limit can be calculated using the OPE (see [ref] ): V_open(k', 1) V_open(k, y) y→1∼ 2ξ·ξ' $(1-q^2) (1-y)$^$2 k'·k-2$y^$2 k·p̂$ e^i q·X̂_O(1) e^iq·x̂ where $X̂_O$ indicates the oscillator part of $X$.
String Form Factors · The String Spatial Distribution. · 0.97
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In [ref] , it was employed a thermal scalar formalism, interpreting the size of the bound states of a certain scalar field as the size of the excited string.
Self Gravitating Fundamental Strings · The String-Black Holes correspondence principle · 0.86
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It is not necessary for our purposes, but it simplifies the formulas, if we work in a time gauge ( [ref] ), such that: [equation] Here the $S^α$ are spin-fields, $i$ runs over the spatial dimensions and $-p^2=N$.
The No-ghost Theorem for AdS_3 and the Stringy Exclusion Principle · States with no charge · 0.97
Compares with 1 paper
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The string theory formula[Note that this formula, and therefore the result that we will obtain, as we will discuss in the following are very different from the formulas in [ref] .
String Form Factors · The String Spatial Distribution. · 0.84
Cites as background 5 papers
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In the past, a few attempts have been made to study such issues: [ref] , [ref] (see also [ref] ).
Self-gravitating fundamental strings and black-holes · The String-Black Holes correspondence principle · 1.00
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In the past, a few attempts have been made to study such issues: [ref] , [ref] (see also [ref] ).
Self Gravitating Fundamental Strings · The String-Black Holes correspondence principle · 1.00
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In the past, a few attempts have been made to study such issues: [ref] , [ref] (see also [ref] ).
From Fundamental Strings to Small Black Holes · The String-Black Holes correspondence principle · 1.00
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