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Results tagged with branes
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user 15766
A (p-)brane is a dynamically evolving physical object that generalizes the notion of a point particle to (p) higher dimensions. A point particle can be viewed as a brane of dimension zero, a string as a brane of dimension one, and a membrane (sheet) as a brane of dimension two. Do not use for particles or strings, however, unless in comparative juxtapositions.
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Must string models that describe 4d effective field theories always have D-branes that exten...
In string theory the D-branes give those directions that the strings are allowed to move along. The string excitations give the fields that we detect. … If so, this implies that a realistic model should always have D-branes that extend in these 4 spacetime directions. …
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Why does the object $\epsilon_L Q_L + \epsilon_R Q_R$ correspond to a 16-component conserved...
I understand that when a 10-dimensional superstring theory has a Dp-brane (say, extending in the $x_0, ... , x_p$ directions) we have the total conserved supercharge given by:
\begin{equation}
\epsi …
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Sources that explain strings between two branes, where one brane ends on the other
Edit: As @OON has pointed out in the comments below, fundamental strings don't end on NS5-branes. … Would the spectrum be the same as for two intersecting D-branes? …
- 1,998
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Fayet-Iliopolous Parameters from Separation of NS5-branes in $(x_{7}, x_{8}, x_{9})$: An amb...
My questions is: What happens when there are more than one stack of D3s and more than two NS5-branes? How do we calculate the FI terms, and to which D3 stack are the FI terms associated? …
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