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- Institute for Basic ScienceKR16 papers
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- Rutgers, The State University of New JerseyUS5 papers
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9 papers · 1 filter
On EVH black hole solution in Heterotic string theory
Hossein Yavartanoo
We study the near horizon geometry of charged rotating black holes in toroidal compactifications of heterotic string theory. We analyze the extremal vanishing horizon (EVH) limit f…
Doppler shift of hot coronal lines in a moss area of an active region
Neda Dadashi, Luca Teriaca, Durgesh Tripathi +2
The moss is the area at the footpoint of the hot (3 to 5 MK) loops forming the core of the active region where emission is believed to result from the heat flux conducted down to t…
Structure and Dynamics of Isolated Internetwork Ca II H Bright Points Observed by Sunrise
S. Jafarzadeh, S. K. Solanki, A. Feller +5
We aim to improve our picture of the low chromosphere in the quiet-Sun internetwork by investigating the intensity, horizontal velocity, size and lifetime variations of small brigh…
Spectroscopic Observations of Propagating Disturbances in a Polar Coronal Hole: Evidence of Slow Magneto-acoustic Waves
G. R. Gupta, L. Teriaca, E. Marsch +2
We focus on detecting and studying quasi-periodic propagating features that have been interpreted both in terms of slow magneto-acoustic waves and of high speed upflows. We analyze…
Optical Separation of Mechanical Strain from Charge Doping in Graphene
Ji Eun Lee, Gwanghyun Ahn, Jihye Shim +2
Graphene, due to its superior stretchability, exhibits rich structural deformation behaviors and its strain-engineering has proven useful in modifying its electronic and magnetic p…
Charged Black Branes with Hyperscaling Violating Factor
Mohsen Alishahiha, Eoin Ó Colgáin, Hossein Yavartanoo
We present an analytic solution of a charged black hole with hyperscaling violating factor in an Einstein-Maxwell-Dilaton model where the scalar potential is key to the existence o…