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- Seoul National UniversityKR117 papers
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20 papers · 1 filter
New gaugings and non-geometry
Kanghoon Lee, Charles Strickland-Constable, Daniel Waldram
We discuss the possible realisation in string/M theory of the recently discovered family of four-dimensional maximal gauged supergravities, and of an analogous family of se…
Testing nonclassicality and non-Gaussianity in phase space
Jiyong Park, Junhua Zhang, Jaehak Lee +5
We theoretically propose and experimentally demonstrate a nonclassicality test of single-mode field in phase space, which has an analogy with the nonlocality test proposed by Banas…
An extremely young massive clump forming by gravitational collapse in a primordial galaxy
A. Zanella, E. Daddi, E. Le Floc'h +9
When the cosmic star formation history peaks (z ~ 2), galaxies vigorously fed by cosmic reservoirs are gas dominated and contain massive star-forming clumps, thought to form by vio…
Dipole-Allowed Direct Band Gap Silicon Superlattices
Young Jun Oh, In-Ho Lee, Sunghyun Kim +2
Silicon is the most popular material used in electronic devices. However, its poor optical properties owing to its indirect band gap nature limit its usage in optoelectronic device…
Mutation, Witten Index, and Quiver Invariant
Heeyeon Kim, Seung-Joo Lee, Piljin Yi
We explore Seiberg-like dualities, or mutations, for quiver quantum mechanics in the context of wall-crossing. In contrast to higher dimensions, the 1d Seiberg-duality…
Emergent Spacetime: Reality or Illusion?
Hyun Seok Yang
The contemporary physics has revealed growing evidences that the emergence can be applied to not only biology and condensed matter systems but also gravity and spacetime. We observ…