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21 papers
Abelianization of BPS Quivers and the Refined Higgs Index
Seung-Joo Lee, Zhao-Long Wang, Piljin Yi
We count Higgs "phase" BPS states of general non-Abelian quiver, possibly with loops, by mapping the problem to its Abelian, or toric, counterpart and imposing Weyl invariance late…
Fermi Surfaces and Analytic Green's Functions from Conformal Gravity
Jun Li, Hai-Shan Liu, H. Lu +1
We construct T^2-symmetric charged AdS black holes in conformal gravity. The most general solution up to an overall conformal factor contains three non-trivial parameters: the mass…
Exact Green's Function and Fermi Surfaces from Conformal Gravity
H. Lu, Zhao-Long Wang
We study the Dirac equation of a charged massless spinor on the general charged AdS black hole of conformal gravity. The equation can be solved exactly in terms of Heun's functions…
BPS States, Refined Indices, and Quiver Invariants
Seung-Joo Lee, Zhao-Long Wang, Piljin Yi
For D=4 BPS state construction, counting, and wall-crossing thereof, quiver quantum mechanics offers two alternative approaches, the Coulomb phase and the Higgs phase, which someti…
Quiver Invariants from Intrinsic Higgs States
Seung-Joo Lee, Zhao-Long Wang, Piljin Yi
In study of four-dimensional BPS states, quiver quantum mechanics plays a central role. The Coulomb phases capture the multi-centered nature of such states, and are well understood…
Supersymmetric Asymptotic AdS and Lifshitz Solutions in Einstein-Weyl and Conformal Supergravities
H. Lu, Zhao-Long Wang
We show that there exist supersymmetric Lifshitz vacua in off-shell Einstein-Weyl supergravity, in addition to the BPS AdS_4 vacuum. The Lifshitz exponents are determined by the pr…