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Search: authors:"Hao-Yu Sun"

4 papers found.
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Topological entanglement entropy in Euclidean AdS3 via surgery

We calculate the topological entanglement entropy (TEE) in Euclidean asymptotic AdS3 spacetime using surgery. The treatment is intrinsically three-dimensional. In the BTZ black hole background, several different bipartitions are applied. For the bipartition along the horizon between two single-sided black holes, TEE is exactly the Bekenstein-Hawking entropy, which supports the ER...

Natural killer cell dysfunction in hepatocellular carcinoma and NK cell-based immunotherapy

The mechanisms linking hepatitis B virus (HBV) and hepatitis C virus (HCV) infection to hepatocellular carcinoma (HCC) remain largely unknown. Natural killer (NK) cells account for 25%–50% of the total number of liver lymphocytes, suggesting that NK cells play an important role in liver immunity. The number of NK cells in the blood and tumor tissues of HCC patients is positively...

Janus configurations with SL(2, ℤ)-duality twists, strings on mapping tori and a tridiagonal determinant formula

We develop an equivalence between two Hilbert spaces: (i) the space of states of U(1) n Chern-Simons theory with a certain class of tridiagonal matrices of coupling constants (with corners) on T 2; and (ii) the space of ground states of strings on an associated mapping torus with T 2 fiber. The equivalence is deduced by studying the space of ground states of SL(2, ℤ)-twisted...

Q-balls of quasi-particles in a (2, 0)-theory model of the fractional quantum Hall effect

Abstract A toy model of the fractional quantum Hall effect appears as part of the low-energy description of the Coulomb branch of the A 1 (2, 0)-theory formulated on \( \left({S}^1\times {\mathrm{\mathbb{R}}}^2\right)/{\mathrm{\mathbb{Z}}}_k \), where the generator of \( {\mathrm{\mathbb{Z}}}_k \) acts as a combination of translation on S 1 and rotation by 2π/k on \( {\mathrm...