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Species entropy and thermodynamics
We analyse particle species and the species scale in quantum gravity from a thermodynamic perspective. In close analogy to black hole thermodynamics,...
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A solvable model of flat space holography
We propose an explicit realization of flat space holography in two dimensions where both sides of the duality are independently defined and the...
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Anisotropy with respect to the applied magnetic field of spin qubit decoherence times
Electron spin qubits are a promising platform for quantum computation. Environmental noise impedes coherent operations by limiting the qubit...
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Nonlinearity and Topology
The interplay of nonlinearity and topology results in many novel and emergent properties across a number of physical systems such as chiral magnets,...
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OPE statistics from higher-point crossing
We present new asymptotic formulas for the distribution of OPE coefficients in conformal field theories. These formulas involve products of four or...
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Almost all extremal black holes in AdS are singular
We investigate the geometry near the horizon of a generic, four-dimensional extremal black hole. When the cosmological constant is negative, we show...
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Carrier Transport in Low-Dimensional Semiconductors
Carrier transport in semiconductors with reduced dimensions is determined by the low-dimensional density of states. In two-dimensional systems such...
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On exact-WKB analysis, resurgent structure, and quantization conditions
There are two well-known approaches to studying nonperturbative aspects of quantum mechanical systems: saddle point analysis of the partition...
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Partition functions of the tensionless string
We consider string theory on AdS 3 × S 3 × 𝕋 4 in the tensionless limit, with one unit of NS-NS flux. This theory is conjectured to describe the...
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Wormholes and black hole microstates in AdS/CFT
It has long been known that the coarse-grained approximation to the black hole density of states can be computed using classical Euclidean gravity....
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An elliptic integrable deformation of the Principal Chiral Model
We introduce a new elliptic integrable σ -model in the form of a two-parameter deformation of the Principal Chiral Model on the group SL ℝ ( N ),...
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A perturbative expansion scheme for supermembrane and matrix theory
We reconsider the supermembrane in a Minkowski background and in the light-cone gauge as a one-dimensional gauge theory of area preserving...
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Supersymmetry and trace formulas. Part I. Compact Lie groups
In the context of supersymmetric quantum mechanics we formulate new supersymmetric localization principle, with application to trace formulas for a...
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Analytical evaluation of AdS4 Witten diagrams as flat space multi-loop Feynman integrals
We describe a systematic approach for the evaluation of Witten diagrams for multi-loop scattering amplitudes of a conformally coupled scalar ϕ 4 -theory...
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Quantum Supermembranes and AdS/CFT Duality
AbstractWe review and extend some recent work on testing AdS/CFT correspondence between U ( N ) k × U ( N ) – k Chern-Simons-matter 3d gauge theory and...
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A derivation of AdS/CFT for vector models
We explicitly rewrite the path integral for the free or critical O ( N ) (or U( N )) bosonic vector models in d space-time dimensions as a path integral...
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Repulsive black holes and higher-derivatives
In two-derivative theories of gravity coupled to matter, charged black holes are self-attractive at large distances, with the force vanishing at zero...
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D-brane Masses at Special Fibres of Hypergeometric Families of Calabi–Yau Threefolds, Modular Forms, and Periods
We consider the fourteen families W of Calabi–Yau threefolds with one complex structure parameter and Picard–Fuchs equation of hypergeometric type,...
