determinantal processes
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Author(s):  
Marcel Fenzl ◽  
Gaultier Lambert

Abstract We consider 2-dimensional determinantal processes that are rotationinvariant and study the fluctuations of the number of points in disks. Based on the theory of mod-phi convergence, we obtain Berry–Esseen as well as precise moderate to large deviation estimates for these statistics. These results are consistent with the Coulomb gas heuristic from the physics literature. We also obtain functional limit theorems for the stochastic process $(\# D_r)_{r>0}$ when the radius $r$ of the disk $D_r$ is growing in different regimes. We present several applications to invariant determinantal processes, including the polyanalytic Ginibre ensembles, zeros of the hyperbolic Gaussian analytic function, and other hyperbolic models. As a corollary, we compute the precise asymptotics for the entanglement entropy of (integer) Laughlin states for all Landau levels.



2020 ◽  
Vol 48 (5) ◽  
pp. 2615-2643
Author(s):  
András Mészaros


10.37236/7587 ◽  
2020 ◽  
Vol 27 (2) ◽  
Author(s):  
Kasra Alishahi ◽  
Mohaddeseh Rajaee ◽  
Ali Rajaei

In this paper, we introduce a notion of quantum discrepancy, a non-commutative version of combinatorial discrepancy which is defined for projection systems, i.e. finite sets of orthogonal projections, as non-commutative counterparts of set systems. We show that besides its natural algebraic formulation, quantum discrepancy, when restricted to set systems, has a probabilistic interpretation in terms of determinantal processes. Determinantal processes are a family of point processes with a rich algebraic structure.  A common feature of this family is the local repulsive behavior of points. Alishahi and Zamani (2015) exploit this repelling property to construct low-discrepancy point configurations on the sphere.  We give an upper bound for quantum discrepancy in terms of $N$, the dimension of the space, and $M$, the size of the projection system, which is tight in a wide range of parameters $N$ and $M$. Then we investigate the relation of these two kinds of discrepancies, i.e. combinatorial and quantum, when restricted to set systems, and bound them in terms of each other.









2019 ◽  
Vol 52 (16) ◽  
pp. 165202 ◽  
Author(s):  
Fabio Deelan Cunden ◽  
Satya N Majumdar ◽  
Neil O’Connell


Bernoulli ◽  
2019 ◽  
Vol 25 (1) ◽  
pp. 75-88
Author(s):  
Yanqi Qiu


2018 ◽  
Vol 364 (1) ◽  
pp. 287-342 ◽  
Author(s):  
Mark Adler ◽  
Kurt Johansson ◽  
Pierre van Moerbeke


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