2019
DOI: 10.1088/1751-8121/ab433c
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Recursion scheme for the largest $\beta$ -Wishart–Laguerre eigenvalue and Landauer conductance in quantum transport

Abstract: The largest eigenvalue distribution of the Wishart-Laguerre ensemble, indexed by Dyson parameter β and Laguerre parameter a, is fundamental in multivariate statistics and finds applications in diverse areas. Based on a generalization of the Selberg integral, we provide an effective recursion scheme to compute this distribution explicitly in both the original model, and a fixed-trace variant, for a, β non-negative integers and finite matrix size. For β = 2 this circumvents known symbolic evaluation based on det… Show more

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Cited by 25 publications
(10 citation statements)
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“…Hilbert-Schmidt probability measure is also induced by the Hilbert-Schmidt distance [26,27]. Due to its fundamental importance, investigation of these Hilbert-Schmidt distributed random density matrices has remained a very active area of research and many important results related to their various aspects have been worked out [27][28][29][30][33][34][35][36][37][38][39][40][41][42][43][44]. An example is the celebrated Page formula which gives the average von Neumann entropy associated with bipartite system [35].…”
Section: Introductionmentioning
confidence: 99%
“…Hilbert-Schmidt probability measure is also induced by the Hilbert-Schmidt distance [26,27]. Due to its fundamental importance, investigation of these Hilbert-Schmidt distributed random density matrices has remained a very active area of research and many important results related to their various aspects have been worked out [27][28][29][30][33][34][35][36][37][38][39][40][41][42][43][44]. An example is the celebrated Page formula which gives the average von Neumann entropy associated with bipartite system [35].…”
Section: Introductionmentioning
confidence: 99%
“…We would like to thank Arul Lakshminarayan for drawing our attention to Ref. [18]. This work was supported in part by a seed grant from IIT Madras to the Centre for Quantum Information Theory of Matter and Spacetime, under the IoE-CoE scheme.…”
Section: Acknowledgmentsmentioning
confidence: 99%
“…Remark 2.4. The analytic structure of an exponential times a polynomial has been present, and played an important role, in a number of recent studies of distributions in random matrix theory [36,22,27].…”
Section: Generalising (115)mentioning
confidence: 99%