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Tau-function theory of chaotic quantum transport with ß = 1, 2, 4
We study the cumulants and their generating functions of the probability distributions of the conductance, shot noise and Wigner delay time in ballistic quantum dots. Our approach is based on the integrable theory of certain matrix integrals and applies to all the symmetry classes ß?{1,2,4} of Random Matrix Theory. We compute the weak localization corrections to the mixed cumulants of the conductance and shot noise for ß = 1, 4, thus proving a number of conjectures of Khoruzhenko et al. (in Phys Rev B 80:(12)125301, 2009). We derive differential equations that characterize the cumulant generating functions for all ß?{1,2,4}. Furthermore, when ß = 2 we show that the cumulant generating function of the Wigner delay time can be expressed in terms of the Painlevé III' transcendant. This allows us to study properties of the cumulants of the Wigner delay time in the asymptotic limit n?8. Finally, for all the symmetry classes and for any number of open channels, we derive a set of recurrence relations that are very efficient for computing cumulants at all orders.
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- Published
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- Published version
Journal
Communications in Mathematical PhysicsISSN
0010-3616Publisher
Springer VerlagExternal DOI
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2Volume
324Page range
465-513Department affiliated with
- Mathematics Publications
Research groups affiliated with
- Probability and Statistics Research Group Publications
- Mathematical Physics Group Publications
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- Yes
Legacy Posted Date
2018-05-17First Compliant Deposit (FCD) Date
2018-05-17Usage metrics
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