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9 papers · 2 filters
A tunable, nonlinear Hong-Ou-Mandel interferometer
David Oehri, Mikhail Pletyukhov, Vladimir Gritsev +2
We investigate the two-photon scattering properties of a Jaynes-Cummings (JC) nonlinearity consisting of a two-level system (qubit) interacting with a single mode cavity, which is…
Query complexity in expectation
Jedrzej Kaniewski, Troy Lee, Ronald de Wolf
We study the query complexity of computing a function f:{0,1}^n-->R_+ in expectation. This requires the algorithm on input x to output a nonnegative random variable whose expectati…
Inequalities for Moment Cones of Finite-Dimensional Representations
Michèle Vergne, Michael Walter
We give a general description of the moment cone associated with an arbitrary finite-dimensional unitary representation of a compact, connected Lie group in terms of finitely many…
A subquantum arrow of time
Theo M. Nieuwenhuizen
The outcome of a single quantum experiment is unpredictable, except in a pure-state limit. The definite process that takes place in the apparatus may either be intrinsically random…
Supersymmetry in quantum optics and in spin-orbit coupled systems
Michael Tomka, Mikhail Pletyukhov, Vladimir Gritsev
Light-matter interaction is naturally described by coupled bosonic and fermionic subsystems. This suggests that a certain Bose-Fermi duality is naturally present in the fundamental…
Lectures on dynamical models for quantum measurements
Theo M. Nieuwenhuizen, Marti Perarnau-Llobet, Roger Balian
In textbooks, ideal quantum measurements are described in terms of the tested system only by the collapse postulate and Born's rule. This level of description offers a rather flexi…