Search Results - "Jex, I"

Decoherence and disorder in quantum walks: from ballistic spread to localization by Schreiber, A, Cassemiro, K N, Potoček, V, Gábris, A, Jex, I, Silberhorn, Ch

“…We investigate the impact of decoherence and static disorder on the dynamics of quantum particles moving in a periodic lattice. Our experiment relies on the…”
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Photons walking the line: a quantum walk with adjustable coin operations by Schreiber, A, Cassemiro, K N, Potocek, V, Gábris, A, Mosley, P J, Andersson, E, Jex, I, Silberhorn, Ch

“…We present the first robust implementation of a coined quantum walk over five steps using only passive optical elements. By employing a fiber network loop we…”
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Recurrence and Pólya number of quantum walks by Stefanák, M, Jex, I, Kiss, T

“…We analyze the recurrence probability (Pólya number) for d-dimensional unbiased quantum walks. A sufficient condition for a quantum walk to be recurrent is…”
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Jaynes’ principle for quantum Markov processes: generalized Gibbs–von Neumann states rule by Novotný, J., Maryška, J., Jex, I.

“…We prove that any asymptotics of a finite-dimensional quantum Markov processes can be formulated in the form of a generalized Jaynes’ principle in the discrete…”
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Asymptotic dynamics of coined quantum walks on percolation graphs by Kollár, B, Kiss, T, Novotný, J, Jex, I

“…Quantum walks obey unitary dynamics: they form closed quantum systems. The system becomes open if the walk suffers from imperfections represented as missing…”
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Percolation assisted excitation transport in discrete-time quantum walks by Štefa ák, M, Novotný, J, Jex, I

“…Coherent transport of excitations along chains of coupled quantum systems represents an interesting problem with a number of applications ranging from quantum…”
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Asymptotic phase-locking and synchronization in two-qubit systems by Štěrba, D, Novotný, J, Jex, I

“…Abstract The paper concerns spontaneous asymptotic phase-locking and synchronization in two-qubit systems undergoing continuous Markovian evolution described…”
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Spatio-spectral characteristics of parametric down-conversion in waveguide arrays by Kruse, R, Katzschmann, F, Christ, A, Schreiber, A, Wilhelm, S, Laiho, K, Gábris, A, Hamilton, C S, Jex, I, Silberhorn, C

“…High dimensional quantum states are of fundamental interest for quantum information processing. They give access to large Hilbert spaces and, in turn, enable…”
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Continuous deformations of the Grover walk preserving localization by Štefaňák, M., Bezděková, I., Jex, I.

“…The three-state Grover walk on a line exhibits the localization effect characterized by a non-vanishing probability of the particle to stay at the origin. We…”
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Percolation induced effects in two-dimensional coined quantum walks: analytic asymptotic solutions by Kollár, B, Novotný, J, Kiss, T, Jex, I

“…Quantum walks on graphs can model physical processes and serve as efficient tools in quantum information theory. Once we admit random variations in the…”
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Recurrence of biased quantum walks on a line by Štefaňák, M, Kiss, T, Jex, I

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Directional correlations in quantum walks with two particles by Štefaňák, M, Barnett, S M, Kollár, B, Kiss, T, Jex, I

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Measurement-induced chaos with entangled states by Kiss, T, Vymětal, S, Tóth, L D, Gábris, A, Jex, I, Alber, G

“…The dynamics of an ensemble of identically prepared two-qubit systems is investigated which is subjected to the iteratively applied measurements and…”
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Asymptotic dynamics of qubit networks under randomly applied controlled unitary transformations by Novotný, J, Alber, G, Jex, I

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Quantum State Identification of Qutrits via a Nonlinear Protocol by Pyshkin, P. V., Gábris, A., Kálmán, O., Jex, I., Kiss, T.

“…We propose a probabilistic quantum protocol to realize a nonlinear transformation of qutrit states, which by iterative applications on ensembles can be used to…”
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Full revivals in 2D quantum walks by Štefaňák, M, Kollár, B, Kiss, T, Jex, I

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Quantum walk with jumps by Lavička, H., Potoček, V., Kiss, T., Lutz, E., Jex, I.

“… We analyze a special class of 1-D quantum walks (QWs) realized using optical multi-ports. We assume non-perfect multi-ports showing errors in the…”
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Limit distributions of three-state quantum walks: The role of coin eigenstates by Štefaňák, M., Bezděková, I., Jex, I.

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Conditional generation of optical Schrödinger cat states by Adam, P, Kiss, T, Darázs, Z, Jex, I

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Photon chopping: New way to measure the quantum state of light by Paul, H, Törmä, P, Kiss, T, Jex, I, I

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