Search Results - "Nikolopoulos, G. M"

Coherent electron wavepacket propagation and entanglement in array of coupled quantum dots by Nikolopoulos, G. M, Petrosyan, D, Lambropoulos, P

“…We study the dynamics of single-electron transport in a linear array of tunnel-coupled quantum dots. We show that this system can serve as an ideal quantum…”
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Coherent population oscillations and an effective spin-exchange interaction in a $\mathcal{PT}$ symmetric polariton mixture by Kalozoumis, P. A., Nikolopoulos, G. M., Petrosyan, D.

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Coherent population oscillations and an effective spin-exchange interaction in a symmetric polariton mixture by Kalozoumis, P. A., Nikolopoulos, G. M., Petrosyan, D.

“…We study a two-species mixture of exciton-polaritons with self- and cross-interaction nonlinearities in a double-well structure, in the presence of relaxation…”
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Multiple ionization under strong XUV to X-ray radiation by Lambropoulos, P., Nikolopoulos, G. M.

“…We review the main aspects of multiple photoionization processes in atoms exposed to intense, short wavelength radiation. The main focus is the theoretical…”
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Provable entanglement and information cost for qubit-based quantum key-distribution protocols by NIKOLOPOULOS, G. M, KHALIQUE, A, ALBER, G

“…Provable entanglement has been shown to be a necessary precondition for unconditionally secure key generation in the context of quantum cryptographic…”
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Symmetries and security of a quantum-public-key encryption based on single-qubit rotations by Seyfarth, U., Nikolopoulos, G. M., Alber, G.

“…Exploring the symmetries underlying a previously proposed encryption scheme that relies on single-qubit rotations, we derive an improved upper bound on the…”
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Postponement of dark-count effects in practical quantum key-distribution by two-way post-processing by KHALIQUE, A, NIKOLOPOULOS, G. M, ALBER, G

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Photon-assisted quantum state transfer and entanglement generation in spin chains by Gratsea, A, Nikolopoulos, G. M, Lambropoulos, P

“…Phys. Rev. A 98, 012304 (2018) We propose a protocol for state transfer and entanglement generation between two distant spin qubits (sender and receiver) that…”
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Route to direct multiphoton multiple ionization by Lambropoulos, P., Nikolopoulos, G. M., Papamihail, K. G.

“…We address the concept of direct multiphoton multiple ionization in atoms exposed to intense, short-wavelength radiation and explore the conditions under which…”
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Multiple Ionization of Neon under soft x-rays: Theory vs Experiment by Nikolopoulos, G. M, Lambropoulos, P

“…J. Phys. B: At. Mol. Opt. Phys. 47 (2014) 115001 We present a rather elaborate theoretical model describing the dynamics of Neon under radiation of photon…”
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Multiple Ionization under Strong XUV to X-ray Radiation by Lambropoulos, P, Nikolopoulos, G. M

“…Eur. Phys. J. Special Topics 222, 2067 (2013) We review the main aspects of multiple photoionization processes in atoms exposed to intense, short wavelength…”
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Evaluation of the performance of two state-transfer Hamiltonians in the presence of static disorder by Pavlis, A. K., Nikolopoulos, G. M., Lambropoulos, P.

“…We analyze the performance of two quantum-state-transfer Hamiltonians in the presence of diagonal and off-diagonal disorders, and in terms of different…”
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Effects of free-electron-laser field fluctuations on the frequency response of driven atomic resonances by Nikolopoulos, G. M, Lambropoulos, P

“…Phys. Rev. A 86, 033420 (2012) We study the effects of field fluctuations on the total yields of Auger electrons, obtained in the excitation of neutral atoms…”
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Analysis and minimization of bending losses in discrete quantum networks by Nikolopoulos, G. M, Hoskovec, A, Jex, I

“…Phys. Rev. A 85, 062319 (2012) We study theoretically the transfer of quantum information along bends in two-dimensional discrete lattices. Our analysis shows…”
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Symmetries and security of a quantum-public-key encryption based on single-qubit rotations by Seyfarth, U, Nikolopoulos, G. M, Alber, G

“…Phys. Rev. A 85, 022342 (2012) Exploring the symmetries underlying a previously proposed encryption scheme which relies on single-qubit rotations, we derive an…”
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Perfect transfer of multiple excitations in quantum networks by Brougham, T, Nikolopoulos, G. M, Jex, I

“…Phys. Rev. A 83, 022323 (2011) We present a general formalism to the problem of perfect state-transfer (PST), where the state involves multiple excitations of…”
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Communication in quantum networks of logical bus topology by Brougham, T, Nikolopoulos, G. M, Jex, I

“…Phys. Rev. A 80, 052325 (2009) Perfect state transfer (PST) is discussed in the context of passive quantum networks with logical bus topology, where many…”
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Route to Direct Multiphoton Multiple Ionization by Lambropoulos, P, Nikolopoulos, G. M, Papamihail, K. G

“…Phys. Rev. A 83, 021407(R) (2011) We address the concept of direct multiphoton multiple ionization in atoms exposed to intense, short wavelength radiation and…”
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Passage-time statistics of superradiant light pulses from Bose-Einstein condensates by Buchmann, L. F, Nikolopoulos, G. M, Zobay, O, Lambropoulos, P

“…J. Phys. B: At. Mol. Opt. Phys. 44, 025301 (2011) We discuss the passage-time statistics of superradiant light pulses generated during the scattering of laser…”
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Early Stage of Superradiance from Bose-Einstein Condensates by Buchmann, L. F, Nikolopoulos, G. M, Zobay, O, Lambropoulos, P

“…Phys. Rev. A 82, 023608 (2010) We investigate the dynamics of matter and optical waves at the early stage of superradiant Rayleigh scattering from…”
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