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30 papers
Multi-photon enhancement of the Schwinger pair production mechanism under strong FEL radiation
G. Mouloudakis, P. Lambropoulos
In this work we study the production of electron-positron pairs from vacuum in presence of a field resulting from the collision of two counter-propagating FEL beams that undergo Ga…
Pairing superbunching with compounded non-linearity in a resonant transition
G. Mouloudakis, P. Lambropoulos
Through a quantitative analysis of an atomic transition driven strongly by quantized electromagnetic fields of various quantum states, we explore the role of quantum fluctuations o…
Strong-field extreme-ultraviolet dressing of atomic double excitation
Christian Ott, Lennart Aufleger, Thomas Ding +21
We report on the experimental observation of strong-field dressing of an autoionizing two-electron state in helium with intense extreme-ultraviolet laser pulses from a free-electro…
Revisiting photon-statistics effects on multiphoton ionization. II
G. Mouloudakis, P. Lambropoulos
In this paper, we extend the results of an earlier paper in which we had demonstrated the limitations of the notion of non-resonant multiphoton ionization, in the exploration of ph…
Photon-assisted quantum state transfer and entanglement generation in spin chains
A. Gratsea, G. M. Nikolopoulos, P. Lambropoulos
We propose a protocol for state transfer and entanglement generation between two distant spin qubits (sender and receiver) that have different energies. The two qubits are permanen…
Effects of Field Fluctuations on Driven Autoionizing Resonances
G. Mouloudakis, P. Lambropoulos
The excitation of an autoionizing resonance by intense radiation requires a theoretical description beyond the transition probability per unit time. This implies a time-dependent f…