Search Results - "BUCHLEITNER, A"

Local detection of quantum correlations with a single trapped ion by Gessner, M., Ramm, M., Pruttivarasin, T., Buchleitner, A., Breuer, H-P., Häffner, H.

“…In open quantum systems the correlations between the system and its environment play an important role. A trapped-ion experiment demonstrates that these…”
Get full text

Local probe of single phonon dynamics in warm ion crystals by Abdelrahman, A., Khosravani, O., Gessner, M., Buchleitner, A., Breuer, H. -P., Gorman, D., Masuda, R., Pruttivarasin, T., Ramm, M., Schindler, P., Häffner, H.

“…The detailed characterization of non-trivial coherence properties of composite quantum systems of increasing size is an indispensable prerequisite for scalable…”
Get full text

Experimental determination of entanglement with a single measurement by Souto Ribeiro, P. H, Buchleitner, A, Davidovich, L, Mintert, F, Walborn, S. P

“…Nearly all protocols requiring shared quantum information—such as quantum teleportation or key distribution—rely on entanglement between distant parties…”
Get full text

Entanglement of identical particles and the detection process by Tichy, M.C., de Melo, F., Kuś, M., Mintert, F., Buchleitner, A.

“…We introduce detector‐level entanglement, a unified entanglement concept for identical particles that takes into account the possible deletion of many‐particle…”
Get full text

Non-dispersive wave packets in periodically driven quantum systems by Buchleitner, Andreas, Delande, Dominique, Zakrzewski, Jakub

“…With the exception of the harmonic oscillator, quantum wave packets usually spread as time evolves. This is due to the non-linear character of the classical…”
Get full text

Quantum chaos in the Bose-Hubbard model by Kolovsky, A. R, Buchleitner, A

“…We present a numerical study of the spectral properties of the 1D Bose-Hubbard model. Unlike the 1D Hubbard model for fermions, this system is found to be…”
Get full text

The optimization topography of exciton transport by Scholak, T, Wellens, T, Buchleitner, A

“…Stunningly large exciton transfer rates in the light harvesting complex of photosynthesis, together with recent experimental 2D spectroscopic data, have…”
Get full text

Continuous-variable quantum state tomography of photoelectrons by Laurell, H., Finkelstein-Shapiro, D., Dittel, C., Guo, C., Demjaha, R., Ammitzböll, M., Weissenbilder, R., Neoričić, L., Luo, S., Gisselbrecht, M., Arnold, C. L., Buchleitner, A., Pullerits, T., L'Huillier, A., Busto, D.

“…We propose a continuous variable quantum state tomography protocol of electrons which result from the ionization of atoms or molecules by the absorption of…”
Get full text

Coherent inelastic backscattering of intense laser light by cold atoms by SHATOKHIN, V, MÜLLER, C. A, BUCHLEITNER, A

“…We present a nonperturbative treatment of coherent backscattering of intense laser light from cold atoms and predict a nonvanishing backscattering signal even…”
Get full text

Entanglement dynamics under decoherence : from qubits to qudits by CARVALHO, A. R. R, MINTERT, F, PALZER, S, BUCHLEITNER, A

“…We investigate the time evolution of entanglement for bipartite systems of arbitrary dimensions under the influence of decoherence. For qubits, we determine…”
Get full text

Matter-wave scattering on a BEC in a double-well potential by Hunn, S., Hiller, M., Buchleitner, A., Cohen, D., Kottos, T.

“…We study the inelastic scattering of a probe particle on a Bose-Einstein condensate confined in a double-well potential. We identify prominent signatures of…”
Get full text

Solitonic eigenstates of the chaotic Bose–Hubbard Hamiltonian by Venzl, H., Zech, T., Oleś, B., Hiller, M., Mintert, F., Buchleitner, A.

“…We study the evolving energy spectrum of interacting ultra-cold atoms in an optical lattice as a function of an external parameter, the tilt of the lattice. In…”
Get full text

The pump-probe approach to coherent backscattering of intense laser light from cold atoms by Geiger, T., Wellens, T., Shatokhin, V., Buchleitner, A.

“…We present a new approach to near-resonant coherent backscattering of light from cold two-level atoms. In the dilute regime, where the distance between atoms…”
Get full text

Entanglement of 2×K quantum systems by Łoziński, A, Buchleitner, A, Życzkowski, K, Wellens, T

Get full text

Nondispersive two-electron wave packets in driven helium by SCHLAGHECK, P, BUCHLEITNER, A

“…We provide a detailed quantum treatment of the spectral characteristics and of the dynamics of nondispersive two-electron wave packets along the periodically…”
Get full text

Quantum accelerator modes from the Farey tree by Buchleitner, A, d'Arcy, M B, Fishman, S, Gardiner, S A, Guarneri, I, Ma, Z-Y, Rebuzzini, L, Summy, G S

“…We show that mode locking finds a purely quantum nondissipative counterpart in atom-optical quantum accelerator modes. These modes are formed by exposing cold…”
Get full text

Chaotic ionization of nonhydrogenic alkali Rydberg states by Krug, A, Buchleitner, A

“…We report the first ab initio quantum treatment of microwave driven alkali Rydberg states. We find that nonhydrogenic atomic initial states exhibit…”
Get full text

Decay rates of planar helium by Madroñero, J, Schlagheck, P, Hilico, L, Grémaud, B, Delande, D, Buchleitner, A

“…We compare the autoionization rates of characteristic configurations of the doubly excited helium atom, in one, two and three dimensions. We find that the…”
Get full text

Coherent backscattering of light from saturated atoms by Shatokhin, V., Wellens, T., Müller, C. A., Buchleitner, A.

“…We survey recent progress achieved in understanding the impact of inelastic processes on coherent backscattering of light from cold atoms that are saturated by…”
Get full text

Stable classical configurations in strongly driven helium by Schlagheck, Peter, Buchleitner, Andreas

“…We present a detailed analysis of the classical dynamics of the frozen-planet configuration of helium in an external, linearly polarized electromagnetic field…”
Get full text