Zobrazeno 1 - 10
of 189
pro vyhledávání: '"Wüster, S."'
Autor:
Mukherjee, K., Wüster, S.
We show that an exciton on a discrete chain of sites can be guided by effective measurements induced by an ambient, non-equilibrium medium that is synchronised to the exciton transport. For experimental verification, we propose a hybrid cold atom pla
Externí odkaz:
http://arxiv.org/abs/2304.14951
Publikováno v:
New J. Phys. 24, 073005 (2022)
Recent experiments with Bose-Einstein condensates have entered a regime in which thousands of ground-state condensate atoms fill the Rydberg-electron orbit. After the excitation of a single atom into a highly excited Rydberg state, scattering off the
Externí odkaz:
http://arxiv.org/abs/2111.05031
Autor:
Rammohan, S., Tiwari, S., Mishra, A., Pendse, A., Chauhan, A. K., Nath, R., Eisfeld, A., Wüster, S.
Decoherence affects all quantum systems, natural or artificial, and is the primary obstacle impeding quantum technologies. We show theoretically that for a Rydberg qubit in a Bose condensed environment, experiments can image the system-environment in
Externí odkaz:
http://arxiv.org/abs/2011.11022
We construct a measure for the adiabatic contribution to quantum transitions in an arbitrary basis, tackling the generic complex case where dynamics is only partially adiabatic, simultaneously populates several eigenstates and transitions between non
Externí odkaz:
http://arxiv.org/abs/2007.10707
Publikováno v:
Phys. Rev. A 103, 063307 (2021)
Experiments have demonstrated that atoms excited to specific Rydberg states within Bose-Einstein condensates cause significant excitation of phonons. If the Rydberg atom is brought into an electronic superposition state, this coupling to phonons lead
Externí odkaz:
http://arxiv.org/abs/2006.15376
Autor:
Pant, R., Wüster, S.
Publikováno v:
Phys. Chem. Chem. Phys.22 21169 (2020)
Molecular aggregates can under certain conditions transport electronic excitation energy over large distances due to dipole-dipole interactions. Here, we explore to what extent thermal motion of entire monomers can guide or enhance this excitation tr
Externí odkaz:
http://arxiv.org/abs/2002.09418
Publikováno v:
EPL 140 35003 (2022)
It is an open fundamental question how the classical appearance of our environment arises from the underlying quantum many-body theory. We propose that phenomena involved in the quantum-to-classical transition can be probed in collisions of bright so
Externí odkaz:
http://arxiv.org/abs/1904.06552
Publikováno v:
Phys. Rev. A 98, 043602 (2018)
Assemblies of interacting Rydberg atoms show promise for the quantum simulation of transport phenomena, quantum chemistry and condensed matter systems. Such schemes are typically limited by the finite lifetime of Rydberg states. Circular Rydberg stat
Externí odkaz:
http://arxiv.org/abs/1807.06840
Autor:
Wüster, S., Rost, J. -M.
We review Rydberg aggregates, assemblies of a few Rydberg atoms exhibiting energy transport through collective eigenstates, considering isolated atoms or assemblies embedded within clouds of cold ground-state atoms. We classify Rydberg aggregates, an
Externí odkaz:
http://arxiv.org/abs/1707.04099
Publikováno v:
Phys. Rev. A 96, 013855 (2017)
Nano-mechanical oscillators as well as Rydberg-atomic waveguides hosted on micro-fabricated chip surfaces hold promise to become pillars of future quantum technologies. In a hybrid platform with both, we show that beams of Rydberg atoms in waveguides
Externí odkaz:
http://arxiv.org/abs/1703.10869