P. Zoller

Publications662
h-index105
Citations45,598
Highly Influential Citations809
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Long-distance quantum communication with atomic ensembles and linear optics
TLDR
It is shown that the communication efficiency scales polynomially with the channel length, and hence the scheme should be operable over very long distances.
Cold Bosonic Atoms in Optical Lattices
The dynamics of an ultracold dilute gas of bosonic atoms in an optical lattice can be described by a Bose-Hubbard model where the system parameters are controlled by laser light. We study the…
Quantum Repeaters: The Role of Imperfect Local Operations in Quantum Communication
TLDR
This work presents a scheme of a quantum repeater that connects a string of (imperfect) entangled pairs of particles by using a novel nested purification protocol, thereby creating a single distant pair of high fidelity.
Quantum State Transfer and Entanglement Distribution among Distant Nodes in a Quantum Network
We propose a scheme to utilize photons for ideal quantum transmission between atoms located at spatially separated nodes of a quantum network. The transmission protocol employs special laser pulses…
Dipole blockade and quantum information processing in mesoscopic atomic ensembles.
TLDR
A technique for manipulating quantum information stored in collective states of mesoscopic ensembles by optical excitation into states with strong dipole-dipole interactions that can be employed for controlled generation of collective atomic spin states as well as nonclassical photonic states and for scalable quantum logic gates is described.
Quantum repeaters based on entanglement purification
We study the use of entanglement purification for quantum communication over long distances. For distances much longer than the coherence length of a corresponding noisy quantum channel, the fidelity…
Many-particle entanglement with Bose–Einstein condensates
TLDR
This work proposes a method to achieve substantial entanglement of a large number of atoms in a Bose–Einstein condensate, which is then allowed to evolve freely and should be realizable with present technology.
The cold atom Hubbard toolbox
Two-orbital SU(N) magnetism with ultracold alkaline-earth atoms
Fermionic alkaline-earth atoms have unique properties that make them attractive candidates for the realization of atomic clocks and degenerate quantum gases. At the same time, they are attracting…
Dynamics of Bose-Einstein condensates: Variational solutions of the Gross-Pitaevskii equations
A variational technique is applied to solve the time-dependent nonlinear Schrodinger equation ~Gross- Pitaevskii equation! with the goal to model the dynamics of dilute ultracold atom clouds in the…
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