• Publications
  • Influence
Quantum Entanglement
  • M. Lewenstein
  • Physics, Computer Science
    Do We Really Understand Quantum Mechanics?
  • 14 February 2019
A brief overview of the concept of entanglement in quantum mechanics is given, and the major results and open problems related to the recent scientific progress in this field are discussed.
Quantum Games and Quantum Strategies
We investigate the quantization of non-zero sum games. For the particular case of the Prisoners' Dilemma we show that this game ceases to pose a dilemma if quantum strategies are allowed for. We also
Optimization of entanglement witnesses
An entanglement witness (EW) is an operator that allows to detect entangled states. We give necessary and sufficient conditions for such operators to be optimal, i.e. to detect entangled states in an
The physics of dipolar bosonic quantum gases
This paper reviews the recent theoretical and experimental advances in the study of ultra-cold gases made of bosonic particles interacting via the long-range, anisotropic dipole–dipole interaction,
Ultracold Atoms in Optical Lattices: Simulating quantum many-body systems
1. Introduction 2. Statistical physics of condensed matter: basic concepts 3. Ultracold gases in optical lattices: Basic concepts 4. Quantum simulators of condensed matter 5. Bose Hubbard models:
Dark solitons in Bose-Einstein condensates
Summary form only given. One of the most striking aspects of Bose-Einstein condensates (BEC) of weakly interacting gases are the nonlinear properties of these systems. Of particular interest are
Classification of mixed three-qubit states.
A classification of mixed three-qubit states is introduced, in which the classes of separable, biseparable, W, and Greenberger-Horne-Zeilinger states are successively embedded into each other.
Ultracold atomic gases in optical lattices: mimicking condensed matter physics and beyond
We review recent developments in the physics of ultracold atomic and molecular gases in optical lattices. Such systems are nearly perfect realisations of various kinds of Hubbard models, and as such
Quantum Correlations in Systems of Indistinguishable Particles
We discuss quantum correlations in systems of indistinguishable particles in relation to entanglement in composite quantum systems consisting of well separated subsystems. Our studies are motivated
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