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19952026
most citedQuantum phase transition from a superfluid to a Mott insulator in a gas of ultracold atoms

5.9k citations

Showing 2008Show all

78 papers · 1 filter

quant-ph2008★ 57 cited

Experimental implementation of a four-player quantum game

Christian Schmid, Adrian P. Flitney, Witlef Wieczorek +3

Game theory is central to the understanding of competitive interactions arising in many fields, from the social and physical sciences to economics. Recently, as the definition of i…

cond-mat.mes-hall2008★ 6 cited

Thermal States of Anyonic Systems

S. Iblisdir, D. Perez-Garcia, M. Aguado +1

A study of the thermal properties of two-dimensional topological lattice models is presented. This work is relevant to assess the usefulness of these systems as a quantum memory. F…

quant-ph2008★ 65 cited

Memory for Light as a Quantum Process

M. Lobino, C. Kupchak, E. Figueroa +1

We report complete characterization of an optical memory based on electromagnetically induced transparency. We recover the superoperator associated with the memory, under two diffe…

physics.chem-ph2008★ 19 cited

Collisional effects in the formation of cold guided beams of polar molecules

Michael Motsch, Christian Sommer, Martin Zeppenfeld +3

High fluxes of cold polar molecules are efficiently produced by electric guiding and velocity filtering. Here, we investigate different aspects of the beam formation. Variations of…

physics.chem-ph2008★ 44 cited

Continuous guided beams of slow and internally cold polar molecules

Christian Sommer, Laurens D. van Buuren, Michael Motsch +4

We describe the combination of buffer-gas cooling with electrostatic velocity filtering to produce a high-flux continuous guided beam of internally cold and slow polar molecules. I…

physics.plasm-ph2008★ 53 cited

Coherent Thomson backscattering from laser-driven relativistic ultra-thin electron layers

Jürgen Meyer-ter-Vehn, Hui-Chun Wu

The generation of laser-driven dense relativistic electron layers from ultra-thin foils and their use for coherent Thomson backscattering is discussed, applying analytic theory and…

physics.plasm-ph2008★ 33 cited

The reflectivity of relativistic ultra-thin electron layers

Hui-Chun Wu, Jürgen Meyer-ter-Vehn

The coherent reflectivity of a dense, relativistic, ultra-thin electron layer is derived analytically for an obliquely incident probe beam. Results are obtained by two-fold Lorentz…

physics.plasm-ph2008★ 12 cited

Acceleration of ultra-thin electron layer. Analytical treatment compared with 1D-PIC simulation

Meng Wen, Hui-Chun Wu, Jürgen Meyer-ter-Vehn +1

In this paper, we apply an analytical model [V.V. Kulagin et al., Phys. Plasmas 14,113101 (2007)] to describe the acceleration of an ultra-thin electron layer by a schematic single…

quant-ph2008★ 55 cited

Competing many-body interactions in systems of trapped ions

A. Bermudez, D. Porras, M. A. Martin-Delgado

We propose and theoretically analyse an experimental configuration in which lasers induce 3-spin interactions between trapped ions.By properly choosing the intensities and frequenc…

physics.atom-ph2008★ 46 cited

New Measurement of the 2S Hyperfine Interval in Atomic Hydrogen

N. Kolachevsky, A. Matveev, J. Alnis +3

An optical measurement of the 2S hyperfine interval in atomic hydrogen using two-photon spectroscopy of the 1S-2S transition gives a value of 177 556 834.3(6.7) Hz. The uncertainty…

quant-ph2008★ 7 cited

Classical spin systems and the quantum stabilizer formalism: general mappings and applications

R. Hübener, M. Van den Nest, W. Dür +1

We present general mappings between classical spin systems and quantum physics. More precisely, we show how to express partition functions and correlation functions of arbitrary cl…

physics.optics2008★ 1 cited

Measurement noise floor for a long-distance optical carrier transmission via fiber

G. Grosche, O. Terra, K. Predehl +6

We investigated the measurement floor and link stability for the transfer of an ultra-stable optical frequency via an optical fiber link. We achieved a near-delay-limited instabili…

quant-ph2008★ 121 cited

Photon-Photon Entanglement with a Single Trapped Atom

B. Weber, H. P. Specht, T. Mueller +4

An experiment is performed where a single rubidium atom trapped within a high-finesse optical cavity emits two independently triggered entangled photons. The entanglement is mediat…

quant-ph2008★ 3 cited

Addendum to "Experimental demonstration of a quantum protocol for Byzantine agreement and liar detection" arXiv:0710.0290

Sascha Gaertner, Mohamed Bourennane, Christian Kurtsiefer +2

Gao et al. [Phys. Rev. Lett. 101, 208901 (2008)] have described a possible intercept-resend attack for the quantum protocol for detectable Byzantine agreement in Phys. Rev. Lett. 1…

quant-ph2008★ 9 cited

Quantum simulations based on measurements and feedback control

K. G. H. Vollbrecht, J. I. Cirac

We propose a scheme for performing quantum simulations with atoms in cavities based on a photon detection feedback loop that requires only linear optical elements. Atoms can be sto…

physics.plasm-ph2008★ 97 cited

Fast ignition of fusion targets by laser-driven electrons

J. J. Honrubia, J. Meyer-ter-Vehn

We present hybrid PIC simulations of fast electron transport and energy deposition in pre-compressed fusion targets, taking full account of collective magnetic effects and the hydr…

gr-qc2008★ 11 cited

A constraint on antigravity of antimatter from precision spectroscopy of simple atoms

Savely G. Karshenboim

Consideration of antigravity for antiparticles is an attractive target for various experimental projects. There are a number of theoretical arguments against it but it is not quite…

quant-ph2008★ 133 cited

Two-photon gateway in one-atom cavity quantum electrodynamics

A. Kubanek, A. Ourjoumtsev, I. Schuster +4

Single atoms absorb and emit light from a resonant laser beam photon by photon. We show that a single atom strongly coupled to an optical cavity can absorb and emit resonant photon…

quant-ph2008★ 96 cited

Dynamical Coupling between a Bose-Einstein Condensate and a Cavity Optical Lattice

Stephan Ritter, Ferdinand Brennecke, Kristian Baumann +3

A Bose-Einstein condensate is dispersively coupled to a single mode of an ultra-high finesse optical cavity. The system is governed by strong interactions between the atomic motion…

quant-ph2008★ 30 cited

Classical simulation of quantum computation, the Gottesman-Knill theorem, and slightly beyond

M. Van den Nest

We study classical simulation of quantum computation, taking the Gottesman-Knill theorem as a starting point. We show how each Clifford circuit can be reduced to an equivalent, man…

quant-ph2008★ 69 cited

Pairing in fermionic systems: A quantum information perspective

Christina V. Kraus, Michael M. Wolf, J. Ignacio Cirac +1

The notion of "paired" fermions is central to important condensed matter phenomena such as superconductivity and superfluidity. While the concept is widely used and its physical me…

cond-mat.other2008

A Dissipative Tonks-Girardeau Gas of Molecules

S. Dürr, N. Syassen, D. M. Bauer +6

Strongly correlated states in many-body systems are traditionally created using elastic interparticle interactions. Here we show that inelastic interactions between particles can a…

quant-ph2008★ 29 cited

Critical exponents of one-dimensional quantum critical models by means of MERA tensor network

S. Montangero, M. Rizzi, V. Giovannetti +1

An algorithm for optimizing the MERA tensor network in an infinite system is presented. Using this technique we compute the critical exponents of Ising and XXZ model.

cond-mat.other2008★ 167 cited

Ultracold Heteronuclear Fermi-Fermi Molecules

A. -C. Voigt, M. Taglieber, L. Costa +4

We report on the first creation of ultracold bosonic heteronuclear molecules of two fermionic species, 6Li and 40K, by a magnetic field sweep across an interspecies s-wave Feshbach…