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UAB Digital Repository of Documents 142 records found  beginprevious122 - 131nextend  jump to record: Search took 0.01 seconds. 
122.
4 p, 202.8 KB Cavity cooling of internal molecular motion / Morigi, Giovanna (Universitat Autònoma de Barcelona. Departament de Física) ; Pinkse, Pepijn W. H. (Max-Planck-Institut für Quantenoptik) ; Kowalewski, Markus (Ludwig-Maximilians-Universität München) ; de Vivie-Riedle, Regina (Ludwig-Maximilians-Universität München) ; American Physical Society
We predict that it is possible to cool rotational, vibrational, and translational degrees of freedom of molecules by coupling a molecular dipole transition to an optical cavity. The dynamics is numerically simulated for a realistic set of experimental parameters using OH molecules. [...]
2007 - 10.1103/PhysRevLett.99.073001
Physical review letters, Vol. 99, Issue 7 (August 2007) , p. 73001  
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123.
4 p, 474.4 KB Non-Markovian model for transport and reactions of particles in spiny dendrites / Fedotov, Sergei (University of Manchester. Department of Mathematics) ; Méndez López, Vicenç (Universitat Autònoma de Barcelona. Departament de Física) ; American Physical Society
Motivated by the experiments [Santamaria et al. , Neuron 52, 635 (2006)] that indicated the possibility of subdiffusive transport of molecules along dendrites of cerebellar Purkinje cells, we develop a mesoscopic model for transport and chemical reactions of particles in spiny dendrites. [...]
2008 - 10.1103/PhysRevLett.101.218102
Physical review letters, Vol. 101, Issue 21 (November 2008) , p. 218102  
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124.
4 p, 233.5 KB Mott insulator states of ultracold atoms in optical resonators / Larson, Jonas (Institut de Ciències Fotòniques) ; Damski, Bogdan (Los Alamos National Laboratory) ; Morigi, Giovanna (Universitat Autònoma de Barcelona. Departament de Física) ; Lewenstein, Maciej (Institució Catalana de Recerca i Estudis Avançats) ; American Physical Society
We study the low temperature physics of an ultracold atomic gas in the potential formed inside a pumped optical resonator. Here, the height of the cavity potential, and hence the quantum state of the gas, depends not only on the pump parameters, but also on the atomic density through a dynamical ac-Stark shift of the cavity resonance. [...]
2008 - 10.1103/PhysRevLett.100.050401
Physical review letters, Vol. 100, Issue 5 (February 2008) , p. 50401  
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125.
4 p, 1.3 MB Measuring the complete transverse spatial mode spectrum of a wave field / Fernández Calvo, Gabriel (Instituto de Matemàtica Aplicada en Ciencia e Ingeniería (Ciudad Real)) ; Picón Álvarez, Antonio (Universitat Autònoma de Barcelona. Departament de Física) ; Zambrini, Roberta (Institute for Cross-Disciplinary Physics and Complex Systems (Palma de Mallorca)) ; American Physical Society
We put forward a method that allows the experimental determination of the entire spatial mode spectrum of any arbitrary monochromatic wave field in a plane normal to its propagation direction. For coherent optical fields, our spatial spectrum analyzer can be implemented with a small number of benchmark refractive elements embedded in a single Mach-Zehnder interferometer. [...]
2008 - 10.1103/PhysRevLett.100.173902
Physical review letters, Vol. 100, Issue 17 (April 2008) , p. 173902  
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126.
4 p, 1.0 MB Magnetic frustration in an iron-based Cairo pentagonal lattice / Ressouche, Eric (Commissariat à l'Énergie Atomique et aux Énergies Alternatives (França)) ; Simonet, V. (Institut Néel (Grenoble, França)) ; Canals, B. (Institut Néel (Grenoble, França)) ; Gospodinov, M. (Bulgarian Academy of Sciences. Institute of Solid State Physics) ; Skumryev, Vassil (Universitat Autònoma de Barcelona. Departament de Física) ; American Physical Society
The Fe3+ lattice in the Bi2Fe4O9 compound is found to materialize the first analogue of a magnetic pentagonal lattice. Because of its odd number of bonds per elemental brick, this lattice, subject to first neighbor antiferromagnetic interactions, is prone to geometric frustration. [...]
2009 - 10.1103/PhysRevLett.103.267204
Physical review letters, Vol. 103, Issue 26 (December 2009) , p. 267204  
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127.
4 p, 261.2 KB Magnetic proximity effect features in antiferromagnetic/ferrimagnetic core-shell nanoparticles / Golosovsky, I. V. (Peterburgskiĭ institut i︠a︡dernoĭ fiziki im. B.P. Konstantinova) ; Suriñach, Santiago (Suriñach Cornet) (Universitat Autònoma de Barcelona. Departament de Física) ; Salazar Álvarez, Germán (Centre d'Investigació en Nanociència i Nanotecnologia) ; López-Ortega, Alberto (Centre d'Investigació en Nanociència i Nanotecnologia) ; Gonzalez, M. A. (Institut Laue Langevin) ; Sort Viñas, Jordi (Universitat Autònoma de Barcelona. Departament de Física) ; Estrader, Marta (Centre d'Investigació en Nanociència i Nanotecnologia) ; Baró, M. D.. (Universitat Autònoma de Barcelona. Departament de Física) ; Nogués, Josep (Universitat Autònoma de Barcelona. Departament de Física) ; American Physical Society
A study of "inverted" core-shell, MnO/γ-Mn2O3, nanoparticles is presented. Crystal and magnetic structures and characteristic sizes have been determined by neutron diffraction for the antiferromagnetic core (MnO) and the ferrimagnetic shell (γ-Mn2O3). [...]
2009 - 10.1103/PhysRevLett.102.247201
Physical review letters, Vol. 102, Issue 24 (June 2009) , p. 247201  
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128.
4 p, 190.3 KB Entanglement percolation in quantum complex networks / Cuquet Palau, Martí (Universitat Autònoma de Barcelona. Departament de Física) ; Calsamiglia Costa, John (Universitat Autònoma de Barcelona. Departament de Física) ; American Physical Society
Quantum networks are essential to quantum information distributed applications, and communicating over them is a key challenge. Complex networks have rich and intriguing properties, which are as yet unexplored in the quantum setting. [...]
2009 - 10.1103/PhysRevLett.103.240503
Physical review letters, Vol. 103, Issue 24 (December 2009) , p. 240503  
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129.
4 p, 564.5 KB Destabilization of the Mg-H system through elastic constraints / Baldi Coll, Antoni. (University Amsterdam. Department of Physics and Astronomy) ; González Silveira, Marta (University Amsterdam. Department of Physics and Astronomy) ; Palmisano, V. (University Amsterdam. Department of Physics and Astronomy) ; Dam, B. (Technical University Delft. DelftChemTech) ; Griessen, R. (University Amsterdam. Department of Physics and Astronomy) ; American Physical Society
We tune the thermodynamics of hydrogen absorption in Mg by means of elastic clamping. The loading isotherms measured by hydrogenography show that Mg films covered with Mg-alloy-forming elements, such as Pd and Ni, have hydrogen plateau pressures more than 2 orders of magnitude higher than bulk Mg at the same temperature. [...]
2009 - 10.1103/PhysRevLett.102.226102
Physical review letters, Vol. 102, Issue 22 (June 2009) , p. 226102  
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130.
4 p, 160.1 KB Local discrimination of mixed states / Calsamiglia Costa, John (Universitat Autònoma de Barcelona. Departament de Física) ; de Vicente Majúa, Julio Íñigo (Universitat Autònoma de Barcelona. Departament de Física) ; Muñoz Tapia, Ramon (Universitat Autònoma de Barcelona. Departament de Física) ; Bagán Capella, Emili (Universitat Autònoma de Barcelona. Departament de Física) ; American Physical Society
We provide rigorous, efficiently computable and tight bounds on the average error probability of multiple-copy discrimination between qubit mixed states by local operations assisted with classical communication (LOCC). [...]
2010 - 10.1103/PhysRevLett.105.080504
Physical review letters, Vol. 105, Issue 8 (August 2010) , p. 80504  
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131.
4 p, 111.8 KB Gravitational anomaly and transport phenomena / Landsteiner, Karl (Universidad Autónoma de Madrid. Instituto de Física Teórica) ; Megías Fernández, Eugenio (Universitat Autònoma de Barcelona. Departament de Física) ; Pena-Benítez, Francisco (Universidad Autónoma de Madrid. Instituto de Física Teórica) ; American Physical Society
Quantum anomalies give rise to new transport phenomena. In particular, a magnetic field can induce an anomalous current via the chiral magnetic effect and a vortex in the relativistic fluid can also induce a current via the chiral vortical effect. [...]
2011 - 10.1103/PhysRevLett.107.021601
Physical review letters, Vol. 107, Issue 2 (July 2011) , p. 21601  
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