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Publications 2012

An Optical­Lattice­Based Quantum Simulator For Relativistic Field Theories and Topological Insulators. Autor: Leonardo Mazza, Alejandro Bermudez, Nathan Goldman, Matteo Rizzi, Miguel An­ gel Martin­Delgado, Maciej Lewenstein. Article: Revista: New J. Phys. 14 015007 (2012); (fecha: 2012). arXiv:1105.0932.

Invariant Forms and Automorphisms of LocallyHomogeneous Multisymplectic Manifolds. Autor: A. Echeverría­Enríquez, A. Ibort, M.C. Muñoz­ Lecanday, N. Román­Roy. Article: Revista: Journal of Geometric Mechanics (fecha:2012). Publicación: 4 (4) (pág: 1­24) doi:10.3934/jgm.2012.4.xx.

A representation theorem for orthogonally additive polynomials in Riesz Spaces. Autor: A. Ibort, P. Linares, JLG. Llavona. Article: Revista: Rev. Mat. Complutense (fecha: 2012) Publicación: 25 (1). (pág: 21–30). DOI: 10.1007/s13163­ 010­0053­4.

Reduction of Lie­­Jordan Banach algebras and quantum states. Autor: F. Falceto, L. Ferro, A. Ibort, G. Marmo. Article:Revista: J. Phys. A: Math. Theor. (fecha: 2012) Publicación: 46. (pág: 015201 (14pp)) doi:10.1088/1751­8113/46/1/015201.

Quantum Magnetism of Spin­Ladder Compounds with Trapped­Ion Crystals. Autor:A. Bermudez, J. Almeida, K. Ott, H. Kaufmann, S. Ulm, U Poschinger, F. Schmidt­Kaler, A. Retzker, and M. B. Plenio. Article: Revista: New Journal of Physics (fecha: 25/09/12) Publicación: 14 (pág: 093042)­2630/14/9/093042

Photon­Assisted­TunnelingToolbox for Quantum Simulations in IonTraps, Autor: A. Bermudez, T. Schaetz, and D. Porras. Article Revista: New Journal of Physics (fecha: 31/05/12) Publicación: 14 (pág:053049)­2630/14/5/053049.

Rydberg­Atom Quantum Simulation and Chern Number Characterization of a Topological Mott Insulator. Autor: A. Dauphin, M. Müller, M.A. Martin-­Delgado.Article Revista: Phys. Rev. A 86, 053618 (2012) (fecha: 20
November 2012). In this work we consider a system of spinless fermions with nearest and next­to­nearest neighbor interactions on a honeycomb lattice, and a realistic scheme of this model with cold atoms in a two­dimensional hexagonal optical lattice.

Laughlin spin liquid states on lattices obtained from conformal field theory. Autor:A. E. B. Nielsen, J. I. Cirac, G. Sierra. Article: Revista: Phys. Rev (fecha: 2012) Lett. 108, 257206 (2012) arXiv:1201.3096.

Mesoscopic Entanglement Induced by Spontaneous Emission in Solid­State Quantum Optics. Autor:A. Gonzalez­Tudela, D. Porras. Article Revista: Physical Review Letters 110, 080502 (septiembre 2012) 10.1103/PhysRevLett.110.080502.

Three lectures on global boundary conditions and the theory of self–adjoint extensions of the covariant Laplace–Beltrami and Dirac operators on Riemannian manifolds with boundary. Autor:A. Ibort. Proceedings Revista: (fecha: 2012) Publicación: 1460 (pág: 15­54). XX International Fall Workshop AIP Conference Proceddings on Geometry and Physics. AIP Confer­ ence Procedding. doi:

The geometry of integrable and superintegrable systems. Autor: A. Ibort, G. Marmo. Article: Revista: Theoretical and Mathematical Physics (fecha: 2012) Publicación: 172 (2) (pág: 1109­1117).

Fisher information as a generalized measure of coherence in classical and quantum optics. Autor:A. Luis
Article: Revista: Optics Express Volumen, pág.20, 24686­24698 (2012) .

Sub­Heisenberg estimation of non­random phase shifts. Autor:A. Rivas, A. Luis. Article: Revista: New Journal of Physics. Volumen, pág: 14, 093052 (2012) (fecha: 9/26/2012)­2630/14/9/093052.

Bond disorder induced criticality of the three­color Ashkin­Teller model.Autor: Arash Bellafard, Helmut G. Katzgraber, Matthias Troyer, and Sudip Chakravarty. Article: Revista: Phys. Rev. (fecha: 2012) .Phys. Rev. Lett. 109, 155701 (2012), (arXiv:cond­mat/1207.1080).

Evidence of non­mean­field­like low­temperature behavior in the Edwards­Anderson spin­glass model. Autor: B. Yucesoy, Helmut G. Katzgraber, J. Machta Article: Revista: Phys. Rev. (fecha: 2012). Phys. Rev. Lett. 109, 177204 (2012), (arXiv:cond­mat/1206.0783), see commentary by A. A. Middleton in the condensed matter journal

Extracting Past­Future Vacuum Correlations Using Circuit QED. Autor:C. Sabin, B. Peropadre, M. del Rey, E. Martin­Martinez. Article: Revista: Physical Review Letters (fecha: 17/07/12) Publicación: 109 (pág: 033602) Lett.109.033602.

Gapless Hamiltonians for the toric code using the PEPS formalism. Autor: Carlos Fernández­ González, Norbert Schuch, Michael M. Wolf, J. Ignacio Cirac, David Pérez­García. Article: Revista: Phys. Rev. Lett. 109, 260401 (2012).

On the largest Bell violation attainable by a quantum state. Autor: Carlos Palazuelos. Article: Revista: arXiv:1206.3695 (2012).

Super­activation of quantum non­locality. Autor: Carlos Palazuelos .Article: Revista: Phys. Rev. Lett. 109, 190401 (2012).

Extracting past­future vacuum correlations using circuit QED . Autor: Carlos Sabin, Borja Peropadre, Marco del Rey, Eduardo Martin­Martinez. Article: Revista: Physical Review Letters (fecha: 17/07/12) Publicación: 109
(pág: 033602) Lett.109.033602.

Experimental quantum simulations of many­body physics with trapped ions Ch Schneider,Autor: Diego Porras and Tobias Schaetz Article: Revista: 2012 Rep. Prog. Phys. 75 024401 doi:10.1088/0034­4885/75/2/024401 (fecha: 2012) Comentarios: 10.1088/0034­4885/75/2/024401.

Atomic Quantum Simulation of Dynamical Gauge Fields coupled to Fermionic Matter: From String Breaking to Evolution after a Quench. Autor: D. Banerjee, M. Dalmonte, M. Müller, E. Rico, P. Stebler, U.­J. Wiese, P. Zoller Article: Revista: Phys. Rev. Lett. 109, 175302 (2012) (fecha: 2012). Using a Fermi­Bose mixture of ultra­ cold atoms in an optical lattice, we construct a quantum simulator for a U(1) gauge theory coupled to fermionic matter.

Untainted Puncturing for Irregular Low­Density Parity­ Check Codes. Autor: D. Elkouss; J. Martinez­ Mateo; V. Martin. Article: Revista: IEEE Wireless Communications Letters (fecha: 01/12/12). Capítulo: vol. 1, no. 6 (pág: 585­588)

Untainted Puncturing for Irregular Low­Density Parity­ Check Codes. Autor: David Elkouss, Jesus Martinez­Mateo, Vicente Martin. Article: Revista: Wireless Communications Letters, IEEE Vol. 1 (2012) 585 – 588 (fecha: 2012).

Topological and Entanglement Properties of Resonating Valence Bond wavefunctions. Autor: Didier Poilblanc, Norbert Schuch, David Pérez­ García, J. Ignacio Cirac.Article: Revista: Physical Review B 86, 014404 (2012).

Quantum Simulation of the Cooperative Jahn­Teller Transition in 1D Ion Crystals. Autor: Diego Porras, Peter A. Ivanov, and Ferdinand Schmidt­Kaler. Article: Revista: Phys. Rev. Lett. 108, 235701 – Published 5 June 2012.

The fate of non­trivial entanglement under gravitational collapse. Autor: Eduardo Martin­Martinez, Luis J. Garay, Juan Leon .Article :Revista: Classical and Quantum Gravity (fecha:18/10/12) Publicación: 29 (pág: 224006)­9381/29/22/224006/.

Google in a Quantum Network. Autor: G.D. Paparo and M. A. Martin­Delgado. ArticleRevista: Sci.Rep (Nature Publ. group) {\textbf 2},444 (2012).

General covariant xp models and the Riemann zeros. Autor: G.Sierra, J. Phys. A: Math. Theor. Article: Revista: 45 055209 (2012).

Universal topological phase of 2D stabilizer codes. Autor:H. Bombin, G. Duclos­ Cianci, D. Poulin. Article: Revista: New J. Phys. (2012) Comentarios: New J. Phys. 14, 073048.

Strong Resilience of Topological Codes to Depolarization. Autor: H. Bombin, R. S. Andrist, M. Ohzeki, H. G. Katzgraber, M. A. Martin­ Delgado. Article: Revista: Phys. Rev. (fecha: 2012). Phys. Rev. X 2,021004 (arXiv:quant­ph/1202.1852, see Physics Viewpoint by D. Gottesman). Este artículo recibió una gran atención y el prestigioso prof. Daniel Gottesman escribió un artículo en la American Physical Society alabándolo: Viewpoint in APS.

Boolean decision problems with competing interactions on scale­free networks: Critical thermodynamics. Autor: Helmut G. Katzgraber, Katharina Janzen and Creighton K. Thomas. Article: Revista: Phys. Rev. ( 2012)  Phys. Rev. E 86, 031116 (2012), (arXiv:cond­mat/1202.1153).

Ultrametric probe of the spin­glass state in a field. Autor: Helmut G. Katzgraber, Thomas Jorg, Florent Krzakala, Alexander K. Hartmann. Article: Revista: Phys. Rev (2012) Phys. Rev. B 86, 184405 (2012), (arXiv:cond­mat/1205.4200).

Blind Reconciliation. Autor: J. Martinez­Mateo; D. Elkouss; V. Martin. Article: Revista: Quantum Information & Computation. (01/09/12). Capítulo: vol. 12, no. 9&10 (pág: 791­812).

Qubism: self­similar visualization of many­body wavefunctions. Autor: J. Rodriguez­Laguna, P. Migdal, M. Ibanez Berganza,M. Lewenstein, G. Sierra. Article: New J. Phys. (fecha: 2012) 14 053028 (2012);arXiv:1112.3560.

An order parameter for symmetry­protected phases in one dimension. Autor: Jutho Haegeman, David Perez­Garcia, Ignacio Cirac, Norbert Schuch. Article: Revista: Phys. Rev. Lett. 109, 050402 (2012).

Folding and unfolding quantum states. Autor: L. Ferro, A. Ibort. Article: Revista: "International Journal of Geometric Methods in Modern Physics" (2012) Publicación: 9 (2) (pág: 1260028).

An Optical­Lattice­Based Quantum Simulator For Relativistic Field Theories and Topological Insulators. Autor: L. Mazza, A. Bermudez, N. Goldman, M. Rizzi, M.A. Martin­Delgado, M. Lewenstein Article: Revista: New Journal of Physics (fecha: 31/01/12) Publicación: 14 (pág: 015007).­2630/14/1/015007.

Simulating accelerated atoms coupled to a quantum field. Autor: M. Bienert, Diego Porras. Article: Revista: Phys. Rev. A 85, 022511 (2012). (2012). vA.85.022511 . We show an analogy between static quantum emitters coupled to a single mode of a quantum field and accelerated Unruh­DeWitt detectors.

Dynamics of atom–atom correlations in the Fermi problem. Autor: M. Borrelli, C. Sabín, G. Adesso, F. Plastina and S. Maniscalco. Article: Revista: New Journal of Physics (fecha: 03/10/12) Publicación: 14 (pág: 103010)­2630/14/10/103010.

Enhanced energy transfer in structured environments: the phonon antenna mechanism. Autor: M. DEL REY, A. CHIN, S. F. HUELGA, M. B. PLENIO Article: Revista: J. Phys. Chem. Lett. (fecha: 29/30/12) Publicación: 4//2013 (pág: 903­907)

Non­monotonic entanglement of physical EM field states in non­inertial frames . Autor: M. Montero, M. Del Rey, E. Martin­Martinez. Article: Revista: Physical Review A (fecha: 05/06/12) Publicación: 86 (pág: 12304) vA.86.012304.

Engineered Open Systems and Quantum Simulations with Atoms and Ions. Autor: M. Müller, S. Diehl, G. Pupillo, P. Zoller. Article: Revista: Advances in Atomic, Molecular, and Optical Physics 61, 1­80 (2012) 79 pages, 23 figures, review article submitted to Advances in Atomic, Molecular and Optical Physics.

Entanglement of excited states in critical spin chains. Autor: M. Ibanez Berganza, F. C. Alcaraz, G. Sierra, J. Stat. Mech. Article: Revista: (2012) P01016 (2012); arXiv:1109.5673.

On Quantum Effects in a Theory of Biological Evolution. Autor: M.A. Martin­Delgado. Article: Revista: Sci. Rep. 2, 302; (2012);; (2012) arXiv:1109.0383.

Short­time quantum detection: Probing quantum fluctuations. Autor: Marco del Rey, Carlos Sabín, and Juan León. Article: Revista: Physical Review A (fecha: 09/04/12) Publicación: 85 (pág: 045802) vA.85.045802

Simulating accelerated atoms coupled to a quantum field. Autor: Marco del Rey, Diego Porras, and Eduardo Martín­Martínez Article:  Revista: Phys. Rev. A 85, 022511 – Published 21 February 2012 vA.85.022511.

Quantum Steering and Space­Like Separation. Autor: Miguel Navascues, David Perez­Garcia. Article Revista: Phys. Rev. Lett. 109, 160405 (2012).

A physical approach to Tsirelson's problem. Autor: Miguel Navascues, Tom Cooney, David Perez­ Garcia, Ignacio Villanueva .Article: Revista: Found. Phys. 42, 985­995 (2012)

Resonating valence bond states in the PEPS formalism. Autor: Norbert Schuch, Didier Poilblanc, J. Ignacio Cirac, David Perez­Garcia. Article: Revista: Phys. Rev. B 86, 115108 (2012).

Generalized Toric Codes Coupled to Thermal Baths. Autor: O. Viyuela, A. Rivas, M. A. Martin-­Delgado. Article: Revista: New J. Phys. 14 033044 (2012). We have studied the dynamics of a generalized toric code based on qudits at finite temperature by finding the master equation coupling the code's degrees of freedom to a thermal bath.

Thermal Instability of Protected End States in a 1­D Topological Insulator. Autor: O. Viyuela, A. Rivas, M.A. Martin­Delgado. Article Revista: Phys. Rev. B 86, 155140 (2012) (fecha: 23 October 2012). We have studied the dynamical thermal effects on the protected end states of a topological insulator (TI) when it is considered as
an open quantum system in interaction with a noisy environment at a certain temperature T.

Optimal error correction in topological subsystem codes. Autor: Ruben S. Andrist, H. Bombín, H. G. Katzgraber, M.­A. Martín­Delgado. Article: Revista: Phys. Rev. A 85, 050302(R).arXiv:quant­ph/1204.1838.: A promising approach to overcome decoherence in quantum computing schemes is to perform active quantum error correction using topology.

Non­Markovianity­Assisted Steady State Entanglement. Autor: S. F. Huelga, A. Rivas, M. B. Plenio Article Revista: Physical Review Letters 108 160402 (2912)(4/20/2012) Lett.108.160402

Matrix Product States with long­range Localizable Entanglement. Autor: Thorsten B. Wahl, David Perez­Garcia, J. Ignacio Cirac. Article Revista: Phys. Rev. A 86, 062314 (2012).

Extracting dynamical equations from experimental data is NP­hard . Autor:Toby S. Cubitt, Jens Eisert, Michael M. Wolf Article:Revista: Phys. Rev. Lett. 108, 120503 (2012).