Quantum Physics

Authors and titles for March 2011

[101] arXiv:1103.1862 [pdf, other]

Title: Scaling Behavior of Quantum Nanosystems: Emergence of Quasi-particles, Collective Modes, and Mixed Exchange Symmetry States

Zeina Shreif, Peter Ortoleva

Comments: Copyright 2011 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics; Keywords: Quantum nanosystems, coarse-grained wave equation, mean field theory, multiscale analysis

Journal-ref: Journal of Chemical Physics, 2011. 134, 104106

Subjects: Quantum Physics (quant-ph); Statistical Mechanics (cond-mat.stat-mech)

[102] arXiv:1103.1868 [pdf, other]

Title: Atom Counting in Expanding Ultracold Clouds

Sibylle Braungardt, Mirta Rodríguez, Aditi Sen De, Ujjwal Sen, Maciej Lewenstein

Journal-ref: Phys. Rev. A 84 043635 (2011)

Subjects: Quantum Physics (quant-ph)

[103] arXiv:1103.1872 [pdf, other]

Title: A New Phase Time Formula for Opaque Barrier Tunneling

Stefano De Leo, Vinicius Leonardi

Comments: 9 pages, 2 figures

Journal-ref: Journal of Physics A: Math. Theor. 44, 085305-9 (2011)

Subjects: Quantum Physics (quant-ph); Mathematical Physics (math-ph)

[104] arXiv:1103.1879 [pdf, other]

Title: Disproof of Bell's Theorem

Joy Christian (Oxford)

Comments: 1 page; Substantively improved and simplified version

Subjects: Quantum Physics (quant-ph); General Relativity and Quantum Cosmology (gr-qc); General Physics (physics.gen-ph)

[105] arXiv:1103.1885 [pdf, other]

Title: Feasibility of self-correcting quantum memory and thermal stability of topological order

Beni Yoshida

Comments: 72 pages, 37 figures; final version, added discussion on topological order, Annals of Physics

Journal-ref: Annals of Physics 326, (2011) 2566-2633

Subjects: Quantum Physics (quant-ph); Strongly Correlated Electrons (cond-mat.str-el); Mathematical Physics (math-ph)

[106] arXiv:1103.1904 [pdf, other]

Title: Adiabatic quantum optimization with qudits

M. H. S. Amin, Neil G. Dickson, Peter Smith

Comments: 12 pages, 4 figures

Subjects: Quantum Physics (quant-ph); Mesoscale and Nanoscale Physics (cond-mat.mes-hall); Superconductivity (cond-mat.supr-con)

[107] arXiv:1103.1907 [pdf, other]

Title: Sequential measurement-based quantum computing with memories

Augusto J. Roncaglia, Leandro Aolita, Alessandro Ferraro, Antonio Acin

Comments: 6 pages, 4 figures

Journal-ref: Phys. Rev. A 83, 062332 (2011)

Subjects: Quantum Physics (quant-ph)

[108] arXiv:1103.1969 [pdf, other]

Title: Coherent cavity networks with complete connectivity

Elica S. Kyoseva, Almut Beige, Leong Chuan Kwek

Comments: revised version, improved analysis, 4 pages and 4 figures

Journal-ref: New Journal of Physics 14, 023023 (2012)

Subjects: Quantum Physics (quant-ph)

[109] arXiv:1103.1972 [pdf, other]

Title: Informational power of quantum measurements

Michele Dall'Arno, Giacomo Mauro D'Ariano, Massimiliano F. Sacchi

Comments: 9 pages, 3 figures, added references, published version

Journal-ref: Phys. Rev. A 83, 062304 (2011)

Subjects: Quantum Physics (quant-ph)

[110] arXiv:1103.2032 [pdf, other]

Title: Raman-assisted Rabi resonances in two-mode cavity QED

P. Grünwald, S. K. Singh, W. Vogel

Comments: 6 pages, 5 figures

Journal-ref: Phys. Rev. A Vol. 83, 063806 (2011)

Subjects: Quantum Physics (quant-ph)

[111] arXiv:1103.2131 [pdf, other]

Title: Light storage in an optically thick atomic ensemble under conditions of electromagnetically induced transparency and four-wave mixing

Nathaniel B. Phillips, Alexey V. Gorshkov, Irina Novikova

Comments: 13 pages, 10 figures

Journal-ref: Phys. Rev. A 83, 063823 (2011)

Subjects: Quantum Physics (quant-ph)

[112] arXiv:1103.2144 [pdf, other]

Title: Sideband Cooling Micromechanical Motion to the Quantum Ground State

J. D. Teufel, T. Donner, Dale Li, J. H. Harlow, M. S. Allman, K. Cicak, A. J. Sirois, J. D. Whittaker, K. W. Lehnert, R. W. Simmonds

Comments: 13 pages, 7 figures

Journal-ref: Nature 475, 359-363 (2011)

Subjects: Quantum Physics (quant-ph)

[113] arXiv:1103.2178 [pdf, other]

Title: Experimental magic state distillation for fault-tolerant quantum computing

Alexandre M. Souza, Jingfu Zhang, Colm A. Ryan, Raymond Laflamme

Journal-ref: Nature Communications, 2, 169 (2011)

Subjects: Quantum Physics (quant-ph)

[114] arXiv:1103.2195 [pdf, other]

Title: An optical fusion gate for W-states

Sahin Kaya Ozdemir, Eiji Matsunaga, Toshiyuki Tashima, Takashi Yamamoto, Masato Koashi, Nobuyuki Imoto

Comments: 13 Pages, 5 Figures, 38 References

Subjects: Quantum Physics (quant-ph)

[115] arXiv:1103.2201 [pdf, other]

Title: A New Paradigm for Quantum Nonlocality

Yang D. Li

Comments: submitted to PRL

Subjects: Quantum Physics (quant-ph); Computational Complexity (cs.CC)

[116] arXiv:1103.2253 [pdf, other]

Title: A single ion as a shot noise limited magnetic field gradient probe

Andreas Walther, Ulrich Poschinger, Frank Ziesel, Max Hettrich, Alex Wiens, Jens Welzel, Ferdinand Schmidt-Kaler

Comments: 5 pages, 3 figures

Journal-ref: Physical Review A 83, 062329 (2011)

Subjects: Quantum Physics (quant-ph)

[117] arXiv:1103.2270 [pdf, other]

Title: Visibility bound caused by a distinguishable noise particle

Miroslav Gavenda, Lucie Celechovska, Jan Soubusta, Miloslav Dusek, Radim Filip

Comments: 5 pages, 3 figures, Accepted to Phys. Rev. A

Journal-ref: Phys. Rev. A 83, 042320 (2011)

Subjects: Quantum Physics (quant-ph)

[118] arXiv:1103.2272 [pdf, other]

Title: The Impact of Giulio Racah on Crystal- and Ligand-field Theories

Maurice Robert Kibler (IPNL)

Journal-ref: International Conference in Commemoration of the Centenary of the Birth of G. Racah (1909-1965) - Zaragoza, Spain, 22-24 February 2010, Zaragoza : Spain (2010)

Subjects: Quantum Physics (quant-ph); Other Condensed Matter (cond-mat.other)

[119] arXiv:1103.2283 [pdf, other]

Title: Extended coherence time on the clock transition of optically trapped Rubidium

G. Kleine Büning, J. Will, W. Ertmer, E. Rasel, J. Arlt, C. Klempt, F. Ramirez-Martinez, F. Piéchon, P. Rosenbusch

Comments: 5 pages, 4 figures

Journal-ref: Phys. Rev. Lett. 106, 240801 (2011)

Subjects: Quantum Physics (quant-ph); Quantum Gases (cond-mat.quant-gas); Atomic Physics (physics.atom-ph)

[120] arXiv:1103.2286 [pdf, other]

Title: Variational matrix product ansatz for dispersion relations

Jutho Haegeman, Bogdan Pirvu, David J. Weir, J. Ignacio Cirac, Tobias J. Osborne, Henri Verschelde, Frank Verstraete

Comments: Published version

Journal-ref: Phys. Rev. B 85, 100408(R) (2012)

Subjects: Quantum Physics (quant-ph); Statistical Mechanics (cond-mat.stat-mech); Strongly Correlated Electrons (cond-mat.str-el)

[121] arXiv:1103.2304 [pdf, other]

Title: NOON-state formation from Fock-state Bose-Einstein condensates

H. Cable, F. Laloë, W. J. Mullin

Comments: 18 pages, 15 figures

Journal-ref: Phys. Rev. A 83, 053626 (2011)

Subjects: Quantum Physics (quant-ph)

[122] arXiv:1103.2316 [pdf, other]

Title: Entropic uncertainty relations and the stabilizer formalism

Sönke Niekamp, Matthias Kleinmann, Otfried Gühne

Comments: 9 pages, 2 figures; published version

Journal-ref: J. Math. Phys. 53, 012202 (2012)

Subjects: Quantum Physics (quant-ph)

[123] arXiv:1103.2327 [pdf, other]

Title: Device calibration impacts security of quantum key distribution

Nitin Jain, Christoffer Wittmann, Lars Lydersen, Carlos Wiechers, Dominique Elser, Christoph Marquardt, Vadim Makarov, Gerd Leuchs

Comments: 4 pages + 1 page of supplementary information. Considerable modification of Eve's attack strategy and QBER minimization technique. All figures have also been improved

Journal-ref: Physical Review Letters 107, 110501 (2011)

Subjects: Quantum Physics (quant-ph)

[124] arXiv:1103.2339 [pdf, other]

Title: Coherent adiabatic transport of atoms in radio-frequency traps

T. Morgan, B. O'Sullivan, Th. Busch

Comments: 7 pages, 7 figures

Journal-ref: Phys. Rev. A 83, 053620 (2011)

Subjects: Quantum Physics (quant-ph); Quantum Gases (cond-mat.quant-gas)

[125] arXiv:1103.2343 [pdf, other]

Title: Time evolution of projected entangled pair states in the single layer picture

Iztok Pizorn, Ling Wang, Frank Verstraete

Comments: 7 pages, 5 pdf figures, revtex4-1

Journal-ref: Phys. Rev. A 83, 052321 (2011)

Subjects: Quantum Physics (quant-ph); Strongly Correlated Electrons (cond-mat.str-el)

[126] arXiv:1103.2365 [pdf, other]

Title: Optimal signal states for quantum detectors

Ognyan Oreshkov, John Calsamiglia, Ramon Munoz-Tapia, Emili Bagan

Comments: 13 pages, 1 figure, example section extended

Journal-ref: New J. Phys. 13, 073032 (2011)

Subjects: Quantum Physics (quant-ph)

[127] arXiv:1103.2368 [pdf, other]

Title: Proposal for entangling remote micromechanical oscillators via optical measurements

K. Borkje, A. Nunnenkamp, S. M. Girvin

Comments: 4 pages, 2 figures + supplementary material (7 pages, 2 figs). Updates in v2: New Eq. (7) and Fig. 1 - results unchanged. Added supplementary material with various details. Updates in v3: Minor changes, journal ref. added

Journal-ref: Phys. Rev. Lett. 107, 123601 (2011)

Subjects: Quantum Physics (quant-ph); Mesoscale and Nanoscale Physics (cond-mat.mes-hall)

[128] arXiv:1103.2395 [pdf, other]

Title: Dipolar Bose-Einstein condensate of Stationary-Light Dark-state Polaritons

Frank E. Zimmer, Gor Nikoghosyan, Martin B. Plenio

Comments: 5 pages, 1 figure

Subjects: Quantum Physics (quant-ph); Quantum Gases (cond-mat.quant-gas)

[129] arXiv:1103.2399 [pdf, other]

Title: Some ambiguities with point split regularization and its impact on a proof of the spatial quantum inequality

Dan Solomon

Comments: 21 pages

Subjects: Quantum Physics (quant-ph); General Relativity and Quantum Cosmology (gr-qc)

[130] arXiv:1103.2400 [pdf, other]

Title: Onset of a Quantum Phase Transition with a Trapped Ion Quantum Simulator

R. Islam, E. E. Edwards, K. Kim, S. Korenblit, C. Noh, H. Carmichael, G.-D.Lin, L.-M. Duan, C.-C. Joseph Wang, J. K. Freericks, C. Monroe

Comments: 7 pages, 4 figures

Journal-ref: Nature Commun. 2, 377 (2011)

Subjects: Quantum Physics (quant-ph); Atomic Physics (physics.atom-ph)

[131] arXiv:1103.2435 [pdf, other]

Title: Non-Abelian quantum holonomy of hydrogen-like atoms

Vahid Azimi Mousolou, Carlo M. Canali, Erik Sjöqvist

Comments: Shortened version; journal reference added

Journal-ref: Phys. Rev. A 84, 032111 (2011)

Subjects: Quantum Physics (quant-ph)

[132] arXiv:1103.2460 [pdf, other]

Title: On the Dirac equation with PT-symmetric potentials in the presence of position-dependent mass

Luis B. Castro

Comments: 8 pages

Journal-ref: Phys. Lett. A 375 (2011) 2510

Subjects: Quantum Physics (quant-ph); High Energy Physics - Theory (hep-th); Mathematical Physics (math-ph)

[133] arXiv:1103.2461 [pdf, other]

Title: On the Integrability of the Rabi Model

Daniel Braak

Comments: 7 pages, 4 figures, figure captions corrected

Journal-ref: Phys. Rev. Lett. 107, 100401 (2011)

Subjects: Quantum Physics (quant-ph); Mathematical Physics (math-ph)

[134] arXiv:1103.2492 [pdf, other]

Title: Action Duality: A Constructive Principle for Quantum Foundations

K.B. Wharton, D.J. Miller, Huw Price

Comments: 24 pages, 5 figures

Journal-ref: Symmetry, v3, pp 524-540 (2011)

Subjects: Quantum Physics (quant-ph)

[135] arXiv:1103.2499 [pdf, other]

Title: A note on the realignment criterion

Chi-Kwong Li, Yiu-Tung Poon, Nung-Sing Sze

Comments: 11 pages, to appear in Journal of Physics A: Mathematical and Theoretical

Journal-ref: J. Phys. A: Math. Theor., 44:315304, 2011

Subjects: Quantum Physics (quant-ph)

[136] arXiv:1103.2500 [pdf, other]

Title: How much of quantum mechanics is really needed to defy Extended Church-Turing Thesis?

Leonid Gurvits, Vwani Roychowdhury, Sudhir Kumar Singh, Farrokh Vatan

Comments: This paper has been withdrawn

Subjects: Quantum Physics (quant-ph); Computational Complexity (cs.CC)

[137] arXiv:1103.2526 [pdf, other]

Title: Continuous Observations and the Wave Function Collapse

A. Marchewka, Z. Schuss

Comments: 12 pages and 2 figures

Subjects: Quantum Physics (quant-ph)

[138] arXiv:1103.2532 [pdf, other]

Title: Fast transport of Bose-Einstein condensates

E. Torrontegui, Xi Chen, M. Modugno, S. Schmidt, A. Ruschhaupt, J. G. Muga

Journal-ref: New Journal of Physics 14 (2012) 013031

Subjects: Quantum Physics (quant-ph)

[139] arXiv:1103.2557 [pdf, other]

Title: Structural unification of space and time correlations in quantum theory

Shmuel Marcovitch, Benni Reznik

Subjects: Quantum Physics (quant-ph)

[140] arXiv:1103.2587 [pdf, other]

Title: Geometric Phase: a Diagnostic Tool for Entanglement

S. N. Sandhya, Subhashish Banerjee

Comments: 13 pages 6 figures

Subjects: Quantum Physics (quant-ph)

[141] arXiv:1103.2615 [pdf, other]

Title: Information capacity of quantum observable

A. S. Holevo

Comments: 13 pages. New section and references are added concerning the ensemble-observable duality

Journal-ref: Problems of Information Transmission, vol. 48 (2012), 1-10

Subjects: Quantum Physics (quant-ph)

[142] arXiv:1103.2621 [pdf, other]

Title: Quantum vortices and trajectories in particle diffraction

N. Delis, C. Efthymiopoulos, G. Contopoulos

Comments: 17 pages, 7 figures, accepted by IJBC

Subjects: Quantum Physics (quant-ph)

[143] arXiv:1103.2686 [pdf, other]

Title: A Study of Optimal 4-bit Reversible Toffoli Circuits and Their Synthesis

Oleg Golubitsky, Dmitri Maslov

Comments: arXiv admin note: substantial text overlap with arXiv:1003.1914

Journal-ref: IEEE Transactions on Computers, 61(9):1341-1353, September 2012

Subjects: Quantum Physics (quant-ph); Emerging Technologies (cs.ET)

[144] arXiv:1103.2703 [pdf, other]

Title: Illustrating the Geometry of Coherently Controlled Quantum Channels

C. O'Meara, G. Dirr, T. Schulte-Herbrueggen

Comments: condensed and updated version; 14 pages; comments welcome

Journal-ref: IEEE Trans. Autom. Contr. (IEEE TAC) 57 (2012), 2050-2055

Subjects: Quantum Physics (quant-ph)

[145] arXiv:1103.2704 [pdf, other]

Title: Two-state quantum walk on two- and three-dimensional lattices

C. M. Chandrashekar

Comments: 7 pages, 5 figures, revised version

Subjects: Quantum Physics (quant-ph); Disordered Systems and Neural Networks (cond-mat.dis-nn)

[146] arXiv:1103.2716 [pdf, other]

Title: Coherent Optical Spectroscopy of a Single Quantum Dot Via an Off-Resonant Cavity

Arka Majumda, Alexander Papageorge, Erik D. Kim, Michal Bajscy, Hyochul Kim, Pierre Petroff, Jelena Vuckovic

Comments: 17 pages, 7 figures

Subjects: Quantum Physics (quant-ph)

[147] arXiv:1103.2720 [pdf, other]

Title: Elliptic billiard - a non-trivial integrable system

Tao Ma, R. A. Serota

Comments: 5 pages, 6 figures

Subjects: Quantum Physics (quant-ph); Mesoscale and Nanoscale Physics (cond-mat.mes-hall); Chaotic Dynamics (nlin.CD)

[148] arXiv:1103.2735 [pdf, other]

Title: A matrix product state based algorithm for determining dispersion relations of quantum spin chains with periodic boundary conditions

Bogdan Pirvu, Jutho Haegeman, Frank Verstraete

Comments: 13 pages, 11 figures, 5 tables

Journal-ref: Phys. Rev. B 85, 035130 (2012)

Subjects: Quantum Physics (quant-ph); Statistical Mechanics (cond-mat.stat-mech); Strongly Correlated Electrons (cond-mat.str-el)

[149] arXiv:1103.2774 [pdf, other]

Title: Quantum rejection sampling

Maris Ozols, Martin Roetteler, Jérémie Roland

Comments: 19 pages, 5 figures, minor changes and a more compact style (to appear in proceedings of ITCS 2012)

Journal-ref: Proceedings of the 3rd Conference on Innovations in Theoretical Computer Science (ITCS'12), ACM Press, 2012, pages 290-308

Subjects: Quantum Physics (quant-ph); Computational Complexity (cs.CC)

[150] arXiv:1103.2779 [pdf, other]

Title: Detecting entanglement in spatial interference

Clemens Gneiting, Klaus Hornberger

Comments: 4 pages; corresponds to published version

Journal-ref: Phys. Rev. Lett. 106, 210501 (2011)

Subjects: Quantum Physics (quant-ph)