Quantum Physics

Authors and titles for April 2007

[101] arXiv:0704.1918 [pdf, other]

Title: Quantum Filtering of Optical Coherent States

C. Wittmann, D. Elser, U. L. Andersen, R. Filip, P. Marek, G. Leuchs

Comments: 6 pages, 5 figures

Subjects: Quantum Physics (quant-ph)

[102] arXiv:0704.1921 [pdf, other]

Title: Quantum molecular dynamics study of the pressure dependence of the ammonia inversion transition

I.M.Herbauts, D.J.Dunstan

Comments: pdf format, 10 pages, 4 figures

Journal-ref: Physical Review A (Vol.76, No.6, December 2007)

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

[103] arXiv:0704.1931 [pdf, other]

Title: Weak non-linearities and cluster states

Sebastien G.R. Louis, Kae Nemoto, W.J. Munro, T.P. Spiller

Comments: 5 pages, to appear in Phys. Rev. A

Journal-ref: Phys. Rev. A 75, 042323 (2007)

Subjects: Quantum Physics (quant-ph)

[104] arXiv:0704.1934 [pdf, other]

Title: On the measurement problem for a two-level quantum system

Alexey A. Kryukov

Comments: for related papers, see this http URL

Journal-ref: Found. Phys. 37, 3 (2007)

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

[105] arXiv:0704.1939 [pdf, other]

Title: Entanglement condition via su(2) and su(1,1) algebra using Schr{\"o}dinger-Robertson uncertainty relation

Hyunchul Nha

Comments: published version, 3.5 pages, 1 figure

Journal-ref: Phys. Rev. A 76, 014305 (2007)

Subjects: Quantum Physics (quant-ph)

[106] arXiv:0704.1957 [pdf, other]

Title: Entanglement Cost for Sequences of Arbitrary Quantum States

Garry Bowen, Nilanjana Datta

Comments: Published version

Journal-ref: Journal of Physics A: Math. Theor. vol.44, (2011) 045302

Subjects: Quantum Physics (quant-ph)

[107] arXiv:0704.1962 [pdf, other]

Title: A simple test of quantumness for a single system

Robert Alicki, Nicholas Van Ryn

Comments: 3 pages, no figures, corrected typos, text essentially amended

Journal-ref: J. Phys. A: Math. Theor. 41 (2008) 062001

Subjects: Quantum Physics (quant-ph)

[108] arXiv:0704.1965 [pdf, other]

Title: Quantum entanglement of decohered two-mode squeezed states in absorbing and amplifying environment

Phoenix S. Y. Poon, C. K. Law

Comments: 9 pages, 7 figures

Journal-ref: Phys. Rev. A 76, 012333 (2007)

Subjects: Quantum Physics (quant-ph)

[109] arXiv:0704.2019 [pdf, other]

Title: Probabilit\'es et fluctuations quantiques (Probabilities and quantum fluctuations)

Michel Fliess (LIX, Inria Futurs)

Journal-ref: Comptes rendus de l'acad\'emie des sciences, Math\'ematiques 344 (2007) 663-668

Subjects: Quantum Physics (quant-ph); Mathematical Physics (math-ph); Logic (math.LO); Probability (math.PR)

[110] arXiv:0704.2027 [pdf, other]

Title: Quantum teleportation with atoms: quantum process tomography

M. Riebe, M. Chwalla, J. Benhelm, H. Haeffner, W. Haensel, C. F. Roos, R. Blatt

Journal-ref: New J. Phys. 9, 211 (2007)

Subjects: Quantum Physics (quant-ph)

[111] arXiv:0704.2033 [pdf, other]

Title: The Quantum Interference Computer: an experimental proposal

A.Y. Shiekh

Comments: 6 pages, 1 figure

Journal-ref: Int. Jour. of Theo. Phys., 47, 2176, 2008

Subjects: Quantum Physics (quant-ph)

[112] arXiv:0704.2035 [pdf, other]

Title: Vacuum as a less hostile environment to entanglement

Petr Marek, Jinhyoung Lee, M. S. Kim

Comments: Replaced by the published version

Journal-ref: Phys. Rev. A 77, 032302 (2008)

Subjects: Quantum Physics (quant-ph)

[113] arXiv:0704.2038 [pdf, other]

Title: Non-Viability of a Counter-Argument to Bell's Theorem

M. Holman

Comments: 2 pages, no figures; v2, two minor semantical changes - in order to resolve some apparent confusion in the mind of some reader - conclusion remains unaffected

Subjects: Quantum Physics (quant-ph)

[114] arXiv:0704.2065 [pdf, other]

Title: Comment on "NMR Experiment Factors Numbers with Gauss Sums"

J. A. Jones

Comments: 1 page RevTex4; submitted to PRL

Subjects: Quantum Physics (quant-ph)

[115] arXiv:0704.2066 [pdf, other]

Title: Lower bounds for communication capacities of two-qudit unitary operations

Dominic W. Berry

Comments: 9 pages, 2 figures, comments welcome

Subjects: Quantum Physics (quant-ph)

[116] arXiv:0704.2078 [pdf, other]

Title: Quantum theory from Hamilton's Principle with imperfect information

John Hegseth

Comments: 4 pages, 3 figures

Subjects: Quantum Physics (quant-ph)

[117] arXiv:0704.2087 [pdf, other]

Title: The SLOCC invariant and the residual entanglement for n-qubits

D. Li, X. Li, H. Huang, X. Li

Comments: 22 pages, no figure, lemma 4 and corollary 3 and the conjecture for odd n-qubits in the previous version were deleted because they are not always true

Journal-ref: PRA 76, 032304 (2007)

Subjects: Quantum Physics (quant-ph)

[118] arXiv:0704.2091 [pdf, other]

Title: Discrete quantum Fourier transform in coupled semiconductor double quantum dot molecules

Ping Dong, Ming Yang, Zhuo-Liang Cao

Comments: 3 pages,2 figures

Journal-ref: Physics Letters A 373 (2008) 30-32

Subjects: Quantum Physics (quant-ph)

[119] arXiv:0704.2097 [pdf, other]

Title: Effects of Measurement back-action in the stabilization of a Bose-Einstein condensate through feedback

S.D.Wilson, A.R.R.Carvalho, J.J.Hope, M.R.James

Comments: 1 Tex, 4 PS pictures, 1 bbl file

Subjects: Quantum Physics (quant-ph)

[120] arXiv:0704.2105 [pdf, other]

Title: Entanglement and interference between different degrees of freedom of photons states

F. W. Sun, B. H. Liu, Y. F. Huang, Y. S. Zhang, Z. Y. Ou, G. C. Guo

Comments: 11 pages and 2 figures

Journal-ref: PHYSICAL REVIEW A 76, 063805 (2007)

Subjects: Quantum Physics (quant-ph)

[121] arXiv:0704.2117 [pdf, other]

Title: Quasienergy anholonomy and its application to adiabatic quantum state manipulation

Atushi Tanaka, Manabu Miyamoto

Comments: 10pages, 1figure. To be published in Phys. Rev. Lett.

Journal-ref: Phys. Rev. Lett. 98, 160407 (2007)

Subjects: Quantum Physics (quant-ph)

[122] arXiv:0704.2122 [pdf, other]

Title: Nonadditive quantum error-correcting code

Sixia Yu, Qing Chen, C. H. Lai, C. H. Oh

Comments: 1 eps figure

Subjects: Quantum Physics (quant-ph)

[123] arXiv:0704.2194 [pdf, other]

Title: Casimir Friction I: Friction of a vacuum on a spinning dielectric

Yves Pomeau, David C. Roberts

Comments: To appear in Modern Encyclopedia of Mathematical Physics (MEMPhys); campanion article to cond-mat/0503757; v2 - minor editorial changes

Subjects: Quantum Physics (quant-ph)

[124] arXiv:0704.2236 [pdf, other]

Title: Squashed entanglement for multipartite states and entanglement measures based on the mixed convex roof

Dong Yang, Karol Horodecki, Michal Horodecki, Pawel Horodecki, Jonathan Oppenheim, Wei Song

Comments: improved version, 13 pages, 1 figure

Journal-ref: IEEE Trans. Inf. Theory 55, 3375 (2009)

Subjects: Quantum Physics (quant-ph)

[125] arXiv:0704.2241 [pdf, other]

Title: Why should anyone care about computing with anyons?

Gavin K. Brennen, Jiannis K. Pachos

Comments: 22 pages, 13 figures. Some changes to existing sections, several references added, and a new section on criteria for TQO and TQC in lattice systems

Journal-ref: Proc. R. Soc. A 10.1098/rspa.2007.0026 (2007)

Subjects: Quantum Physics (quant-ph)

[126] arXiv:0704.2246 [pdf, other]

Title: Towards experimental entanglement connection with atomic ensembles in the single excitation regime

J. Laurat, C.W. Chou, H. Deng, K.S. Choi, D. Felinto, H. de Riedmatten, H.J. Kimble

Journal-ref: New J. Phys. 9, 207 (2007)

Subjects: Quantum Physics (quant-ph)

[127] arXiv:0704.2247 [pdf, other]

Title: Chaos and Complexity of quantum motion

Tomaz Prosen

Comments: 45 pages, 22 figures, final version, at press in J. Phys. A, special issue on Quantum Information

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

[128] arXiv:0704.2252 [pdf, other]

Title: Negative differential conductivity in Heisenberg XXZ chain far from equilibrium

Tomaz Prosen

Comments: Unpublished notes, written up in February 2004, 5 pages with 3 .eps figures

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

[129] arXiv:0704.2269 [pdf, other]

Title: Temporal and diffraction effects in entanglement creation in an optical cavity

S. Natali, Z. Ficek

Comments: Phys. Rev. A75, 042307 (2007)

Subjects: Quantum Physics (quant-ph)

[130] arXiv:0704.2297 [pdf, other]

Title: Efficient scheme for one-way quantum computing in thermal cavities

Wen-Xing Yang, Zhe-Xuan Gong

Comments: 6 pages, 3 figures

Journal-ref: International Journal of Theoretical Physics, Volume 47, Number 11, 2997-3004 (2008)

Subjects: Quantum Physics (quant-ph)

[131] arXiv:0704.2315 [pdf, other]

Title: Exact Mapping of the 2+1 Dirac Oscillator onto the Jaynes-Cummings Model: Ion-Trap Experimental Proposal

A. Bermudez, M.A. Martin-Delgado, E. Solano

Comments: Revtex4, submitted for publication

Journal-ref: Rap. Comm. PRA 76, 041801 (R) (2007)

Subjects: Quantum Physics (quant-ph)

[132] arXiv:0704.2347 [pdf, other]

Title: Revival-collapse phenomenon in the quadrature squeezing of the multiphoton Jaynes-Cummings model with the binomial states

Faisal A. A. El-Orany

Comments: 14 pages, 4 figures, Comments are most welcome

Journal-ref: AnnalenPhys.17:424-432,2008

Subjects: Quantum Physics (quant-ph)

[133] arXiv:0704.2352 [pdf, other]

Title: A 2D quantum antiferromagnet with a four-fold degenerate valence-bond-solid ground state

Alain Gellé (EPFL), Andreas Läuchli (IRMA), Brijesh Kumar, Frédéric Mila (EPFL)

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

[134] arXiv:0704.2414 [pdf, other]

Title: Multi-qubit stabilizer and cluster entanglement witnesses

M. A. Jafarizadeh, G. Najarbashi, Y. Akbari, H. Habibian

Comments: 57 pages, 2 figures

Subjects: Quantum Physics (quant-ph)

[135] arXiv:0704.2425 [pdf, other]

Title: Trapping and Cooling a mirror to its quantum mechanical ground state

M. Bhattacharya, P. Meystre

Comments: 5 pages, 1 figure

Subjects: Quantum Physics (quant-ph)

[136] arXiv:0704.2510 [pdf, other]

Title: Controlling Phase Space Caustics in the Semiclassical Coherent State Propagator

A. D. Ribeiro, M. A. M. de Aguiar

Comments: 24 pages, to appear in Ann. of Phys

Journal-ref: Annals of Physics 323, 654-672 (2008)

Subjects: Quantum Physics (quant-ph)

[137] arXiv:0704.2513 [pdf, other]

Title: Reaching the Holevo Capacity via von Neumann measurement, and its use

L. Farkas

Comments: 19 pages

Subjects: Quantum Physics (quant-ph)

[138] arXiv:0704.2529 [pdf, other]

Title: An experimental test of non-local realism

Simon Groeblacher, Tomasz Paterek, Rainer Kaltenbaek, Caslav Brukner, Marek Zukowski, Markus Aspelmeyer, Anton Zeilinger

Comments: Minor corrections to the manuscript, the final inequality and all its conclusions do not change; description of corrections (Corrigendum) added as new Appendix III; Appendix II replaced by a shorter derivation

Journal-ref: Nature 446, 871-875 (2007)

Subjects: Quantum Physics (quant-ph)

[139] arXiv:0704.2540 [pdf, other]

Title: Quantum Measurements and Gates by Code Deformation

H. Bombin, M.A. Martin-Delgado

Comments: Revtex4, 6 figures

Journal-ref: J. Phys. A: Math. Theor. 42 (2009) 095302

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

[140] arXiv:0704.2559 [pdf, other]

Title: Is there a relativistic nonlinear generalization of quantum mechanics?

Hans-Thomas Elze

Comments: 10 pages; talk at DICE 2006 (Piombino, September 11-15, 2006); to appear in Journal of Physics: Conference Series (2007)

Journal-ref: J.Phys.Conf.Ser.67:012016,2007

Subjects: Quantum Physics (quant-ph)

[141] arXiv:0704.2575 [pdf, other]

Title: Strong photon non-linearities and photonic Mott insulators

Michael J Hartmann, Martin B Plenio

Comments: minor changes, to appear in Phys. Rev. Lett

Journal-ref: Phys. Rev. Lett. 99, 103601 (2007)

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

[142] arXiv:0704.2597 [pdf, other]

Title: Separability, entanglement and full families of commuting normal matrices

Jan Samsonowicz, Marek Kus, Maciej Lewenstein

Comments: 14 pages, some typos corrected, a reference added, in print in Phys. Rev. A

Subjects: Quantum Physics (quant-ph)

[143] arXiv:0704.2602 [pdf, other]

Title: Investigation of continuous-time quantum walks via spectral analysis and Laplace transform

M. A. Jafarizadeh, R. Sufiani

Comments: 28 pages

Subjects: Quantum Physics (quant-ph)

[144] arXiv:0704.2648 [pdf, other]

Title: Prospects for making polar molecules with microwave fields

Svetlana Kotochigova

Comments: 4 pages, 5 figures

Subjects: Quantum Physics (quant-ph)

[145] arXiv:0704.2677 [pdf, other]

Title: Entanglement induced Sub-Planck structures

Jitesh R. Bhatt, Prasanta K. Panigrahi, Manan Vyas

Comments: 6 pages 2 figures (revised version include more quantitative discussion)

Journal-ref: Phys. Rev. A78, 034101, 2008

Subjects: Quantum Physics (quant-ph)

[146] arXiv:0704.2757 [pdf, other]

Title: Polaron Physics in Optical Lattices

Martin Bruderer, Alexander Klein, Stephen R. Clark, Dieter Jaksch

Comments: 4 pages, 4 figures

Journal-ref: Phys. Rev. A 76, 011605(R) (2007)

Subjects: Quantum Physics (quant-ph)

[147] arXiv:0704.2759 [pdf, other]

Title: Spectroscopic investigation of spin zero homonuclear and heteronuclear molecules

Nagalakshmi A. Rao, B. A. Kagali

Comments: Latex, 11 Pages

Subjects: Quantum Physics (quant-ph)

[148] arXiv:0704.2765 [pdf, other]

Title: Entanglement of localized states

O. Giraud, J. Martin, B. Georgeot

Comments: 6 pages, 4 figures

Journal-ref: Phys. Rev. A 76, 042333 (2007)

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

[149] arXiv:0704.2770 [pdf, other]

Title: A remark on helical waveguides

Pavel Exner, Martin Fraas

Comments: LaTeX, 12 pages

Journal-ref: Phys. Lett. A369 (2007), 393-399

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

[150] arXiv:0704.2859 [pdf, other]

Title: Theory of Two-Photon Interactions with Broadband Down-Converted Light and Entangled Photons

Barak Dayan

Comments: 23 pages, 4 figures, submitted to Phys. Rev. A

Subjects: Quantum Physics (quant-ph)