Quantum Physics

Authors and titles for June 1998

[1] arXiv:quant-ph/9806001 [pdf, other]

Title: Lower Bounds of Quantum Search for Extreme Point

Yuri Ozhigov

Comments: Some minor changes

Journal-ref: Proc.Roy.Soc.Lond. A455 (1999) 2165-2172

Subjects: Quantum Physics (quant-ph)

[2] arXiv:quant-ph/9806002 [pdf, other]

Title: Time-Symmetrized Quantum Theory, Counterfactuals, and `Advanced Action'

R. E. Kastner

Comments: Minor editorial changes and correction to figure 4. To appear in "Studies in History and Philosophy of Modern Physics"

Journal-ref: Stud.Hist.Philos.Mod.Phys. 30 (1999) 237-259

Subjects: Quantum Physics (quant-ph)

[3] arXiv:quant-ph/9806003 [pdf, other]

Title: Bose condensation in two dimensions with disorder: Gross-Pitaevskii approach

Dmitri E. Nikonov, Atac Imamoglu

Comments: 10 pages, 5 figures, LaTeX 2e

Subjects: Quantum Physics (quant-ph)

[4] arXiv:quant-ph/9806004 [pdf, other]

Title: Levinson's theorem for the Schr\"{o}dinger equation in two dimensions

Shi-Hai dong (IHEP, Beijing, <a href="http://P.R.China" rel="external noopener nofollow" class="link-external link-http">this http URL</a>)Xi-Wen Hou, Zhong-Qi Ma

Comments: Latex 11 pages, no figure and accepted by P.R.A (in August); Email: dongsh@bepc4.this http URL, mazq@bepc4.this http URL

Subjects: Quantum Physics (quant-ph)

[5] arXiv:quant-ph/9806005 [pdf, other]

Title: Levinson's Theorem for Non-local Interactions in Two Dimensions

Shi-Hai dong, Xi-Wen Hou, Zhong-Qi Ma

Comments: Latex 11 pages, no figure, submitted to J. Phys. A Email: dongsh@bepc4.this http URL, mazq@bepc3.this http URL

Journal-ref: J.Phys.A31:7501-7510,1998

Subjects: Quantum Physics (quant-ph)

[6] arXiv:quant-ph/9806006 [pdf, other]

Title: The Relativistic Levinson Theorem in Two Dimensions

Shi-Hai dong, Xi-Wen Hou, Zhong-Qi Ma

Comments: Latex 14 pages, no figure, submitted to Phys.Rev.A; Email: dongsh@bepc4.this http URL, mazq@bepc3.this http URL

Subjects: Quantum Physics (quant-ph)

[7] arXiv:quant-ph/9806007 [pdf, other]

Title: Prime decomposition and correlation measure of finite quantum systems

D. Ellinas, E. G. Floratos

Comments: 9 pages LaTeX. Revised version: changes in the terminology, updates in refs

Journal-ref: J.Phys.A32:L63-L69,1999

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

[8] arXiv:quant-ph/9806008 [pdf, other]

Title: Estimates for practical quantum cryptography

Norbert Lütkenhaus

Comments: Authentication scheme corrected. Other improvements of presentation

Journal-ref: Phys.Rev. A59 (1999) 3301-3319

Subjects: Quantum Physics (quant-ph)

[9] arXiv:quant-ph/9806009 [pdf, other]

Title: To Enjoy the Morning Flower in the Evening - What does the Appearance of Infinity in Physics Imply?

Guang-jiong Ni (Department of Physics, Fudan University, Shanghai, P. R. China)

Comments: 13 pages, LaTex, no figure

Journal-ref: Kexue Zazhi 50 (1998) 36

Subjects: Quantum Physics (quant-ph)

[10] arXiv:quant-ph/9806010 [pdf, other]

Title: Quantum computation based on particle statistics

Giuseppe Castagnoli (Information Technology Dept., Elsag Bailey, Genova, Italy), Dalida Monti (Universita` di Genova and Elsag Bailey, Genova, Italy)

Comments: 1 figure

Subjects: Quantum Physics (quant-ph)

[11] arXiv:quant-ph/9806011 [pdf, other]

Title: Entanglement and pseudomixtures

Maciej Kuna (Politechnika Gdanska)

Comments: to be published in special issue of Acta this http URL. on this http URL and this http URL (June 98)

Journal-ref: Acta Phys.Slov. 48 (1998) 163-168

Subjects: Quantum Physics (quant-ph)

[12] arXiv:quant-ph/9806012 [pdf, other]

Title: Deterministic entanglement of two trapped ions

Q.A. Turchette, C.S. Wood, B.E. King, C.J. Myatt, D. Leibfried, W.M. Itano, C. Monroe, D.J. Wineland (Time and Frequency Division, National Institute of Standards and Technology, Boulder, CO)

Comments: 5 pages, 4 figures, revtex

Journal-ref: Phys.Rev.Lett. 81 (1998) 3631-3634

Subjects: Quantum Physics (quant-ph)

[13] arXiv:quant-ph/9806013 [pdf, other]

Title: Volume of classical and quantum ensembles: geometric approach to entropy and information

Michael J.W. Hall

Comments: 11 pages, 2 figures (warning: rejected by PRL!)

Subjects: Quantum Physics (quant-ph); Data Analysis, Statistics and Probability (physics.data-an)

[14] arXiv:quant-ph/9806014 [pdf, other]

Title: Quantum tomography as normalization of incompatible observations

Z. Hradil, J. Summhammer, H. Rauch

Comments: RevTeX, 4 pages, 3 figures

Journal-ref: Phys.Lett.A261:20-24,1999

Subjects: Quantum Physics (quant-ph)

[15] arXiv:quant-ph/9806015 [pdf, other]

Title: Quantum Zeno and quantum anti-Zeno effects

V. Gontis, B. Kaulakys

Comments: LaTex, 6 pages

Journal-ref: Lith.Phys.J. 38 (1998) 118-121

Subjects: Quantum Physics (quant-ph); Chaotic Dynamics (nlin.CD)

[16] arXiv:quant-ph/9806016 [pdf, other]

Title: Smearing Formula for Higher-Order Effective Classical Potentials

Hagen Kleinert, Werner Kuerzinger, Axel Pelster

Comments: Author Information under this http URL . Latest update of paper also at this http URL

Journal-ref: J.Phys.A31:8307-8321,1998

Subjects: Quantum Physics (quant-ph)

[17] arXiv:quant-ph/9806017 [pdf, other]

Title: Semiclassical trajectory-coherent approximation in quantum mechanics: II. High order corrections to the Dirac operators in external electromagnetic field

V.G.Bagrov, V.V.Belov, A.Yu.Trifonov

Comments: Submitted to Ann. Phys. (NY), 27 pages AMS- LaTEX, no figures

Subjects: Quantum Physics (quant-ph)

[18] arXiv:quant-ph/9806018 [pdf, other]

Title: Yang-Mills Equation and Bures Metric

J. Dittmann

Comments: 6 pages, Latex

Journal-ref: Lett.Math.Phys. 46 (1998) 281-287

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

[19] arXiv:quant-ph/9806019 [pdf, other]

Title: SUSY Quantum Mechanics with Complex Superpotentials and Real Energy Spectra

A.A. Andrianov (1), F. Cannata (2), J.-P. Dedonder (3), M.V. Ioffe (1) ((1) St. Petersburg State University, (2) Dipartimento di Fisica and INFN, Bologna, (3) Université Paris7 - Denis Diderot and Division de Physique Théorique, IPN, Orsay)

Comments: 22 pages, Latex

Journal-ref: Int.J.Mod.Phys. A14 (1999) 2675-2688

Subjects: Quantum Physics (quant-ph); High Energy Physics - Theory (hep-th); Exactly Solvable and Integrable Systems (nlin.SI)

[20] arXiv:quant-ph/9806020 [pdf, other]

Title: Exactly Solvable Hydrogen-like Potentials and Factorization Method

J. Oscar Rosas-Ortiz

Comments: LaTex file, 21 pages, 2 PostScript figures and some references added. To be published in J. Phys. A: Math. Gen. (1998)

Journal-ref: J.Phys.A31:10163-10179,1998

Subjects: Quantum Physics (quant-ph)

[21] arXiv:quant-ph/9806021 [pdf, other]

Title: Quantum Logic Gates in Optical Lattices

Gavin K. Brennen, Carlton M. Caves, Poul S. Jessen, Ivan H. Deutsch

Comments: Revised version, To appear in Phys. Rev. Lett. Three separate postscript figures

Journal-ref: Phys.Rev.Lett. 82 (1999) 1060-1063

Subjects: Quantum Physics (quant-ph)

[22] arXiv:quant-ph/9806022 [pdf, other]

Title: The Anomalous Behaviour of Fermions in a Thin Wire

B.G. Sidharth

Comments: 7 pages, TeX, BMBSC-TR 08-06-97

Subjects: Quantum Physics (quant-ph)

[23] arXiv:quant-ph/9806023 [pdf, other]

Title: Bohm Confirmed by NonRelativistic Quark Model

Frank Tony Smith

Comments: 4 pages LaTeX

Subjects: Quantum Physics (quant-ph)

[24] arXiv:quant-ph/9806024 [pdf, other]

Title: Convex probability domain of generalized quantum measurements

Asher Peres, Daniel Terno

Comments: 7 pages LaTeX, one PostScript figure on separate page

Journal-ref: J.Phys. A31 (1998) L671-L675

Subjects: Quantum Physics (quant-ph)

[25] arXiv:quant-ph/9806025 [pdf, other]

Title: Relativistic corrections to the energy spectra of completely confined particles

Shang Yuan Ren (Peking University)

Comments: 6 pages, no figures

Subjects: Quantum Physics (quant-ph)

[26] arXiv:quant-ph/9806026 [pdf, other]

Title: Stochastic wave function approach to generalized master equations

H. P. Breuer, B. Kappler, F. Petruccione

Comments: RevTex, 7 pages, 4 Postscript figures, uses multicol. To appear in the proceedings of the "International workshop on macroscopic quantum tunneling and coherence", Naples, 1998

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

[27] arXiv:quant-ph/9806027 [pdf, other]

Title: New approach to Epsilon-entropy and Its comparison with Kolmogorov's Epsilon-entropy

Kei Inoue, Takashi Matsuoka, Masanori Ohya

Comments: 17 pages, Latex, Submitted to Journal of Mathematical Physics

Subjects: Quantum Physics (quant-ph)

[28] arXiv:quant-ph/9806028 [pdf, other]

Title: Connections and Metrics Respecting Standard Purification

J. Dittmann, A. Uhlmann

Comments: Latex, 27 pages

Journal-ref: J.Math.Phys. 40 (1999) 3246-3267

Subjects: Quantum Physics (quant-ph)

[29] arXiv:quant-ph/9806029 [pdf, other]

Title: Quantum Circuits with Mixed States

Dorit Aharonov (Physics and Computer science, The Hebrew University), Alexei Kitaev (<a href="http://L.D.Landau" rel="external noopener nofollow" class="link-external link-http">this http URL</a> Institute for Theoretical Physics), Noam Nisan (Institute of Computer science, The Hebrew University)

Comments: 20 pages, Latex. In ``Proceedings of the Thirtieth Annual ACM Symposium on Theory of Computation (STOC)'', pages 20-30, 1997

Subjects: Quantum Physics (quant-ph)

[30] arXiv:quant-ph/9806030 [pdf, other]

Title: Supersymmetric Method for Constructing Quasi-Exactly Solvable Potentials

V. M. Tkachuk

Comments: 11 pages, latex, to appear in Cond. Matt. Phys. (Lviv) (Proceedings of INTAS-Ukraine Workshop on Condensed Matter Physics, May, Lviv, 1998)

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

[31] arXiv:quant-ph/9806031 [pdf, other]

Title: Defeating classical bit commitments with a quantum computer

Gilles Brassard, Claude Crépeau, Dominic Mayers, Louis Salvail

Comments: 13 pages. Supersedes quant-ph/9712023

Subjects: Quantum Physics (quant-ph)

[32] arXiv:quant-ph/9806032 [pdf, other]

Title: Good Quantum Convolutional Error Correction Codes And Their Decoding Algorithm Exist

H. F. Chau

Comments: Minor changes, to appear in PRA

Subjects: Quantum Physics (quant-ph)

[33] arXiv:quant-ph/9806033 [pdf, other]

Title: Quantum Carpets made simple

I. Marzoli (1), F. Saif (1), I. Bialynicki-Birula (2), O. M. Friesch (1), A. E. Kaplan (3), W. P. Schleich (1) ((1) Universitaet Ulm, Ulm, Germany, (2) Center for Theoretical Physics, Warsaw, Poland, (3) The Johns Hopkins University, Baltimore, USA)

Comments: 12 pages, 2 figures

Journal-ref: Acta Phys.Slov. 48 (1998) 323-333

Subjects: Quantum Physics (quant-ph)

[34] arXiv:quant-ph/9806034 [pdf, other]

Title: Collective spontaneous emission in a q-deformed Dicke model

Stefano Mancini, Paolo Tombesi (Univ. Camerino, Italy)Vladimir I. Man'ko (Lebedev Phisical Institute, Russia)

Comments: 11 pages, RevTeX file, 2 figures available from authors, accepted for publication in Mod. Phys. Lett. B

Journal-ref: Mod.Phys.Lett. B12 (1998) 403

Subjects: Quantum Physics (quant-ph)

[35] arXiv:quant-ph/9806035 [pdf, other]

Title: Relativistic properties of marginal distributions

Stefano Mancini, Paolo Tombesi (Univ. Camerino, Italy)Vladimir I. Man'ko (Lebedev Physical Institute, Russia)

Comments: 13 pages, LaTeX file, no figures, accepted for publication in Physica Scripta

Journal-ref: Phys.Scripta 58 (1998) 421

Subjects: Quantum Physics (quant-ph)

[36] arXiv:quant-ph/9806036 [pdf, other]

Title: Causality, particle localization and positivity of the energy

Gerhard C. Hegerfeldt

Comments: To appear in: Irreversibility and Causality in Quantum Theory -- Semigroups and Rigged Hilbert Spaces, edited by A. Bohm, H.-D. Doebner and P. Kielanowski, Springer Lecture Notes in Physics, Vol. 504 (1998)

Subjects: Quantum Physics (quant-ph)

[37] arXiv:quant-ph/9806037 [pdf, other]

Title: Transition from antibunching to bunching for two dipole-interacting atoms

Almut Beige, Gerhard C. Hegerfeldt

Comments: Submitted to Phys. Rev. A; 15 pages Latex + 4 figures

Journal-ref: Phys.Rev. A58 (1998) 4133

Subjects: Quantum Physics (quant-ph)

[38] arXiv:quant-ph/9806038 [pdf, other]

Title: Non-Markovian Quantum Fluctuations and Superradiance Near a Photonic Band Edge

Nipun Vats, Sajeev John (University of Toronto)

Comments: 16 pages, 15 Postscript figures. Submitted to Phys. Rev. A

Journal-ref: Phys.Rev. A58 (1998) 4168-4185

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

[39] arXiv:quant-ph/9806039 [pdf, other]

Title: Exact Eigenanalyses of Certain N^m x N^m Density Matrices

Paul B. Slater (University of California)

Comments: We are withdrawing this paper because we have now been able to conduct analyses for the case N=3, m =3 and wish to incorporate these further results. Accordingly, a new paper will shortly be issued, tentatively entitled, "SU(N) x S_{m}-Invariant Eigenspaces of N^{m} x N^{m} Mean Density Matrices"

Subjects: Quantum Physics (quant-ph)

[40] arXiv:quant-ph/9806040 [pdf, other]

Title: Verifiable quantum oblivious transfer protocol based on entangled states

M. Ardehali

Comments: This paper has been withdrawn, due to possbility of cheating by Alice by sending the state $\mid\uparrow \uparrow>$$

Subjects: Quantum Physics (quant-ph)

[41] arXiv:quant-ph/9806041 [pdf, other]

Title: Fermion-Boson Duality of One-dimensional Quantum Particles with Generalized Contact Interaction

Taksu Cheon (Kochi Tech &amp; KEK, Tsukuba), T. Shigehara (Saitama U)

Comments: 4 pages ReVTeX 4 epsf figures included, new Refs

Journal-ref: Physical Review Letters 82 (1999) 2536-2539

Subjects: Quantum Physics (quant-ph); Condensed Matter (cond-mat); Exactly Solvable and Integrable Systems (nlin.SI); Nuclear Theory (nucl-th)

[42] arXiv:quant-ph/9806042 [pdf, other]

Title: Fundamentals of quantum mutual entropy and capacity

Masanori Ohya

Comments: 13 pages, Latex

Journal-ref: OpenSyst.Info.Dyn.6:69-78,1999

Subjects: Quantum Physics (quant-ph)

[43] arXiv:quant-ph/9806043 [pdf, other]

Title: Violation of Bell inequalities by photons more than 10 km apart

W. Tittel, J. Brendel, H. Zbinden, N. Gisin

Comments: 4 pages, REVTeX, 2 postscript figures included

Journal-ref: Phys.Rev.Lett. 81 (1998) 3563-3566

Subjects: Quantum Physics (quant-ph)

[44] arXiv:quant-ph/9806044 [pdf, other]

Title: Stochastic Motion of an Open Bosonic String

L. F. Santos, C. O. Escobar

Comments: Submitted to Phys. Rev. D, 9 pages RevTex, reference removed, no pictures

Journal-ref: Phys.Lett. A256 (1999) 89-94

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

[45] arXiv:quant-ph/9806045 [pdf, other]

Title: Quantum theory of dispersive electromagnetic modes

P.D. Drummond, M. Hillery

Subjects: Quantum Physics (quant-ph)

[46] arXiv:quant-ph/9806046 [pdf, other]

Title: Fibre bundle formulation of nonrelativistic quantum mechanics. III. Pictures and integrals of motion

Bozhidar Z. Iliev (Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, Sofia, Bulgaria)

Comments: 19 standard (11pt, A4) LaTeX 2e pages. The packages AMS-LaTeX and amsfonts are required. New references and comments are added. Minor style chages. Continuation of quant-ph/9803083, quant-ph/9803084 and quant-ph/9804062. For continuation of the series view this http URL

Journal-ref: J.Phys.A34:4935-4950,2001

Subjects: Quantum Physics (quant-ph); General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Theory (hep-th)

[47] arXiv:quant-ph/9806047 [pdf, other]

Title: What information theory can tell us about quantum reality

C. Adami, N.J. Cerf

Comments: LaTeX with this http URL, 11 pages, 6 postscript figures, Proc. of 1st NASA Workshop on Quantum Computation and Quantum Communication (QCQC 98)

Subjects: Quantum Physics (quant-ph)

[48] arXiv:quant-ph/9806048 [pdf, other]

Title: Quantum computation with linear optics

C. Adami, N.J. Cerf (Caltech)

Comments: LaTeX with this http URL, 11 pages with 5 postscript figures, Proc. of 1st NASA Workshop on Quantum Computation and Quantum Communication (QCQC 98)

Subjects: Quantum Physics (quant-ph)

[49] arXiv:quant-ph/9806049 [pdf, other]

Title: Bell's inequalities, multiphoton states and phase space distributions

Arvind (Guru Nanak Dev University, Amritsar, India), N. Mukunda (IISc, Bangalore, India)

Comments: 16-pages in revtex with three ps figure included using epsf

Journal-ref: Phys.Lett. A259 (1999) 421-426

Subjects: Quantum Physics (quant-ph)

[50] arXiv:quant-ph/9806050 [pdf, other]

Title: Density-matrix approach to coherent transport and the measurement problem

S.A. Gurvitz

Comments: 6 pages, references updated

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