yymm_id stringlengths 8 10 | authors stringlengths 3 1.3k | title stringlengths 7 253 | doi stringlengths 7 94 ⌀ | categories stringlengths 8 120 | abstract stringlengths 6 2.75k | latex stringlengths 132 63.9M ⌀ |
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9210.004 | James B. Hartle | The Spacetime Approach to Quantum Mechanics | 10.1016/0083-6656(93)90097-4 | gr-qc hep-th quant-ph | Feynman's sum-over-histories formulation of quantum mechanics is reviewed as
an independent statement of quantum theory in spacetime form. It is different
from the usual Schr\"odinger-Heisenberg formulation that utilizes states on
spacelike surfaces because it assigns probabilities to different sets of
alternatives. ... | ================================================
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9210.006 | James B. Hartle | The Quantum Mechanics of Closed Systems | null | gr-qc hep-th quant-ph | A pedagogical introduction is given to the quantum mechanics of closed
systems, most generally the universe as a whole. Quantum mechanics aims at
predicting the probabilities of alternative coarse-grained time histories of a
closed system. Not every set of alternative coarse-grained histories that can
be described ma... | ================================================
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9210.010 | Murray Gell-Mann and James B. Hartle | Classical Equations for Quantum Systems | 10.1103/PhysRevD.47.3345 | gr-qc hep-th quant-ph | The origin of the phenomenological deterministic laws that approximately
govern the quasiclassical domain of familiar experience is considered in the
context of the quantum mechanics of closed systems such as the universe as a
whole. We investigate the requirements for coarse grainings to yield decoherent
sets of his... | ================================================
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9301.011 | James B. Hartle | The Reduction of the State Vector and Limitations on Measurement in the
Quantum Mechanics of Closed Systems | null | gr-qc hep-th quant-ph | Measurement is a fundamental notion in the usual approximate quantum
mechanics of measured subsystems. Probabilities are predicted for the outcomes
of measurements. State vectors evolve unitarily in between measurements and by
reduction of the state vector at measurements. Probabilities are computed by
summing the sq... | ================================================
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9406.058 | W. G. Unruh | Maintaining coherence in Quantum Computers | 10.1103/PhysRevA.51.992 | hep-th gr-qc quant-ph | The effect of the inevitable coupling to external degrees of freedom of a
quantum computer are examined. It is found that for quantum calculations (in
which the maintenance of coherence over a large number of states is important),
not only must the coupling be small but the time taken in the quantum
calculation must ... | ================================================
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9406.116 | Daniel Rohrlich, Yakir Aharonov, Sandu Popescu, and Lev Vaidman | Negative Kinetic Energy Between Past and Future State Vectors | 10.1111/j.1749-6632.1995.tb38982.x | cond-mat quant-ph | An analysis of errors in measurement yields new insight into classically
forbidden quantum processes. In addition to "physical" values, a realistic
measurement can yield "unphysical" values; we show that in {\it sequences} of
measurements, the "unphysical" values can form a consistent pattern. An
experiment to isolat... | ================================================
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9406.398 | A.Yu.Ignatiev, G.C.Joshi and M.Matsuda | The Search for the Decay of Z Boson into Two Gammas as a Test of Bose
Statistics | 10.1142/S0217732396000874 | hep-ph quant-ph | We suggest that Bose statistics for photons can be tested by looking for
decays of spin-1 bosons into two photons. The experimental upper limit on the
decay $Z \rightarrow \gamma \gamma $ is used to establish for the first time
the quantitative measure of the validity of Bose symmetry for photons.
| ================================================
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9407.011 | Dmitri Kouznetsov, Roberto Ortega, and Daniel Rohrlich | Quantum Noise Limits for Nonlinear, Phase-Invariant Amplifiers | 10.1103/PhysRevA.52.1665 | cond-mat quant-ph | Any quantum device that amplifies coherent states of a field while preserving
their phase generates noise. A nonlinear, phase-invariant amplifier may
generate less noise, over a range of input field strengths, than any linear
amplifier with the same amplification. We present explicit examples of such
nonlinear amplif... | ================================================
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9407.022 | David P. Divincenzo | Two-Bit Gates are Universal for Quantum Computation | 10.1103/PhysRevA.51.1015 | cond-mat hep-lat quant-ph | A proof is given, which relies on the commutator algebra of the unitary Lie
groups, that quantum gates operating on just two bits at a time are sufficient
to construct a general quantum circuit. The best previous result had shown the
universality of three-bit gates, by analogy to the universality of the Toffoli
three... | ================================================
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9409.037 | Fay Dowker, Adrian Kent | Properties of Consistent Histories | 10.1103/PhysRevLett.75.3038 | gr-qc hep-th quant-ph | We describe some properties of consistent sets of histories in the
Gell-Mann--Hartle formalism, and give an example to illustrate that one cannot
recover the standard predictions, retrodictions and inferences of
quasiclassical physics using the criterion of consistency alone.
| ================================================
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9409.111 | David P. DiVincenzo and John Smolin | Results on two-bit gate design for quantum computers | null | cond-mat hep-lat hep-th quant-ph | We present numerical results which show how two-bit logic gates can be used
in the design of a quantum computer. We show that the Toffoli gate, which is a
universal gate for all classical reversible computation, can be implemented
using a particular sequence of exactly five two-bit gates. An arbitrary
three-bit unita... | ================================================
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9411.004 | Don N. Page (CIAR Cosmology Program, University of Alberta) | Probabilities Don't Matter | null | gr-qc hep-th quant-ph | It is suggested that probabilities need not apply at all to matter in the
physical world, which may be entirely described by the amplitudes given by the
quantum mechanical state. Instead, probabilities may apply only to conscious
perceptions in the mental world. Such perceptions may not form unique sequences
that one... | ================================================
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%Paper: gr-qc/9411004
%From: don@phys.ualberta.ca (Don N Page)
%Date: Tue, 1 Nov 1994 16:41:22 -0700
%Date (revised): Wed, 2 Nov 1994 11:45:25 -0700
%Date (revised): Thu, 3 Nov 1994 16:47:08 -0700
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9411.035 | H.C. Rosu | Pedestrian notes on quantum mechanics | null | gr-qc quant-ph | I present an elementary essay on some issues related to nonrelativistic
quantum mechanics, which is written in the spirit of extreme simplicity, making
it an easy-to-read paper. Moreover, one can find a useful collection of ideas
and opinions expressed by many well-known authors in this vast research field
| ================================================
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9411.044 | Massimo Fioroni and Giorgio Immirzi | How and why the wave function collapses after a measurement | null | gr-qc quant-ph | We explain the collapse of the wavefunction with the notion that, in a
measurement, the system observed nucleates a first order phase transition in
the measuring device. The possible final states differ by the values of
macroscopic observables, and their relative phase is therefore unobservable.
The process is irreve... | ================================================
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9411.053 | H.C. Rosu | Remarks on the frequency spectra of some fundamental quantum effects | null | gr-qc quant-ph | Short remarks on the problem of assigning frequency spectra to Casimir,
sonoluminescence, Hawking, Unruh, and quantum optical squeezing effects are
presented
| ================================================
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9411.073 | J.R. Anglin, R. Laflamme, W.H. Zurek, and J.P. Paz | Decoherence, Re-coherence, and the Black Hole Information Paradox | 10.1103/PhysRevD.52.2221 | gr-qc hep-th quant-ph | We analyze a system consisting of an oscillator coupled to a field. With the
field traced out as an environment, the oscillator loses coherence on a very
short {\it decoherence timescale}; but, on a much longer {\it relaxation
timescale}, predictably evolves into a unique, pure (ground) state. This
example of {\it re... | ================================================
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%From: anglin@t6-serv.lanl.gov (James Anglin)
%Date: Tue, 29 Nov 94 15:46:41 MST
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9411.094 | Hermann Hessling | On the Local Equilibrium Condition | null | hep-th quant-ph | A physical system is in local equilibrium if it cannot be distinguished from
a global equilibrium by ``infinitesimally localized measurements''. This should
be a natural characterization of local equilibrium, but the problem is to give
a precise meaning to the qualitative phrase ``infinitesimally localized
measuremen... | ================================================
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9411.172 | N.P. Landsman | Classical and quantum representation theory | null | hep-th quant-ph | These notes present an introduction to an analytic version of deformation
quantization. The central point is to study algebras of physical observables
and their irreducible representations. In classical mechanics one deals with
real Poisson algebras, whereas in quantum mechanics the observables have the
structure of ... | ================================================
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9411.173 | N.P. Landsman | Observation and superselection in quantum mechanics | null | hep-th quant-ph | We attempt to clarify the main conceptual issues in approaches to
`objectification' or `measurement' in quantum mechanics which are based on
superselection rules. Such approaches venture to derive the emergence of
classical `reality' relative to a class of observers; those believing that the
classical world exists in... | ================================================
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9411.175 | Davide Stelitano | Aharonov-Bohm Scattering of a Localized Wave Packet: Analysis of the
Forward Direction | 10.1103/PhysRevD.51.5876 | hep-th quant-ph | The Aharonov-Bohm scattering of a localized wave packet is considered. A
careful analysis of the forward direction points out new results: according to
the time-dependent solution obtained by means of the asymptotic representation
for the propagator (kernel), a phenomenon of auto-interference occurs along the
forward... | ================================================
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9411.193 | Don N. Page (CIAR Cosmology Program, University of Alberta) | Information Loss in Black Holes and/or Conscious Beings? | null | hep-th gr-qc quant-ph | In 1976 Stephen Hawking proposed that information may be lost from our
universe as a pure quantum state collapses gravitationally into a black hole,
which then evaporates completely into a mixed state of thermal radiation.
Although this proposal is controversial, it is tempting to consider analogous
processes that mi... | ================================================
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%Paper: hep-th/9411193
%From: don@phys.ualberta.ca (Don N Page)
%Date: Fri, 25 Nov 1994 15:05:52 -0700
%Date (revised): Fri, 25 Nov 1994 15:58:18 -0700
%Date (revised): Sat, 26 Nov 1994 00:10:20 -07... |
9411.196 | Yakir Aharonov and Lev Vaidman | Protective Measurements | 10.1111/j.1749-6632.1995.tb38979.x | hep-th quant-ph | Protective measurements yield properties of the quantum state of a single
quantum system without affecting the quantum state. A protective measurement
involves adiabatic coupling to the measuring device together with a procedure
to protect the state from changing. For nondegenerate energy eigenstates the
protection i... | ================================================
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%From: Lev Vaidman <vaidman@ccsg.tau.ac.il>
%Date: Sun, 27 Nov 1994 13:02:40 +0200 (IST)
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To be published in Ann. of NYAS,{\it Funda... |
9411.270 | B. Ancochea, A. Bramon | Past-Future Interference in $\Phi$-Decays into Entangled Kaon Pairs | 10.1016/0370-2693(95)00077-X | hep-ph quant-ph | Quantum interference effects between past and future events (neutral kaon
transitions, including CP violating decays) are discussed for entangled kaon
pairs produced through $\phi \to K^0 \bar{K^0}$ in $\phi$-factories.
Contrasting with the exciting conclusions of other recent analyses, we predict
the inexistence of ... | ================================================
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9412.001 | G. Schrade, V.M. Akulin, W.P. Schleich, and V.I. Man'ko | Photon Statistics of a Two-Mode Squeezed Vacuum | 10.1103/PhysRevA.48.2398 | quant-ph | We investigate the general case of the photon distribution of a two-mode
squeezed vacuum and show that the distribution of photons among the two modes
depends on four parameters: two squeezing parameters, the relative phase
between the two oscillators and their spatial orientation. The distribution of
the total numbe... | ================================================
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%From: Guenter Schrade <schra@physik.uni-ulm.de>
%Date: Wed, 21 Dec 1994 10:22:43 +0100
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9412.002 | Michael R. Gallis | The Emergence of Classicality via Decoherence: Beyond the
Caldeira-Legget Environment | null | quant-ph | Maximally predictive states, as defined in recent work by Zurek, Habib and
Paz, are studied for more elaborate environment models than a linear coupling.
An environment model which includes spatial correlations in the noise is
considered in the non-dissipative regime. The Caldeira-Leggett model is also
reconsidered i... | ================================================
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%Date: Thu, 22 Dec 94 13:15 EST
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9412.003 | Ulf H. Danielsson (Institute for Theoretical Physics, Uppsala
University) | String Theory, Black Holes and Klein's Lemma | null | quant-ph | This is a writeup of a talk given at the Oskar Klein Centenery Symposium,
Stockholm, September 19-21, 1994. It is an essay on the black hole information
paradox and its connection with thermodynamics and the foundations of quantum
mechanics.
| ================================================
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%Date: Fri, 23 Dec 94 14:39:50 +0100
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9412.004 | C. Calude, D. I. Campbell, K. Svozil and D. \c{S}tef\u{a}necu | Strong Determinism vs. Computability | null | quant-ph chao-dyn nlin.CD | Are minds subject to laws of physics? Are the laws of physics computable? Are
conscious thought processes computable? Currently there is little agreement as
to what are the right answers to these questions. Penrose goes one step further
and asserts that: {\it a radical new theory is indeed needed, and I am
suggesting... | ================================================
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%From: svozil@tph.tuwien.ac.at (Karl Svozil)
%Date: Fri, 23 Dec 1994 13:45:06 -0400 (GMT-0400)
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9412.005 | Ubaldo Tambini, Roberto Onofrio, and Carlo Presilla | Dynamics of Quantum Collapse in Energy Measurements | 10.1103/PhysRevA.51.967 | cond-mat hep-th quant-ph | The influence of continuous measurements of energy with a finite accuracy is
studied in various quantum systems through a restriction of the Feynman
path-integrals around the measurement result. The method, which is equivalent
to consider an effective Schr\"odinger equation with a non-Hermitian
Hamiltonian, allows on... | ================================================
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9412.005 | Laszlo E. Szabo | Is Quantum Mechanics Compatible with a Deterministic Universe? Two
Interpretations of Quantum Probabilities | 10.1007/BF02186578 | gr-qc quant-ph | Two problems will be considered: the question of hidden parameters and the
problem of Kolmogorovity of quantum probabilities. Both of them will be
analyzed from the point of view of two distinct understandings of quantum
mechanical probabilities. Our analysis will be focused, as a particular
example, on the Aspect-ty... | ================================================
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9412.005 | Zhong-Qi Ma (CCAST and Institute of High Energy Physics, Beijing) | On the Stronger Statement of Levinson's Theorem for the Dirac Equation | null | quant-ph | Recently a stronger statement of Levinson's theorem for the Dirac equation
was presented, where the limits of the phase shifts at $E=\pm M$ are related to
the numbers of nodes of radial functions at the same energies, respectively.
However, in this letter we show that this statement has to be modified because
the lim... | ================================================
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9412.006 | A. Corichi and M. Pierri | Gravity and Geometric Phases | 10.1103/PhysRevD.51.5870 | gr-qc hep-th quant-ph | The behavior of a quantum test particle satisfying the Klein-Gordon equation
in a certain class of 4 dimensional stationary space-times is examined. In a
space-time of a spinning cosmic string, the wave function of a particle in a
box is shown to acquire a geometric phase when the box is transported around a
closed p... | ================================================
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9412.006 | Michael Kernaghan and Asher Peres | Kochen-Specker theorem for 8-dimensional space | 10.1016/0375-9601(95)00012-R | quant-ph | A Kochen-Specker contradiction is produced with 36 vectors in a real
8-dimensional Hilbert space. These vectors can be combined into 30 distinct
projection operators (14 of rank 2, and 16 of rank 1). A state-specific variant
of this contradiction requires only 13 vectors, a remarkably low number for 8
dimensions.
| ================================================
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%Date: Mon, 26 Dec 1994 09:21:13 +0200
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9412.007 | Ofir E. Alon, Nimrod Moiseyev, and Asher Peres | Infinite matrices may violate the associative law | 10.1088/0305-4470/28/6/027 | quant-ph | The momentum operator for a particle in a box is represented by an infinite
order Hermitian matrix $P$. Its square $P^2$ is well defined (and diagonal),
but its cube $P^3$ is ill defined, because $P P^2\neq P^2 P$. Truncating these
matrices to a finite order restores the associative law, but leads to other
curious re... | ================================================
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9412.008 | M. Khorrami | A general formulation of discrete-time quantum mechanics, restrictions
on the action and the relation of unitarity to the existence theorem for
initial-value problems | 10.1006/aphy.1995.1108 | quant-ph | A general formlulation for discrete-time quantum mechanics, based on
Feynman's method in ordinary quantum mechanics, is presented. It is shown that
the ambiguities present in ordinary quantum mechanics (due to noncommutativity
of the operators), are no longer present here. Then the criteria for the
unitarity of the e... | ================================================
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9412.009 | Wolfgang Scherer | Superconvergent Perturbation Method in Quantum Mechanics | 10.1103/PhysRevLett.74.1495 | quant-ph | An analogue of Kolmogorov's superconvergent perturbation theory in classical
mechanics is constructed for self adjoint operators. It is different from the
usual Rayleigh--Schr\"odinger perturbation theory and yields expansions for
eigenvalues and eigenvectors in terms of functions of the perturbation
parameter.
| ================================================
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%Date: Fri, 30 Dec 1994 13:31:04 +0100 (MEZ)
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9412.010 | Wolfgang Scherer | Quantum Averaging I: Poincar\'e--von Zeipel is Rayleigh--Schr\"odinger | 10.1088/0305-4470/27/24/028 | quant-ph | An exact analogue of the method of averaging in classical mechanics is
constructed for self--adjoint operators. It is shown to be completely
equivalent to the usual Rayleigh--Schr\"odinger perturbation theory but gives
the sums over intermediate states in closed form expressions. The anharmonic
oscillator and the Hen... | ================================================
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%Date: Fri, 30 Dec 1994 13:54:24 +0100 (MEZ)
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9412.011 | Arvind, B. Dutta, N. Mukunda and R. Simon | Two Mode Quantum Systems: Invariant Classification of Squeezing
Transformations and Squeezed States | 10.1103/PhysRevA.52.1609 | quant-ph | A general analysis of squeezing transformations for two mode systems is given
based on the four dimensional real symplectic group $Sp(4,\Re)\/$. Within the
framework of the unitary metaplectic representation of this group, a
distinction between compact photon number conserving and noncompact photon
number nonconservi... | ================================================
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\title{Two... |
9412.012 | H.C. Rosu | Classical and quantum inertia: A matter of principles | null | gr-qc quant-ph | A simple, general discussion of the problem of inertia is provided both in
classical physics and in the quantum world. After briefly reviewing the
classical principles of equivalence (weak (WEP), Einstein (EEP), strong (SEP)),
I pass to a presentation of several equivalence statements in nonrelativistic
quantum mecha... | ================================================
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9412.012 | Daniel C. Galehouse | Quantization Failure in Unified Field Theories | null | quant-ph gr-qc | Studies of geometrical theories suggest that fundmental problems of
quantization arise from the disparate usage of displacement operators. These
may be the source of a concealed inconsistency in the accepted formalism of
quantum physics. General relativity and related theories cannot be quantized by
the classical pro... | ================================================
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\preprint{QFUFT-6.... |
9412.046 | K. Svozil | Speedup in quantum computation is associated with attenuation of
processing probability | null | hep-th quant-ph | Quantum coherence allows the computation of an arbitrary number of distinct
computational paths in parallel. Based on quantum parallelism it has been
conjectured that exponential or even larger speedups of computations are
possible. Here it is shown that, although in principle correct, any speedup is
accompanied by a... | ================================================
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%From: "Svozil Karl (TUVienna)" <E1360DAB@helios.edvz.univie.ac.at>
%Date: Tue, 06 Dec 94 11:34:30 MEZ
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9412.047 | K. Svozil | Quantum computation and complexity theory | null | hep-th quant-ph | The Hilbert space formalism of quantum mechanics is reviewed with emphasis on
applications to quantum computing. Standard interferomeric techniques are used
to construct a physical device capable of universal quantum computation. Some
consequences for recursion theory and complexity theory are discussed.
| ================================================
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9412.048 | Karl Svozil | The diagonalization method in quantum recursion theory | 10.1007/s11128-009-0115-z | hep-th quant-ph | As quantum parallelism allows the effective co-representation of classical
mutually exclusive states, the diagonalization method of classical recursion
theory has to be modified. Quantum diagonalization involves unitary operators
whose eigenvalues are different from one.
| ================================================
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9412.067 | Fay Dowker, Adrian Kent | On the Consistent Histories Approach to Quantum Mechanics | 10.1007/BF02183396 | gr-qc hep-th quant-ph | We review the consistent histories formulations of quantum mechanics
developed by Griffiths, Omn\`es and Gell-Mann and Hartle, and describe the
classification of consistent sets. We illustrate some general features of
consistent sets by a few simple lemmas and examples. We consider various
interpretations of the form... | ================================================
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9412.167 | A. Kempf, G. Mangano, R. B. Mann | Hilbert Space Representation of the Minimal Length Uncertainty Relation | 10.1103/PhysRevD.52.1108 | hep-th quant-ph | The existence of a minimal observable length has long been suggested, in
quantum gravity, as well as in string theory. In this context a generalized
uncertainty relation has been derived which quantum theoretically describes the
minimal length as a minimal uncertainty in position measurements. Here we study
in full d... | ================================================
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\title{Hilbert Space Repres... |
9501.001 | Lajos Diosi and B. Lukacs | Critique of proposed limit to space--time measurement, based on Wigner's
clocks and mirrors | 10.1209/epl/i1996-00482-6 | quant-ph | Based on a relation between inertial time intervals and the Riemannian
curvature, we show that space--time uncertainty derived by Ng and van Dam
implies absurd uncertainties of the Riemannian curvature.
| ================================================
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%Date (revised): Fri, 6 Jan 1995 12:27 GMT+1
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9501.002 | Y. Aharonov and L. Vaidman | RESOLUTION OF A ``RETRODICTION PARADOX'' | null | quant-ph | It is shown that the ``retrodiction paradox'' recently introduced by Peres
arises not because of the fallacy of the time-symmetric approach as he claimed,
but due to an inappropriate usage of retrodiction.
| ================================================
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%Paper: quant-ph/9501002
%From: Lev Vaidman <vaidman@ccsg.tau.ac.il>
%Date: Wed, 4 Jan 1995 16:38:37 +0200 (IST)
%Date (revised): Tue, 7 Mar 1995 11:02:45 +0200 (IST)
\magnification 1200
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9501.003 | L. Vaidman | NONLOCALITY OF A SINGLE PHOTON REVISITED AGAIN | 10.1103/PhysRevLett.75.2063 | quant-ph | Comment on L. Hardy, Phys. Rev. Lett. {\bf 73}, 2279 (1994). It is argued
that the experiment proposed by Hardy should not be considered as a single
photon experiment.
| ================================================
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%From: Lev Vaidman <vaidman@ccsg.tau.ac.il>
%Date: Wed, 4 Jan 1995 16:41:43 +0200 (IST)
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9501.004 | Claus Kiefer | Irreversibility in quantum field theory | null | quant-ph hep-th | It is shown how the programme of decoherence can be applied in the context of
quantum field theory. To illustrate the role of gauge invariance, we first
discuss the charge superselection rule in quantum electrodynamics in some
detail. We then present an example where macroscopic electromagnetic fields are
``measured"... | ================================================
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9501.005 | Asher Peres | Reply to the comment of Y. Aharonov and L. Vaidman on ``Time asymmetry
in quantum mechanics: a retrodiction paradox'' | 10.1016/0375-9601(95)00395-J | quant-ph | In the standard physical interpretation of quantum theory, prediction and
retrodiction are not symmetric. The opposite assertion by some authors results
from their use of non-standard interpretations of the theory.
| ================================================
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9501.006 | Y. Aharonov, S. Popsecu, and L. Vaidman | CAUSALITY, MEMORY ERASING AND DELAYED CHOICE EXPERIMENTS | 10.1103/PhysRevA.52.4984 | quant-ph | Comment on [R.L. Ingraham, Phys. Rev. A 50, 4502 (1994)]. Ingraham suggested
``a delayed-choice experiment with partial, controllable memory erasing''. It
is shown that he cannot be right since his predictions contradict relativistic
causality. A subtle quantum effect which was overlooked by Ingraham is
explained.
| ================================================
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%Paper: quant-ph/9501006
%From: Lev Vaidman <vaidman@ccsg.tau.ac.il>
%Date: Sun, 8 Jan 1995 13:46:09 +0200 (IST)
%Date (revised): Sun, 8 Jan 1995 17:57:50 +0200 (IST)
\documentstyle[12pt]{article... |
9501.007 | Marek Czachor | Nonlinear Schroedinger equation and two-level atoms | 10.1103/PhysRevA.53.1310 | quant-ph | General features of nonlinear quantum mechanics are discussed in the context
of applications to two-level atoms.
| ================================================
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%Date: Sun, 8 Jan 1995 19:01:40 -0500 (EST)
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\new... |
9501.008 | Marek Czachor | Triple bracket generalization of quantum mechanics | null | quant-ph | An extension of the Liouville-von Neumann dynamics to a Nambu-type dynamics
is proposed. The resulting theory is the first version of nonlinear QM which is
free from internal inconsistencies.
| ================================================
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9501.009 | Lajos Diosi | Selective continuous quantum measurements: Restricted path integrals and
wave equations | null | quant-ph | We discuss both the restricted path integral (RPI) and the wave equation (WE)
techniques in the theory of continuous quantum measurements. We intend to make
Mensky's fresh review complete by transforming his "effective" WE with complex
Hamiltonian into Ito-differential equations.
| ================================================
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9501.009 | Christopher Jarzynski | Geometric phase effects for wavepacket revivals | 10.1103/PhysRevLett.74.1264 | solv-int nlin.SI quant-ph | The study of wavepacket revivals is extended to the case of Hamiltonians
which are made time-dependent through the adiabatic cycling of some parameters.
It is shown that the quantal geometric phase (Berry's phase) causes the revived
packet to be displaced along the classical trajectory, by an amount equal to
the clas... | ================================================
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%Paper: solv-int/9501009
%From: Chris Jarzynski <chrisj@mocha.phys.washington.edu>
%Date: Thu, 02 Feb 95 14:23:17 -0800
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\title{G... |
9501.010 | S. De Martino, S. De Siena and F. Illuminati | Dymanics of Generalized Coherent States | 10.1142/S0217984995000772 | quant-ph cond-mat hep-th | We show that generalized coherent states follow Schr\"{o}dinger dynamics in
time-dependent potentials. The normalized wave-packets follow a classical
evolution without spreading; in turn, the Schr\"{o}dinger potential depends on
the state through the classical trajectory. This feedback mechanism with
continuous dynam... | ================================================
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\rightline{Preprint DFPD 94/TH/66, December 199... |
9501.011 | B. Reznik and Y. Aharonov | On a Time Symmetric Formulation of Quantum Mechanics | 10.1103/PhysRevA.52.2538 | quant-ph hep-th | We explore further the suggestion to describe a pre- and post-selected system
by a two-state, which is determined by two conditions. Starting with a formal
definition of a two-state Hilbert space and basic operations, we systematically
recast the basics of quantum mechanics - dynamics, observables, and measurement
th... | ================================================
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%Paper: quant-ph/9501011
%From: Benni Reznik <reznik@physics.ubc.ca>
%Date: Thu, 12 Jan 1995 19:11:48 -0800 (PST)
%Date (revised): Wed, 10 May 1995 18:05:12 -0700 (PDT)
%Date (revised): Wed, 10 May 1995 1... |
9501.012 | Murray Peshkin (Argonne), H. J. Lipkin (Weizmann) | Topology, Locality, and Aharonov-Bohm Effect with Neutrons | 10.1103/PhysRevLett.74.2847 | quant-ph hep-th | Recent neutron interferometry experiments have been interpreted as
demonstrating a new topological phenomenon similar in principle to the usual
Aharonov-Bohm (AB) effect, but with the neutron's magnetic moment replacing the
electron's charge. We show that the new phenomenon, called Scalar AB (SAB)
effect, follows fro... | ================================================
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\title{Topology, Locality, and ... |
9501.013 | Aephraim M. Steinberg, Raymond Y. Chiao | Sub-femtosecond determination of transmission delay times for a
dielectric mirror (photonic bandgap) as a function of angle of incidence | 10.1103/PhysRevA.51.3525 | quant-ph | Using a two-photon interference technique, we measure the delay for
single-photon wavepackets to be transmitted through a multilayer dielectric
mirror, which functions as a ``photonic bandgap'' medium. By varying the angle
of incidence, we are able to confirm the behavior predicted by the group delay
(stationary phas... | ================================================
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%Paper: quant-ph/9501013
%From: steinber@spectro.jussieu.fr (Aephraim STEINBERG)
%Date: Mon, 16 Jan 95 12:11:10 +0100
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9501.014 | Zvi Schreiber | The Nine Lives of Schroedinger's Cat | null | quant-ph | This MSc dissertation surveys nine interpretations of non-relativistic
quantum mechanics. Extensive references are given. The interpretations covered
are: the orthodox interpretation, Bohr's interpretation, the idea that the mind
causes collapse, hidden variables, the many-worlds interpretation, the
many-minds interp... | ================================================
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%Paper: quant-ph/9501014
%From: Zvi Schreiber <zvi1@shum.cc.huji.ac.il>
%Date: Mon, 16 Jan 1995 10:13:25 +0200
%Date (revised): Tue, 17 Jan 1995 11:55:49 +0200
%Date (revised): Thu, 19 Jan 199... |
9501.015 | Aephraim M. Steinberg | How much time does a tunneling particle spend in the barrier region? | 10.1103/PhysRevLett.74.2405 | quant-ph | The question in the title may be answered by considering the outcome of a
``weak measurement'' in the sense of Aharonov et al. Various properties of the
resulting time are discussed, including its close relation to the Larmor times.
It is a universal description of a broad class of measurement interactions, and
its p... | ================================================
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% Manuscript reference number LT5163
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9501.016 | Raymond Y. Chiao, Paul G. Kwiat, Aephraim M. Steinberg | Quantum Nonlocality in Two-Photon Experiments at Berkeley | 10.1088/1355-5111/7/3/006 | quant-ph | We review some of our experiments performed over the past few years on
two-photon interference. These include a test of Bell's inequalities, a study
of the complementarity principle, an application of EPR correlations for
dispersion-free time-measurements, and an experiment to demonstrate the
superluminal nature of t... | ================================================
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9501.017 | M. Czachor and A. Posiewnik | What happens to spin during the SO(3)->SE(2) contraction? (On spin and
extended structures in quantum mechanics) | null | quant-ph | It is shown that the spin operator can be described by an algebra which is in
between so(3) and e(2). Relativistic version of the singlet state for two Dirac
electrons is discussed. It is shown that a measure of massless particle's
extension can be naturally constructed and that this measure corresponds at the
classi... | ================================================
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%From: Marek Czachor <marek@bink.mit.edu>
%Date: Wed, 18 Jan 1995 18:51:59 -0500 (EST)
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9501.018 | H. Kroger, S. Lantagne, K.J.M. Moriarty and B. Plache | Measuring the Hausdorff Dimension of Quantum Mechanical Paths | 10.1016/0375-9601(95)00127-O | hep-lat quant-ph | We measure the propagator length in imaginary time quantum mechanics by Monte
Carlo simulation on a lattice and extract the Hausdorff dimension $d_{H}$. We
find that all local potentials fall into the same universality class giving
$d_{H}=2$ like the free motion. A velocity dependent action ($S \propto \int dt
\mid \... | ================================================
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9501.018 | N.Brunner, K.Svozil and M.Baaz | Effective Quantum Observables | 10.1007/BF02849839 | quant-ph | Thought experiments about the physical nature of set theoretical
counterexamples to the axiom of choice motivate the investigation of peculiar
constructions, e.g. an infinite dimensional Hilbert space with a modular
quantum logic. Applying a concept due to BENIOFF, we identify the intrinsically
effective Hamiltonians... | ================================================
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9501.019 | Asher Peres | Nonlocal effects in Fock space | 10.1103/PhysRevLett.74.4571 | quant-ph | If a physical system contains a single particle, and if two distant detectors
test the presence of linear superpositions of one-particle and vacuum states, a
violation of classical locality can occur. It is due to the creation of a
two-particle component by the detecting process itself.
| ================================================
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Physical Review Letters 74 (1995) 4571; 76 (1996) 2205 (erratum)
\vfill
{\Large Nonlocal effects in Fock spa... |
9501.020 | Sandu Popescu | An optical method for teleportation | null | quant-ph | A teleportation method using standard present day optical technology is
presented.
| ================================================
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%Paper: quant-ph/9501020
%From: Sandu Popescu <spopescu@ccsg.tau.ac.il>
%Date: Thu, 26 Jan 1995 16:11:15 +0200 (IST)
%Date (revised): Sun, 29 Jan 1995 15:59:00 +0200 (IST)
%Date (revised): Sun, 29... |
9501.021 | A. Venugopalan, Deepak Kumar and R. Ghosh | Effect of Decoherence on Bell's Inequality for an EPR Pair | null | quant-ph | According to Bell's theorem, the degree of correlation between spatially
separated measurements on a quantum system is limited by certain inequalities
if one assumes the condition of locality. Quantum mechanics predicts that this
limit can be exceeded, making it nonlocal. We analyse the effect of an
environment model... | ================================================
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%Paper: quant-ph/9501021
%From: sps@jnuniv.ernet.in
%Date: Fri, 27 Jan 1995 22:22:58 +0530 (GMT+5:30)
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\title{Effect of Decoherence on... |
9501.022 | A. Venugopalan, Deepak Kumar and R. Ghosh | Analysis of the Stern-Gerlach Measurement | null | quant-ph | A dynamical model for the collapse of the wave function in a quantum
measurement process is proposed by considering the interaction of a quantum
system (spin-1/2) with a macroscopic quantum apparatus interacting with an
environment in a dissipative manner. The dissipative interaction leads to
decoherence in the super... | ================================================
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%Paper: quant-ph/9501022
%From: sps@jnuniv.ernet.in
%Date: Fri, 27 Jan 1995 22:21:09 +0530 (GMT+5:30)
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9501.023 | B. Reznik | Interaction with a pre and post selected environment and recoherence | null | quant-ph gr-qc hep-th | The interaction of an open system $\s$ with a pre- and post-selected
environment is studied. In general, under such circumstances $\s$ can not be
described in terms of a density matrix, {\it even when $\s$ in not
post-selected}. However, a simple description in terms of a two-state (TS) is
always available. The two-s... | ================================================
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%Paper: quant-ph/9501023
%From: Benni Reznik <reznik@physics.ubc.ca>
%Date: Mon, 30 Jan 1995 16:16:40 -0800 (PST)
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9501.027 | Christopher Jarzynski | Geometric phases and anholonomy for a class of chaotic classical systems | 10.1103/PhysRevLett.74.1732 | chao-dyn nlin.CD quant-ph | Berry's phase may be viewed as arising from the parallel transport of a
quantal state around a loop in parameter space. In this Letter, the classical
limit of this transport is obtained for a particular class of chaotic systems.
It is shown that this ``classical parallel transport'' is anholonomic ---
transport aroun... | ================================================
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%Paper: chao-dyn/9501027
%From: Chris Jarzynski <chrisj@mocha.phys.washington.edu>
%Date: Thu, 02 Feb 95 14:37:27 -0800
\documentstyle[prl,aps,preprint]{revtex}
\begin{document}
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\title{... |
9501.034 | F. Illuminati and L. Viola | Stochastic Variational Approach to Minimum Uncertainty States | 10.1088/0305-4470/28/10/022 | hep-th cond-mat quant-ph | We introduce a new variational characterization of Gaussian diffusion
processes as minimum uncertainty states. We then define a variational method
constrained by kinematics of diffusions and Schr\"{o}dinger dynamics to seek
states of local minimum uncertainty for general non-harmonic potentials.
| ================================================
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%From: illuminati@ipdgr4.pd.infn.it
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\rightline{Preprint DFPD 94/TH/67, December ... |
9501.035 | David J. Fern\'andez C., Luis M. Nieto and Oscar Rosas-Ortiz | Distorted Heisenberg Algebra and Coherent States for Isospectral
Oscillator Hamiltonians | 10.1088/0305-4470/28/9/026 | hep-th quant-ph | The dynamical algebra associated to a family of isospectral oscillator
Hamiltonians is studied through the analysis of its representation in the basis
of energy eigenstates. It is shown that this representation becomes similar to
that of the standard Heisenberg algebra, and it is dependent of a parameter
$w\geq 0$. W... | ================================================
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%Paper: hep-th/9501035
%From: "David J. Fernandez C." <david@fis.cinvestav.mx>
%Date: Wed, 11 Jan 1995 12:46:00 -0800 (PST)
\documentstyle[12pt,twoside]{article}
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9501.037 | Giovanni Jona-Lasinio, Carlo Presilla, and Johannes Sj\"ostrand | On Schroedinger Equations with Concentrated Nonlinearities | 10.1006/aphy.1995.1040 | cond-mat quant-ph | Schr\"odinger equations with nonlinearities concentrated in some regions of
space are good models of various physical situations and have interesting
mathematical properties. We show that in the semiclassical limit it is possible
to separate the relevant degrees of freedom by noticing that in the regions
where the no... | ================================================
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9501.081 | W. Fischer, H. Leschke, P. Mueller | The functional-analytic versus the functional-integral approach to
quantum Hamiltonians: The one-dimensional hydrogen atom. | 10.1063/1.531040 | cond-mat funct-an math.FA quant-ph | The capabilities of the functional-analytic and of the functional-integral
approach for the construction of the Hamiltonian as a self-adjoint operator on
Hilbert space are compared in the context of non-relativistic quantum
mechanics. Differences are worked out by taking the one-dimensional hydrogen
atom as an exampl... | ================================================
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%Paper: cond-mat/9501081
%From: (Werner Fischer) <werner@faupt101.physik.uni-erlangen.de>
%Date: Wed, 18 Jan 95 18:07:46 +0200
%Date (revised): Wed, 18 Jan 95 18:24:29 +0200
%Date (revised): Mon, ... |
9501.117 | T.M. Samols | A Stochastic Model of a Quantum Field Theory | 10.1007/BF02178555 | hep-th quant-ph | The problem of obtaining a realistic, relativistic description of a quantum
system is discussed in the context of a simple (light-cone) lattice field
theory. A natural stochastic model is proposed which, although non-local, is
relativistic (in the appropriate lattice sense), and which is operationally
indistinguishab... | ================================================
FILE: 9501117.tex
================================================
%Paper: hep-th/9501117
%From: Trevor Mark Samols <T.M.Samols@damtp.cambridge.ac.uk>
%Date: Wed, 25 Jan 95 21:10:05 GMT
%Date (revised): Thu, 16 Mar 1995 15:02:36 GMT
%Tex this with the eps figure files ... |
9501.145 | Kunio Funahashi, Taro Kashiwa, Seiji Sakoda and Kazuyuki Fujii | EXACTNESS IN THE WKB APPROXIMATION FOR SOME HOMOGENEOUS SPACES | 10.1063/1.530910 | hep-th quant-ph | Analysis of the WKB exactness in some homogeneous spaces is attempted. $CP^N$
as well as its noncompact counterpart $D_{N,1}$ is studied. $U(N+1)$ or U(N,1)
based on the Schwinger bosons leads us to $CP^N$ or $D_{N,1}$ path integral
expression for the quantity, ${\rm tr} e^{-iHT}$, with the aid of coherent
states. Th... | ================================================
FILE: hep-th9501145.tex
================================================
%Paper: hep-th/9501145
%From: Funahashi_Kunio <fnhs1scp@mbox.nc.kyushu-u.ac.jp>
%Date: Wed, 1 Feb 95 10:34:40 JST
\documentstyle[12pt]{article}
\setlength{\textheight}{23cm}
\setlength{\textwidth}{... |
9502.001 | T. Calarco, R. Onofrio | Optimal Measurements of Magnetic Flux in Superconducting Circuits and
Macroscopic Quantum Mechanics | 10.1016/0375-9601(94)01020-U | quant-ph | A model of repeated quantum measurements of magnetic flux in superconducting
circuits manifesting tunneling is discussed. The perturbation due to the
previous measurements of magnetic flux is always present unless quantum
nondemolition measurements are performed. By replacing the classical notion of
noninvasivity wit... | ================================================
FILE: quant-ph9502001.tex
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%Paper: quant-ph/9502001
%From: onofrio%38630.hepnet@Csa4.LBL.Gov
%Date: Wed, 1 Feb 95 03:11:32 PST
\documentstyle[preprint,prl,aps]{revtex}
%\documentstyle[twocolumn,prl,aps]{revtex}
\oddside... |
9502.002 | S. Uchiyama (Hokkaido University) | Cannot Local Reality Exist in the EPR-Bohm Gedankenexperiment ? | 10.1007/BF02055508 | quant-ph | We model measuring processes of a single spin-1/2 object and of a pair of
spin-1/2 objects in the EPR-Bohm state by systems of differential equations.
Our model is a local model with hidden-variables of the EPR-Bohm
Gedankenexperiment. Although there is no dynamical interaction between a pair
of spin-1/2 objects, the... | ================================================
FILE: 9502002.tex
================================================
%Paper: quant-ph/9502002
%From: Satoshi Uchiyama <uchiyama@phys.hokudai.ac.jp>
%Date: Thu, 2 Feb 95 15:24:32 JST
\input phyzzx
%\input phyzzx
\def\PS{{\Gamma}}
\def\Real{{\bf R}}
\def\Spin{{\bf S}}
\de... |
9502.003 | Aephraim M. Steinberg | Conditional probabilities in quantum theory, and the tunneling time
controversy | 10.1103/PhysRevA.52.32 | quant-ph | It is argued that there is a sensible way to define conditional probabilities
in quantum mechanics, assuming only Bayes's theorem and standard quantum
theory. These probabilities are equivalent to the ``weak measurement''
predictions due to Aharonov {\it et al.}, and hence describe the outcomes of
real measurements m... | ================================================
FILE: 9502003.tex
================================================
%Paper: quant-ph/9502003
%From: aephraim@physics.Berkeley.EDU (Aephraim M. Steinberg)
%Date: Thu, 2 Feb 95 14:17:17 PST
\documentstyle[prl,aps]{revtex}
\begin{document}
\draft
\title{Conditional probabil... |
9502.004 | L. Vaidman | IS THERE A CLASSICAL ANALOG OF A QUANTUM TIME-TRANSLATION MACHINE? | 10.1103/PhysRevA.52.4297 | quant-ph | In a recent article [D. Suter, Phys. Rev. {\bf A 51}, 45 (1995)] Suter has
claimed to present an optical implementation of the quantum time-translation
machine which ``shows all the features that the general concept predicts and
also allows, besides the quantum mechanical, a classical description.'' It is
argued that... | ================================================
FILE: quant-ph9502004.tex
================================================
%Paper: quant-ph/9502004
%From: Lev Vaidman <vaidman@ccsg.tau.ac.il>
%Date: Sun, 5 Feb 1995 11:55:58 +0200 (IST)
\documentstyle[12pt]{article}
\normalbaselineskip=24pt
\begin{document}
\baselines... |
9502.005 | Sandu Popescu | Bell's inequalities and density matrices. Revealing hidden nonlocality. | 10.1103/PhysRevLett.74.2619 | quant-ph | As is well known, quantum mechanical behavior cannot, in general, be
simulated by a local hidden variables model. Most -if not all- the proofs of
this incompatibility refer to the correlations which arise when each of two (or
more) systems separated in space is subjected to a single ideal measurement.
This setting is... | ================================================
FILE: quant-ph9502005.tex
================================================
%Paper: quant-ph/9502005
%From: Sandu Popescu <spopescu@ccsg.tau.ac.il>
%Date: Sun, 5 Feb 1995 14:43:55 +0200 (IST)
\magnification 1200
\baselineskip 24 pt
\def \la {\langle}
\def \ra {\rangle}
... |
9502.006 | Vladimir V. Kisil, Enrique Ram\'irez de Arellano | The Riesz-Clifford Functional Calculus for Non-Commuting Operators and
Quantum Field Theory | 10.1002/(SICI)1099-1476(19960525)19:8<593::AID-MMA783>3.3.CO;2-R | funct-an hep-th math.OA quant-ph | We present a Riesz-like hyperholomorphic functional calculus for a set of
non-commuting operators based on the Clifford analysis. Applications to the
quantum field theory are described. Keywords: Functional calculus, Weyl
calculus, Riesz calculus, Clifford analysis, quantization, quantum field
theory. AMSMSC Primary:... | ================================================
FILE: funct-an9502006.tex
================================================
%Paper: funct-an/9502006
%From: Vladimir Kisil <vkisil@math.cinvestav.mx>
%Date: Sat, 25 Feb 1995 17:45:40 -0600 (CST)
% To process this paper you need current official LaTeX (LaTeX2e)
% and also... |
9502.006 | Giuseppe Vitiello (Dipartimento di Fisica, Universit\'a di Salerno) | Dissipation and memory capacity in the quantum brain model | 10.1142/S0217979295000380 | quant-ph | The quantum model of the brain proposed by Ricciardi and Umezawa is extended
to dissipative dynamics in order to study the problem of memory capacity. It is
shown that infinitely many vacua are accessible to memory printing in a way
that in sequential information recording the storage of a new information does
not de... | ================================================
FILE: quant-ph9502006.tex
================================================
%Paper: quant-ph/9502006
%From: VITIELLO@VAXSA.DIA.UNISA.IT (G.Vitiello, tel. +39 89 822311 - fax +39 89
%%953804)
%Date: Mon, 6 Feb 1995 19:08:54 +0100 (WET)
%Subj: This is a TEX file: "Di... |
9502.007 | Takahiro Kawai and Henry P. Stapp | Quantum Electrodynamics at Large Distances III: Verification of Pole
Factorization and the Correspondence Principle | 10.1103/PhysRevD.52.2517 | quant-ph | In two companion papers it was shown how to separate out from a scattering
function in quantum electrodynamics a distinguished part that meets the
correspondence-principle and pole-factorization requirements. The integrals
that define the terms of the remainder are here shown to have singularities on
the pertinent La... | ================================================
FILE: 9502007.tex
================================================
%Paper: quant-ph/9502007
%From: Luanne Neumann <NEUMANN@theor3.lbl.gov>
%Date: Tue, 7 Feb 1995 11:32:04 -0800 (PST)
%\documentstyle[12pt]{article}
\documentstyle[12pt, epsf]{article}
\input math_macros.... |
9502.008 | Mark J. Gotay, Hendrik Grundling, C.A. Hurst | A Groenewold-Van Hove Theorem for S^2 | null | dg-ga hep-th math.DG quant-ph | We prove that there does not exist a nontrivial quantization of the Poisson
algebra of the symplectic manifold S^2 which is irreducible on the subalgebra
generated by the components {S_1,S_2,S_3} of the spin vector. We also show that
there does not exist such a quantization of the Poisson subalgebra P consisting
of p... | ================================================
FILE: dg-ga9502008.tex
================================================
%&amslplain
%Paper: dg-ga/9502008
%From: gotay@math.hawaii.edu (Mark J. Gotay)
%Date: Wed, 22 Feb 1995 17:38:28 -1000
\documentstyle[righttag]{amsart}
\numberwithin{equation}{section}
\newcommand{... |
9502.008 | Karl Svozil | Consistent use of paradoxes in deriving constraints on the dynamics of
physical systems and of no-go-theorems | 10.1111/j.1749-6632.1995.tb39024.x | quant-ph | The classical methods used by recursion theory and formal logic to block
paradoxes do not work in quantum information theory. Since quantum information
can exist as a coherent superposition of the classical ``yes'' and ``no''
states, certain tasks which are not conceivable in the classical setting can be
performed in... | ================================================
FILE: quant-ph9502008.tex
================================================
%Paper: quant-ph/9502008
%From: svozil@tph.tuwien.ac.at (Karl Svozil)
%Date: Wed, 8 Feb 1995 12:16:01 -0400 (GMT-0400)
\documentstyle{article}
\begin{document}
\title{Consistent use of paradoxes... |
9502.009 | M. Czachor and K. Rzazewski | Roentgen term makes dipole approximation more divergent | null | quant-ph | The Roentgen correction to the dipole interaction term leads to an additional
divergency which can be eliminated for infinitely heavy atoms. For M < infinity
a probability of emission in a given direction is represented by a divergent
integral.
| ================================================
FILE: quant-ph9502009.tex
================================================
%Paper: quant-ph/9502009
%From: Marek Czachor <marek@bink.mit.edu>
%Date: Wed, 8 Feb 1995 10:15:58 -0500 (EST)
%\tolerance = 10000
\documentstyle [aps]{revtex}
%\documentstyle [preprint,aps]{revt... |
9502.010 | Eli Eisenberg and Larry Horwitz | INTRINSIC MECHANISM FOR ENTROPY CHANGE IN CLASSICAL AND QUANTUM
EVOLUTION | 10.1103/PhysRevA.52.70 | quant-ph | It is shown that the existence of a time operator in the Liouville space
representation of both classical and quantum evolution provides a mechanism for
effective entropy change of physical states. In particular, an initially
effectively pure state can evolve under the usual unitary evolution to an
effectively mixed ... | ================================================
FILE: quant-ph9502010.tex
================================================
%Paper: quant-ph/9502010
%From: eisenber@alon.cc.biu.ac.il (Eli Eisenberg)
%Date: Tue, 14 Feb 1995 10:44:14 +0200
\documentstyle[preprint,revtex]{aps}
\begin{document}
\def\hr{{\hat\rho}}
\def\... |
9502.011 | Henry P. Stapp | Is Mental Process Non-Computable? | null | quant-ph | It has recently been claimed that certain aspects of mental processing cannot
be simulated by computers, even in principle. The argument is examined and a
lacuna is identified.
| ================================================
FILE: quant-ph9502011.tex
================================================
%Paper: quant-ph/9502011
%From: Luanne Neumann <NEUMANN@theor3.lbl.gov>
%Date: Tue, 14 Feb 1995 15:01:06 -0800 (PST)
\documentstyle[12pt,amssymbols]{article}
\input math_macros.tex
\def\baseline... |
9502.012 | Henry P. Stapp | Why Classical Mechanics Cannot Naturally Accommodate Consciousness But
Quantum Mechanics Can. | null | quant-ph | It is argued on the basis of certain mathematical characteristics that
classical mechanics is not constitutionally suited to accomodate consciousness,
whereas quantum mechanics is. These mathematical characteristics pertain to the
nature of the information represented in the state of the brain, and the way
this infor... | ================================================
FILE: quant-ph9502012.tex
================================================
%Paper: quant-ph/9502012
%From: Luanne Neumann <NEUMANN@theor3.lbl.gov>
%Date: Tue, 14 Feb 1995 16:16:41 -0800 (PST)
\documentstyle[12pt,amssymbols]{article}
\input math_macros.tex
\def\baselines... |
9502.013 | B. G. Englert and K. Wodkiewicz | Intrinsic and operational observables in quantum mechanics | 10.1103/PhysRevA.51.R2661 | quant-ph | The concept of intrinsic and operational observables in quantum mechanics is
introduced. In any realistic description of a quantum measurement that includes
a macroscopic detecting device, it is possible to construct from the statistics
of the recorded raw data a set of operational quantities that correspond to the
i... | ================================================
FILE: quant-ph9502013.tex
================================================
%Paper: quant-ph/9502013
%From: wodkiew@moonchild.phys.unm.edu (Krzysztof Wodkiewicz)
%Date: Wed, 15 Feb 95 08:08:32 MST
\documentstyle[pra,aps,preprint]{revtex}
\begin{document}
\draft
\titl... |
9502.014 | H.-D. Doebner, G. A. Goldin, P. Nattermann | A FAMILY OF NONLINEAR SCHR\"ODINGER EQUATIONS: LINEARIZING
TRANSFORMATIONS AND RESULTING STRUCTURE | null | quant-ph hep-th | We examine a recently-proposed family of nonlinear Schr\"odinger equations
[J. Phys. A: Math. Gen. 27:1771(1994)] with respect to a group of
transformations that linearize a subfamily of them. We investigate the
structure of the whole family with respect to the linearizing transformations,
and propose a new, invarian... | ================================================
FILE: quant-ph9502014.tex
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%Paper: quant-ph/9502014
%From: Peter Nattermann <aspn@ptb2.pt.tu-clausthal.de>
%Date: Thu, 16 Feb 1995 11:52:17 +0100 (MEZ)
\documentstyle[12pt]{article}
\textwidth15.6cm
\textheight25.7cm
\no... |
9502.015 | Juan P. Aparicio, Fabian H. Gaioli, and Edgardo T. Garcia Alvarez | Interpretation of the evolution parameter of the Feynman parametrization
of the Dirac equation | 10.1016/0375-9601(95)00193-7 | quant-ph | The Feynman parametrization of the Dirac equation is considered in order to
obtain an indefinite mass formulation of relativistic quantum mechanics. It is
shown that the parameter that labels the evolution is related to the proper
time. The Stueckelberg interpretation of antiparticles naturally arises from
the formal... | ================================================
FILE: quant-ph9502015.tex
================================================
%Paper: quant-ph/9502015
%From: gaioli@iafe.uba.ar (Fabian Gaioli)
%Date: Thu, 16 Feb 95 18:51 GMT-3:00
\documentstyle[pra,aps]{revtex}
%\documentstyle[aps,preprint]{revtex}
\begin{document}
\dra... |
9502.016 | Karl-Peter Marzlin and Juergen Audretsch | THE "FREELY" FALLING TWO-LEVEL ATOM IN A RUNNING LASER WAVE | 10.1103/PhysRevA.53.1004 | quant-ph gr-qc | The time evolution of a two-level atom which is simultaneously exposed to the
field of a running laser wave and a homogeneous gravitational field is studied.
The result of the coupled dynamics of internal transitions and center-of-mass
motion is worked out exactly. Neglecting spontaneous emission and performing
the r... | ================================================
FILE: quant-ph9502016.tex
================================================
%Paper: quant-ph/9502016
%From: Peter Marzlin <peter@spock.physik.uni-konstanz.de>
%Date: Fri, 17 Feb 95 14:28:12 +0100
\documentstyle[]{article}
\textwidth16.5cm
\textheight23cm
\oddsidemargin0... |
9502.017 | K. Wodkiewicz | Nonlocal and local ghost fields in quantum correlations. | 10.1080/00107519508222148 | quant-ph | Einstein Podolsky Rosen quantum correlations are discussed from the
perspective of a ghost field introduced by Einstein. The concepts of ghost
field, hidden variables, local reality and the Bell inequality are reviewed. In
the framework of the correlated singlet state, it is shown that quantum
mechanics can be cast i... | ================================================
FILE: 9502017.tex
================================================
%Paper: quant-ph/9502017
%From: wodkiew@moonchild.phys.unm.edu (Krzysztof Wodkiewicz)
%Date: Fri, 17 Feb 95 13:37:52 MST
\documentstyle[pra,preprint,aps]{revtex} %% preprint style
%\documentstyle[pra... |
9502.018 | W. Janke and H. Kleinert (Johannes Gutenberg-Universit\"at Mainz and
Freie Universit\"at Berlin) | Scaling property of variational perturbation expansion for general
anharmonic oscillator | 10.1016/0375-9601(95)00126-N | quant-ph chem-ph | We prove a powerful scaling property for the extremality condition in the
recently developed variational perturbation theory which converts divergent
perturbation expansions into exponentially fast convergent ones. The proof is
given for the energy eigenvalues of an anharmonic oscillator with an arbitrary
$x^p$-poten... | ================================================
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9502.019 | W. Janke and H. Kleinert (Johannes Gutenberg-Universit\"at Mainz and
Freie Universit\"at Berlin) | Variational perturbation expansion for strong-coupling coefficients of
the anharmonic oscillator | 10.1103/PhysRevLett.75.2787 | quant-ph chem-ph | As an application of a recently developed variational perturbation theory we
find the first 22 terms of the convergent strong-coupling series expansion for
the ground state energy of the quartic anharmonic oscillator.
| ================================================
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%!PS-Adobe-2.0
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9502.020 | B. Huttner, N. Imoto, N. Gisin, and T. Mor | Quantum Cryptography with Coherent States | 10.1103/PhysRevA.51.1863 | quant-ph | The safety of a quantum key distribution system relies on the fact that any
eavesdropping attempt on the quantum channel creates errors in the
transmission. For a given error rate, the amount of information that may have
leaked to the eavesdropper depends on both the particular system and the
eavesdropping strategy. ... | ================================================
FILE: 9502020.tex
================================================
%Paper: quant-ph/9502020
%From: Tal Mor <talmo@techunix.technion.ac.il>
%Date: Tue, 21 Feb 1995 13:44:48 +0200 (EET)
\documentstyle[preprint,pra,aps]{revtex}
\begin{document}
\draft
\title{Quantum Cr... |
9502.021 | Lior Goldenberg and Lev Vaidman | Quantum Cryptography Based on Orthogonal States | 10.1103/PhysRevLett.75.1239 | quant-ph | All existing quantum cryptosystems use non-orthogonal states as the carriers
of information. Non-orthogonal states cannot be cloned (duplicated) by an
eavesdropper. In result, any eavesdropping attempt must introduce errors in the
transmission, and therefore, can be detected by the legal users of the
communication ch... | ================================================
FILE: 9502021.tex
================================================
%Paper: quant-ph/9502021
%From: Lior Goldenberg <liorg@halo.tau.ac.il>
%Date: Sat, 25 Feb 1995 05:02:36 +0200 (IST)
\documentstyle[12pt]{article}
\setlength{\textwidth}{6.3in}
\setlength{\textheight}{9... |
9502.022 | Vladimir V. Kisil (CINVESTAV del IPN, Mexico, and Odessa State
University, Ukraine) | Relativistic Quantization and Improved Equation for a Free Relativistic
Particle | null | quant-ph funct-an hep-th math.FA | Usually the only difference between relativistic quantization and standard
one is that the Lagrangian of the system under consideration should be Lorentz
invariant. The standard approaches are logically incomplete and produce
solutions with unpleasant properties: negative-energy, superluminal propagation
etc. We prop... | ================================================
FILE: quant-ph9502022.tex
================================================
%Paper: quant-ph/9502022
%From: Vladimir Kisil <vkisil@math.cinvestav.mx>
%Date: Sat, 25 Feb 1995 17:46:33 -0600 (CST)
% To process this paper you need current official LaTeX (LaTeX2e)
% and also... |
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