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nucl-th1997

N-Nucleon Effective Generators of the Poincare Group Derived from a Field Theory

A. Krueger, W. Gloeckle

It is shown that the ten generators of the Poincare group acting in the Fock space of nucleons and mesons and based on standard Lagrangians can be blockdiagonalized by one and the…

cond-mat.mes-hall1997★ 86 cited

Anomalous Thermal Transport in Quantum Wires

Rosario Fazio, F. W. J. Hekking, D. E. Khmelnitskii

We study thermal transport in a one-dimensional quantum wire, connected to reservoirs. Despite of the absence of electron backscattering, interactions in the wire strongly influenc…

astro-ph1997★ 18 cited

Helmet streamers with triple structure: Weakly two-dimensional stationary states

T. Wiegelmann, K. Schindler, T. Neukirch

Recent observations of the solar corona with the LASCO coronagraph on board of the SOHO spacecraft have revealed the occurrence of triple helmet streamers even during solar minimum…

hep-ex1997★ 173 cited

Polarised Quark Distributions in the Nucleon from Semi-Inclusive Spin Asymmetries

Spin Muon Collaboration

We present a measurement of semi-inclusive spin asymmetries for positively and negatively charged hadrons from deep inelastic scattering of polarised muons on polarised protons and…

adap-org1997★ 58 cited

A condition for the genotype-phenotype mapping: Causality

Bernhard Sendhoff, Martin Kreutz, Werner von Seelen

The appropriate choice of the genotype-phenotype mapping in combination with the mutation operator is important for a successful evolutionary search process. We suggest a measure t…

hep-ph1997★ 7 cited

Estimates of higher-dimensional vacuum condensates from the instanton vacuum

M. V. Polyakov, C. Weiss

We calculate the values of non-factorizable dimension-7 vacuum condensates in the instanton vacuum. We comment on a method, recently proposed by Oganesian, to estimate the dimensio…