Results 41 to 50 of about 145,568 (137)

Effective-Range Expansion of the Neutron-Deuteron Scattering Studied by a Quark-Model Nonlocal Gaussian Potential [PDF]

open access: yes, 2002
The S-wave effective range parameters of the neutron-deuteron (nd) scattering are derived in the Faddeev formalism, using a nonlocal Gaussian potential based on the quark-model baryon-baryon interaction fss2.
A Connes   +161 more
core   +3 more sources

Kondo Effect in Fermi Systems with a Gap: A Renormalization Group Study

open access: yes, 1997
We present the results of a Wilson Renormalization Group study of the single-impurity Kondo and Anderson models in a system with a gap in the conduction electron spectrum.
C. C. Yu   +18 more
core   +1 more source

The effect of lift on the wave-making resistance of multi-hull craft [PDF]

open access: yes, 2007
A potential based panel method is presented to estimate the wave-making characteristics of multi-hull craft. In order to simulate the lifting potential flow around the sub-hulls, the method adopts mixed source/doublet distributions on the sub-hulls and ...
Sayer, P.G., Vassalos, D., Xie, N.
core   +1 more source

Magnetic and Thermodynamic Properties of the Collective Paramagnet-Spin Liquid Pyrochlore Tb2Ti2O7

open access: yes, 2000
In a recent letter [Phys. Rev. Lett. {\bf 82}, 1012 (1999)] it was found that the Tb$^{3+}$ magnetic moments in the Tb$_2$Ti$_2$O$_7$ pyrochlore lattice of corner-sharing tetrahedra remain in a {\it collective paramagnetic} state down to 70mK.
B. den Hertog   +8 more
core   +1 more source

Outflows in Infrared-Luminous Starbursts at z < 0.5. I. Sample, NaI D Spectra, and Profile Fitting

open access: yes, 2005
We have conducted a spectroscopic survey of 78 starbursting infrared-luminous galaxies at redshifts up to z = 0.5. We use moderate-resolution spectroscopy of the NaI D interstellar absorption feature to directly probe the neutral phase of outflowing gas ...
Clements D. L.   +6 more
core   +1 more source

Self dual models and mass generation in planar field theory [PDF]

open access: yes, 2001
We analyse in three space-time dimensions, the connection between abelian self dual vector doublets and their counterparts containing both an explicit mass and a topological mass.
A. Coste   +25 more
core   +1 more source

Ground-State Phase Diagram of the XXZ Model on a Railroad-Trestle Lattice with Asymmetric Leg Interactions

open access: yes, 2006
Using the bosonization and level spectroscopy methods, we study the ground-state phase diagram of a XXZ antiferromagnet on a railroad-trestle lattice with asymmetric leg interactions.
Blundell S. A.   +18 more
core   +1 more source

Demonstration of ultra-high-Q small mode volume toroid microcavities on a chip [PDF]

open access: yes, 2004
Optical microcavities confine light spatially and temporally and find application in a wide range of fundamental and applied studies. In many areas, the microcavity figure of merit is not only determined by photon lifetime (or the equivalent quality ...
K. J. Vahala   +3 more
core   +2 more sources

Hydrodynamic synchronization of externally driven colloids

open access: yes, 2017
The collective dynamics of externally driven $N_{\rm p}$-colloidal systems ($1\le N_{\rm p}\le 4$) in a confined viscous fluid have been investigated using three-dimensional direct numerical simulations with fully resolved hydrodynamics.
Molina, John Jairo   +4 more
core   +1 more source

A higher order panel method for linearized supersonic flow [PDF]

open access: yes
The basic integral equations of linearized supersonic theory for an advanced supersonic panel method are derived. Methods using only linear varying source strength over each panel or only quadratic doublet strength over each panel gave good agreement ...
Ehlers, F. E.   +4 more
core   +1 more source

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