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Diffusion and binding of finite-size particles in confined geometries
Particles airtight environment biological technology particle size space particles interaction transmission
2014/12/19
Describing the diffusion of particles through crowded, confined environments with which they can interact is of considerable biological and technological interest. Under conditions where the confineme...
Five-Brane Superpotentials, Blow-Up Geometries and SU(3) Structure Manifolds
Five-Brane Superpotentials Blow-Up Geometries SU(3) Structure Manifolds
2010/12/24
We investigate the dynamics of space-time filling five-branes wrapped on curves in heterotic and orientifold Calabi-Yau compactifications. We first study the leading N=1 scalar potential on the infini...
Heterotic Non-Kahler Geometries via Polystable Bundles on Calabi-Yau Threefolds
Heterotic Non-Kahler Geometries Polystable Bundles Calabi-Yau Threefolds
2010/12/24
In arXiv:1008.1018 it is shown that a given stable vector bundle $V$ on a Calabi-Yau threefold $X$ which satisfies $c_2(X)=c_2(V)$ can be deformed to a solution of the Strominger system and the equat...
We study the zero point energy of massless scalar and vector fields subject to spheroidal boundary conditions. For massless scalar fields and small ellipticity the zero-point energy can be found usin...
We compute the sub-leading terms in the Tian-Yau-Zelditch asymptotic expansion of the partition function for dual giant gravitons on AdS5 $\times$ L5 and provide a bulk interpretation in terms of cur...
Collisional Aspects of Bosonic and Fermionic Dipoles in Quasi-Two-Dimensional Confining Geometries
Bosonic and Fermionic Dipoles Quasi-Two-Dimensional Confining Geometries
2010/11/16
Fundamental aspects of ultracold collisions between identical bosonic or fermionic dipoles are studied under quasi-two-dimensional (Q2D) confinement. In the strongly dipolar regime, bosonic and fermi...
Twisted geometries: A geometric parametrisation of SU(2) phase space
SU(2) phase space geometric parametrisation
2010/3/18
A cornerstone of the loop quantum gravity program is the fact that the phase space of general relativity on a fixed graph can be described by a product of SU(2) cotangent bundles per edge. In this pap...
Integrable System and Motion of Curves in Projective and
Similarity Geometries
motion of curve similarity geometry projective geometry integrable equation
2007/8/15
2006Vol.45No.1pp.45-48DOI:
Integrable System and Motion of Curves in Projective and
Similarity Geometries
HOU Yu-Qing
Department of Electronics, Northwest University, Xi...
Ermakov System and Plane Curve Motions in Affine Geometries
Pinney equation Ermakov system motion of plane curve affine geometry symmetry
group
2007/8/15
2005Vol.43No.2pp.201-204DOI:
Ermakov System and Plane Curve Motions in Affine Geometries
QU Chang-Zheng
Center for Nonlinear Studies, Northwest University, Xi'an 710069,...
CH3CN on Si(001): Adsorption Geometries and Electronic Structure
CH3CN Adsorption Geometries Electronic Structure
2010/10/22
In this work we employ the state of the art pseudopotential method, within a generalized gradient approximation to the density functional theory, to investigate the adsorption process of acetonitrile ...