Results 31 to 40 of about 2,306 (84)

Virial series for inhomogeneous fluids applied to the Lennard-Jones wall-fluid surface tension at planar and curved walls [PDF]

open access: yes, 2016
We formulate a straightforward scheme of statistical mechanics for inhomogeneous systems that includes the virial series in powers of the activity for the grand free energy and density distributions.
Abramowitz M.   +9 more
core   +2 more sources

pH dependence of perturbed angular correlation in DOTA chelated $$^{111}$$ 111 In measured with ring-shape gamma-ray detectors

open access: yesInteractions
The conventional nuclear medical imaging, such as PET and SPECT, visualizes the accumulation of radioisotopes in the human body and has been widely used for diagnosis of cancer and other diseases.
K. Shimazoe   +14 more
semanticscholar   +1 more source

Sensory organ like response determines the magnetism of zigzag-edged honeycomb nanoribbons

open access: yes, 2012
We present an analytical theory for the magnetic phase diagram for zigzag edge terminated honeycomb nanoribbons described by a Hubbard model with an interaction parameter U . We show that the edge magnetic moment varies as ln U and uncover its dependence
A. Altland   +5 more
core   +1 more source

Posner molecules: From atomic structure to nuclear spins

open access: yes, 2017
We investigate "Posner molecules", calcium phosphate clusters with chemical formula Ca$_9$(PO$_4$)$_6$. Originally identified in hydroxyapatite, Posner molecules have also been observed as free-floating molecules $in$ $vitro$.
Fisher, Matthew P. A.   +2 more
core   +1 more source

Interpolated wave functions for nonadiabatic simulations with the fixed-node quantum Monte Carlo method

open access: yes, 2016
Simulating nonadiabatic effects with many-body wave function approaches is an open field with many challenges. Recent interest has been driven by new algorithmic developments and improved theoretical understanding of properties unique to electron-ion ...
Anderson J. B.   +50 more
core   +1 more source

Highlighting mathematical and physico-chemical concepts which can generate epistemological obstacles in biology courses: A case study of ecology

open access: yesSHS Web of Conferences
Many biology content areas require physics, mathematics and chemistry, for example ecology, genetics, biochemistry and many other biology subject areas need mathematical algorithms and statistics.
N. Zghida   +4 more
semanticscholar   +1 more source

Efficiency of photodesorption of Rb atoms collected on polymer organic film in vapor-cell

open access: yes, 2011
The efficiency of photodesorption of Rb atoms previously collected on polymer organic film has been studied in detail. This study was carried out in a Pyrex glass cell of which the inner surface was covered with (poly)dimethylsiloxane (PDMS) film and ...
Atutov, Sergey N.   +3 more
core   +1 more source

Linked coupled cluster Monte Carlo. [PDF]

open access: yes, 2016
We consider a new formulation of the stochastic coupled cluster method in terms of the similarity transformed Hamiltonian. We show that improvement in the granularity with which the wavefunction is represented results in a reduction in the critical ...
Franklin, RST   +3 more
core  

iMapD: intrinsic Map Dynamics exploration for uncharted effective free energy landscapes

open access: yes, 2016
We describe and implement iMapD, a computer-assisted approach for accelerating the exploration of uncharted effective Free Energy Surfaces (FES), and more generally for the extraction of coarse-grained, macroscopic information from atomistic or ...
Chiavazzo, Eliodoro   +6 more
core   +1 more source

Kinetic Path Summation, Multi--Sheeted Extension of Master Equation, and Evaluation of Ergodicity Coefficient

open access: yes, 2011
We study the Master equation with time--dependent coefficients, a linear kinetic equation for the Markov chains or for the monomolecular chemical kinetics. For the solution of this equation a path summation formula is proved.
A.N. Gorban   +29 more
core   +1 more source

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