Results 21 to 30 of about 5,689,295 (377)

Imaginary chemical potential and finite fermion density on the lattice [PDF]

open access: yes, 1998
Standard lattice fermion algorithms run into the well-known sign problem at real chemical potential. In this paper we investigate the possibility of using imaginary chemical potential, and argue that it has advantages over other methods, particularly for
A. Hasenfratz   +15 more
core   +2 more sources

QCD at Finite temperature and density with staggered and Wilson quarks [PDF]

open access: yes, 2004
One of the most challenging issues in particle physics is to study QCD in extreme conditions. Precise determination of the QCD phase diagram on temperature $T$ and chemical potential $\mu$ plane will provide valuable information for quark-gluon plasma ...
Azcoiti   +13 more
core   +2 more sources

A quantum dynamical comparison of the electronic couplings derived from quantum electrodynamics and Förster theory: application to 2D molecular aggregates

open access: yesNew Journal of Physics, 2014
The objective of this study is to investigate under what circumstances Förster theory of electronic (resonance) energy transfer breaks down in molecular aggregates.
James E Frost, Garth A Jones
doaj   +1 more source

Molecular Dynamics Simulations: Advances and Applications

open access: yesMolecules, 2022
Molecular dynamics (MD) simulations have led to great advances in many scientific disciplines, such as chemical physics, materials science, and biophysics [...]
Hugo A. L. Filipe, Luís M. S. Loura
doaj   +1 more source

New Lewis Structures through the application of the Hypertorus Electron Model [PDF]

open access: yes, 2010
The hypertorus electron model is applied to the chemical bond. As a consequence, the bond topology can be determined. A linear correlation is found between the normalized bond area and the bond energy. The normalization number is a whole number.
Omar Yepez
core   +3 more sources

VUV excitation of a vibrational wavepacket in D2 measured through strong-field dissociative ionization

open access: yesNew Journal of Physics, 2015
Femtosecond vacuum ultraviolet pulses from a monochromated high harmonic generation source excite vibrational wavepackets in the ${B}^{1}{{\rm{\Sigma }}}_{{\rm{g}}}^{+}$ state of D _2 .
A R Bainbridge   +6 more
doaj   +1 more source

Chemical physics: The standing of a mature discipline

open access: yesChemistry Central Journal, 2007
It is always promising and enticing to start a new editorial task in the scientific arena and the launch of the Chemistry Central Journal is no exception.
Castro Eduardo A
doaj   +1 more source

Non-covalent interactions across organic and biological subsets of chemical space: Physics-based potentials parametrized from machine learning. [PDF]

open access: yesJournal of Chemical Physics, 2017
Classical intermolecular potentials typically require an extensive parametrization procedure for any new compound considered. To do away with prior parametrization, we propose a combination of physics-based potentials with machine learning (ML), coined ...
T. Bereau   +3 more
semanticscholar   +1 more source

The Phases of QCD in Heavy Ion Collisions and Compact Stars [PDF]

open access: yes, 2000
I review arguments for the existence of a critical point in the QCD phase diagram as a function of temperature and baryon chemical potential. I describe how heavy ion collision experiments at the SPS and RHIC can discover the tell-tale signatures of such
Rajagopal, Krishna
core   +2 more sources

Changes on the Physical-Chemical Properties of Kue delapan Jam on Various Steaming Time

open access: yesInternational Journal of Science and Engineering, 2014
This research intended to study browning reaction between glucose, fructose, and lipids with amino acids in real system during making Kue Delapan Jam. Research applied completely randomized design with steaming time as treatment ( 2, 4, 6, and 8 hours ...
Sri Agustini
doaj   +1 more source

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