Coulomb crystals in the magnetic field Export

@article{citeulike:6047392, abstract = {The body-centered-cubic Coulomb crystal of ions in the presence of a uniform magnetic field is studied using the rigid electron background approximation. The phonon mode spectra are calculated for a wide range of magnetic-field strengths and for several orientations of the field in the crystal. The phonon spectra are used to calculate the phonon contribution to the crystal energy, entropy, specific heat, Debye-Waller factor of ions, and the rms ion displacements from the lattice nodes for a broad range of densities, temperatures, chemical compositions, and magnetic fields. Strong magnetic field dramatically alters the properties of quantum crystals. The phonon specific heat increases by many orders of magnitude. The ion displacements from their equilibrium positions become strongly anisotropic. The results can be relevant for dusty plasmas, ion plasmas in Penning traps, and especially for the crust of magnetars (neutron stars with superstrong magnetic fields B1014  G). The effect of the magnetic field on ion displacements in a strongly magnetized neutron star crust can suppress the nuclear reaction rates and make them extremely sensitive to the magnetic-field direction.}, author = {Baiko, D. A.}, citeulike-article-id = {6047392}, citeulike-linkout-0 = {http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PLEEE8000080000004046405000001&idtype=cvips&gifs=yes}, citeulike-linkout-1 = {http://link.aps.org/abstract/PRE/v80/e046405}, citeulike-linkout-2 = {http://dx.doi.org/10.1103/PhysRevE.80.046405}, day = {22}, doi = {10.1103/PhysRevE.80.046405}, journal = {Physical Review E (Statistical, Nonlinear, and Soft Matter Physics)}, keywords = {analytic, approximation, background, coulomb, crystal, electron, field, magnetic, model, uniform}, month = {October}, number = {4}, pages = {046405+}, posted-at = {2009-10-31 07:23:02}, priority = {2}, publisher = {APS}, title = {Coulomb crystals in the magnetic field}, url = {http://dx.doi.org/10.1103/PhysRevE.80.046405}, volume = {80}, year = {2009} }

TY - JOUR ID - citeulike:6047392 L3 - citeulike-article-id:6047392 N2 - The body-centered-cubic Coulomb crystal of ions in the presence of a uniform magnetic field is studied using the rigid electron background approximation. The phonon mode spectra are calculated for a wide range of magnetic-field strengths and for several orientations of the field in the crystal. The phonon spectra are used to calculate the phonon contribution to the crystal energy, entropy, specific heat, Debye-Waller factor of ions, and the rms ion displacements from the lattice nodes for a broad range of densities, temperatures, chemical compositions, and magnetic fields. Strong magnetic field dramatically alters the properties of quantum crystals. The phonon specific heat increases by many orders of magnitude. The ion displacements from their equilibrium positions become strongly anisotropic. The results can be relevant for dusty plasmas, ion plasmas in Penning traps, and especially for the crust of magnetars (neutron stars with superstrong magnetic fields B1014  G). The effect of the magnetic field on ion displacements in a strongly magnetized neutron star crust can suppress the nuclear reaction rates and make them extremely sensitive to the magnetic-field direction. IS - 4 JF - Physical Review E (Statistical, Nonlinear, and Soft Matter Physics) TI - Coulomb crystals in the magnetic field PB - APS VL - 80 SP - 046405 KW - analytic KW - approximation KW - background KW - coulomb KW - crystal KW - electron KW - field KW - magnetic KW - model KW - uniform AU - Baiko, DA PY - 2009/10/22/ UR - http://dx.doi.org/10.1103/PhysRevE.80.046405 ER -