搜索结果: 1-15 共查到“物理学 Trap”相关记录45条 . 查询时间(0.093 秒)
Picture two children playing on swings in a playground. One is a daredevil, launching themselves high off the ground in big arcs. The other daydreams, swinging gently.
Quantum-Monte-Carlo Calculations for Bosons in a Two-Dimensional Harmonic Trap
Bose system the boson harmonic trap condensate oil fractions super fluid density gas condensate
2014/12/22
Path-Integral-Monte-Carlo simulation has been used to calculate the properties of a two-dimensional (2D) interacting Bose system. The bosons interact with hard-core potentials and are confined to a ha...
Quantum-Monte-Carlo calculations for Bosons in a two-dimensional harmonic trap
Simulation of the bose system bosons harmonic trap the fluid density
2014/12/22
Path-Integral-Monte-Carlo simulation has been used to calculate the properties of a two-dimensional (2D) interacting Bose system. The bosons interact with hard-core potentials and are confined to a ha...
Ground state sideband cooling of an ion in a room temperature trap with a sub-Hertz heating rate
Ground state sideband ion sub-Hertz heating rate Atomic Physics
2012/5/29
We demonstrate resolved sideband laser cooling of a single 40Ca+ ion in a macroscopic linear radio frequency trap with a radial diagonal electrode spacing of 7 mm and an rf drive frequency of just 3.7...
On the Rigorous Derivation of the 3D Cubic Nonlinear Schr鰀inger Equation with A Switchable Quadratic Trap
Gross-Pitaevskii Hierarchy Switchable Quadratic Trap Collapsing Estimate Klainerman-Machedon Board Game and Space-time Bound
2012/4/17
We consider the dynamics of the 3D N-body Schr\"odinger equation in the presence of a switchable quadratic trap. We assume the pair interaction potential is N^{3{\beta}-1}V(N^{{\beta}}x). We justify t...
Fermi gas with attractive potential and arbitrary spin in one-dimensional trap
Fermi gas attractive potential arbitrary spin one-dimensional trap
2011/8/18
Abstract: A gas of ultracold $^6$Li atoms (effective spin 1/2) confined to an elongated trap with one-dimensional properties is a candidate to display three different phases: (i) fermions bound in Coo...
Unitary fermions on the lattice I: in a harmonic trap
unitary fermions Bertsch parameter overlap problem
2011/7/21
We present a new lattice Monte Carlo approach developed for studying large numbers of strongly interacting nonrelativistic fermions, and apply it to a dilute gas of unitary fermions confined to a harm...
Storage and Adiabatic Cooling of Polar Molecules in a Microstructured Trap
adiabatic cooling cold molecules electrostatic trapping
2011/8/17
Abstract: We demonstrate loading, trapping and adiabatic cooling of polar molecules in a new type of electric trap. The trap consists of two microstructured capacitor plates with an additional perimet...
We have investigated the all-optical generation of ions by photo-ionisation of atoms generated by pulsed laser ablation. A direct comparison between a re-
sistively heated oven source and pulsed lase...
Electric field compensation and sensing with a single ion in a planar trap
Electric field compensation and sensing ion
2011/9/1
We use a single ion as an movable electric field sensor with accuracies on the order of a few V/m. For this, we compensate undesired static electric fields
in a planar RF trap and characterize the st...
Phase transition to Bose-Einstein condensation for a Bosonic gas confined in a combined trap
Bose-Einstein condensation Bosonic gas confined
2010/11/22
We present a study of phase transition to macroscopic superfluidity for an ultracold bosonic gas confined in a combined trap formed by a one-dimensional optical lattice and a harmonic potential,focusi...
Supersolid in a one-dimensional optical lattice in the presence of a harmonic trap
Supersolid in a one-dimensional optical lattice harmonic trap
2010/11/19
We study a system of ultra-cold atoms possessing long range interaction (e.g. dipole-dipole interaction)in a one dimensional optical lattice in the presence of a confining harmonic trap. We have shown...
Perturbative correction to the ground state properties of one-dimensional strongly interacting bosons in a harmonic trap
Perturbative correction ground state properties harmonic trap
2010/11/19
We calculate the rst order perturbation correction to the ground state energy and chemical
potential of a harmonically trapped boson gas with contact interactions about the in nite repulsion Tonks-G...
Dynamics of a Bose-Einstein condensate in a symmetric triple-well trap
Dynamics a symmetric triple-well trap a Bose-Einstein condensate
2010/11/8
We present a complete analysis of the dynamics of a Bose-Einstein condensate trapped in a symmetric triple-well potential. Our classical analogue treatment, based on a time-dependent variational metho...
Fast production of large 23Na Bose-Einstein condensates in an optically plugged magnetic quadrupole trap
optically plugged magnetic quadrupole trap
2010/11/18
We demonstrate a fast production of large 23Na Bose-Einstein condensates in an optically plugged,magnetic quadrupole trap. A single global minimum of the trapping potential is generated by slightly di...