搜索结果: 1-15 共查到“量子力学 Atomic”相关记录24条 . 查询时间(0.151 秒)
Fast atomic transport without vibrational heating
Fast atomic transport vibrational heating
2010/11/5
We use the dynamical invariants associated with the Hamiltonian of an atom in a one dimensional moving trap to inverse engineer the trap motion and perform fast atomic transport without final vibrati...
Atomic Fock states by gradual trap reduction: from sudden to adiabatic limits
Atomic Fock states gradual trap reduction: sudden adiabatic limits
2010/10/18
We investigate the possibility to form high delity atomic Fock states by gradual reduction of
a quasi one dimensional trap containing spin polarized fermions or strongly interacting bosons in the To...
Gaussification of quantum states of traveling light beams in atomic memory
Gaussification quantum states atomic memory
2010/10/21
We propose and investigate a protocol for Gaussification of quantum states of traveling light
beams in an atomic quantum memory that couples to light via quantum non-demolition interaction.
The prot...
Competition between symmetry breaking and onset of collapse in weakly coupled atomic condensates
symmetry breaking atomic condensates
2010/4/6
We analyze the symmetry breaking of matter-wave solitons in a pair of cigar-shaped traps coupled by tunneling of atoms. The model is based on a system of linearly coupled nonpolynomial Schr\"odinger e...
Generation of macroscopic singlet states in atomic ensembles
Generation macroscopic singlet states atomic ensembles
2010/4/9
We study squeezing of the spin uncertainties by quantum non-demolition (QND) measurement in non-polarized spin ensembles. Unlike the case of polarized ensembles, the QND measurements can be performed ...
Sources and technology for an atomic gravitational wave interferometric sensor
atom interferometers gravitational waves
2010/3/18
We study the use of atom interferometers as detectors for gravitational waves in the mHz - Hz frequency band, which is complementary to planned optical interferometers, such as LIGO and LISA. We descr...
Coherent Transport of Atomic Quantum States in a Scalable Shift Register
Coherent Transport Atomic Quantum Scalable Shift Register
2010/4/8
The coherent storage and transport of atomic quantum systems in versatile potential geometries are key elements for the investigation of quantum information processing and quantum degenerate gases. In...
Preparation of atomic Fock states by trap reduction
Preparation atomic Fock states trap reduction
2010/4/12
We describe the preparation of atom-number states with strongly interacting bosons in one dimension, or spin-polarized fermions. The procedure is based on a combination of weakening and squeezing of t...
Topological Insulators and Metals in Atomic Optical Lattices
Topological Insulators Metals Atomic Optical Lattices
2010/4/16
We propose the realization of topological quantum states with cold atoms trapped in an optical lattice. We discuss an experimental setup that generates a two-dimensional hexagonal lattice in the prese...
Global operations for protected quantum memories in atomic spin lattices
Global operations quantum memories atomic spin lattices
2010/4/9
Quantum information processed in strongly correlated states of matter can provide built in hardware protection against errors. We may encode information in highly non local degrees of freedom, such as...
Observation of prolonged coherence time of the collective spin wave of atomic ensemble in a paraffin coated Rb vapor cell
prolonged coherence collective spin wave atomic paraffin coated Rb vapor cell
2010/4/9
We report a prolonged coherence time of the collective spin wave of a thermal 87Rb atomic ensemble in a paraffin coated cell. The spin wave is prepared through a stimulated Raman Process. The long coh...
The spontaneous relaxation rates for an atom in free space and close to an absorbing surface are calculated to various orders of the electromagnetic multipole expansion. The spontaneous decay rates fo...
An entangled state prepared in the decoherence free sub-space together with a Ramsey type measurement can probe parity violation in heavy alkali ions like Ba+ or Ra+. Here I propose an experiment with...
Quantum and semiclassical spin networks: from atomic and molecular physics to quantum computing and gravity
Quantum and semiclassical spin networks atomic and molecular physics quantum computing and gravity
2010/4/8
The mathematical apparatus of quantum--mechanical angular momentum (re)coupling, developed originally to describe spectroscopic phenomena in atomic, molecular, optical and nuclear physics, is embedded...
The relevance of random choice in tests of Bell inequalities with atomic qubits
random choice tests Bell inequalities atomic qubits
2010/4/7
It is pointed out that a loophole exists in experimental tests of Bell inequality using atomic qubits, due to possible errors in the rotation angles of the atomic states. A sufficient condition is der...