搜索结果: 1-15 共查到“电磁学 quantum”相关记录15条 . 查询时间(0.186 秒)
Tunable coupling in circuit quantum electrodynamics with a superconducting V-system
Tunable coupling circuit quantum electrodynamics superconducting V-system
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2010/11/24
Recent progress in superconducting qubits has demonstrated the potential of these devices for
the future of quantum information processing.
Parallelizing the QUDA Library for Multi-GPU Calculations in Lattice Quantum Chromodynamics
the QUDA Library Multi-GPU Calculations Quantum Chromodynamics
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2010/11/16
Graphics Processing Units (GPUs) are having a transformational effect on numerical lattice quantum chromodynamics (LQCD) calculations of importance in nuclear and particle physics. The QUDA library pr...
Edge stability, reconstruction, zero-energy states and magnetism in triangular graphene quantum dots with zigzag edges
Edge stability zero-energy states magnetism
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2010/11/17
We present the results of ab-initio density functional theory based calculations of the stability and reconstruction of zigzag edges in triangular graphene quantum dots. We show that, while the recons...
Quantum entanglement between a nonlinear nanomechanical resonator and a microwave field
Quantum entanglement nonlinear nanomechanical resonator microwave field
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2010/11/11
We consider a theoretical model for a nonlinear nanomechanical resonator coupled to a superconducting microwave resonator. The nanomechanical resonator is driven parametrically at twice its resonance ...
Infinite disorder scaling of random quantum magnets in three and higher dimensions
Infinite disorder scaling random quantum magnets dimensions
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2010/11/11
Using a very efficient numerical algorithm of the strong disorder renormalization group method we have extended the investigations about the critical behavior of the random transverse-field Ising mode...
Wave packet revivals in a graphene quantum dot in a perpendicular magnetic field
packet revivals graphene quantum dot perpendicular magnetic field
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2010/10/27
We study the time-evolution of localized wavepackets in graphene quantum dots in a perpendicular magnetic field, focusing on the quasiclassical and revival periodicities, for different values of the m...
Dynamics of a qutrit dissipation model: non-Markovian quantum trajectory approach
Dynamics qutrit dissipation model non-Markovian quantum trajectory approach
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2010/10/21
The non-Markovian dynamics of a qutrit system coupled to a bosonic environment is a difficult
problem due to the lack of an exact master equation. We present for the first time an exact
non-Markovia...
How many bits does it take to track an open quantum system?
track open quantum system
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2010/10/20
A D-dimensional Markovian open quantum system will undergo quantum jumps between pure
states, if we can monitor the bath to which it is coupled with sufficient precision. In general these jumps, plus...
Open Quantum System Dynamics from a Measurement Perspective: Applications to Coherent Particle Transport and to Quantum~Brownian Motion
Open Quantum System Dynamics a Measurement Perspective Applications Coherent Particle Transport Quantum~Brownian Motion
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2010/10/20
We employ the theoretical framework of positive operator valued measures, to study Markovian open quantum systems. In particular, we discuss how a quantum system in uences its environment, or parts th...
The Energy Spectrum of Two-Electron Semiconductor Quantum Dots
Quantum dots Magnetic Field Eigenenergies Energy Gap Splitting
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2010/4/9
The ground-state properties of a two-dimensional quantum-dot are studied. We have used the shifted 1/N expansion method to solve the relative part Hamiltonian of two electrons confined in a quantum in...
Towards Quantum Communication with Electron Spins
Quantum Communication Electron Spins
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2010/4/12
We review our recent work towards quantum communication in a solid-state environment with qubits carried by electron spins. We propose three schemes to produce spin-entangled electrons, where the requ...
Interface Roughness-Induced Intrassubband Scattering in a Quantum Well Under an Electric Field
interface roughness intersubband
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2010/4/13
The scattering rates in the lowest subband in a quantum well are calculated for interface roughness scattering when an electric field is applied perpendicular to the layer plane. It is found that the ...
The Orbit Center Dependence of the Energy levels in a Multiple Quantum Wells Under External Tilted Magnetic and Electric Fields
Energy levels Electric Fields Multiple Quantum Wells
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2010/4/16
An analytical solution to the Schrödinger equation for a multiple quantum well system subjected to an externally applied electric field the growth direction and an externally applied tilted magne...
Electron Transport in GaAs Quantum Wells: Effect of Interface Roughness Scatterin
interface roughness electron transport
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2010/4/16
The importance of interface roughness (IFR) scattering of electrons and LO-phonons for electron transport in semiconductor quantum wells is discussed. Modulation doping of quantum wells minimizes the ...
A Time-Dependent Quantum Study of Li+HF(n=1) -> LiF(n')+H
scattering resonances A Time-Dependent Quantum
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2010/4/19
Time-dependent quantum wave packet calculations are performed for a model based (two-dimensional) Li+HF(n=1)\ra LiF(n\prime)+H reaction. The reaction probabilities for a broad range of collison energi...