搜索结果: 1-8 共查到“热力学 QUANTUM”相关记录8条 . 查询时间(0.126 秒)
To address the issue of electron correlation driven superconductivity in graphene, we perform a systematic quantum Monte Carlo study of the pairing correlation in thet-U-VHubbard model on a honeycomb ...
Quantum relaxation after a quench in systems with boundaries
Quantum relaxation boundaries
2010/11/23
We study the time-dependence of the magnetization profile, ml(t), of a large finite open quantum Ising chain after a quench. We observe a cyclic variation, in which starting with an exponentially decr...
Thermal Enhancement of Interference Effects in Quantum Point Contacts
Thermal Enhancement Interference Effects Quantum Point Contacts
2010/11/24
We study an electron interferometer formed with a quantum point contact and a scanning probe
tip in a two-dimensional electron gas. The images giving the conductance as a function of the tip position...
Comparison of Thermodynamic Characteristics in Quantum and Classical Approaches and Game Theory
Comparison Thermodynamic Characteristics Quantum Classical Approaches Game Theory
2010/11/11
We fix the temperature $T$ and consider mean energy and entropy as two players of a game. As a result, basic formulas for the quantum mean energy and the quantum entropy are derived. We compare also t...
We study quantum fidelity, the overlap between two ground states of a many-body system, focusing on the thermodynamic regime. We present novel analytical results for quantum fidelity of the Ising chai...
Maximally efficient quantum thermal machines: The basic principles
Maximally efficient quantum thermal machines The basic principles
2010/10/19
Following the result by Skrzypczyk et al., arXiv:1009.0865, that certain self-contained quantum
thermal machines can reach Carnot efficiency, we discuss the functioning of self-contained quantum ther...
Quantum Maxwell’s Demon in Thermodynamic Cycles
Quantum Maxwell’s Demon Thermodynamic Cycles
2010/10/20
We study the physical mechanism of Maxwell’s Demon (MD) helping to do extra work in thermodynamic cycles, by describing measurement of position, insertion of wall and information erasing of MD in a qu...
Thermodynamics in Loop Quantum Cosmology
Thermodynamics Loop quantum gravity loop quantum cosmology
2009/9/4
Loop quantum cosmology (LQC) is very powerful to deal with the behavior of early universe. Moreover, the effective loop quantum cosmology gives a successful description of the universe in the semiclas...