For a system, Hamiltonian is invariant under any translation of spatial coordinates.对于一体系, 哈密算符在任何空间坐标变换下是不变的.The results of this part are obtained by model hamiltonian.这一部分的推导采用的是模型哈密顿量.Aim The Hamiltonian is transforme...
For a system, Hamiltonian is invariant under any translation of spatial coordinates.对于一体系, 哈密算符在任何空间坐标变换下是不变的.Aim The Hamiltonian is transformed from Pauli matrices to Hubbard operators.目的把用Pauli矩阵表示的哈密顿量转化成用Hubbard算符表示....
I keep muddling her up with her sister.我总是把她当成她姐姐.I've started going to evening classes to learn how to do things properly, rather than just muddling along.我已经开始去夜校听课了，学习如何做事，而不是瞎混日子。Both parties are disstisfied wit...
He curled his upper lip in a show of scepticism.他撇嘴表示怀疑。There was considerable scepticism about the Chancellor's forecast of a booming economy.有相当多的人对财政大臣作出的经济会迅猛发展的预测表示怀疑。The report has inevitably been greeted with...
The melting ice caused a rise in sea level.冰川消融造成海平面上升。We're probably at an elevation of about 13,000 feet above sea level.我们可能在大约海拔13,000英尺的高度。The whole place is at sea level.整个地区与海平面齐平。...
They had children and were consequently tied to the school holidays.他们有孩子，当然就受学校假期的束缚。This poses a threat to agriculture and the food chain, and consequently to human health.这会对农业和食物链造成威胁，由此而危及人的健康。Consequently, even as ...