密度矩阵重整化群方法 DMRG
我们利用密度矩阵重整化群方法来研究熵的对数行为。
The method of density matrix renormalization-group is applied to obtain logarithmic behavior of the entropy.
在研究这类问题时，常用的理论方法有转移矩阵法、组合解法、重整化群方法及图形展开法等。
The usual ways to study the subject are the transfer-matrix method, combination solution, the renormalization-group technique, and graphic expansion, and so forth.
通过密度矩阵重整化群的方法，我们研究了不同系统中的基态纠缠。
By using the method of density matrix renormalization group, the ground state entanglement in different systems is studied.
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