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.
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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