几何挫挫曲结梯中的静态孔
Static Holes in the Geometrically Frustrated Bow Tie Ladder
摘要：
我们利用精确对角化和量子二聚体的互补方法研究了静态空穴对自旋梯的掺杂。热力学性质，单重态密度，空穴结合能和自旋相关的结果将被呈现。对于未掺杂的系统的基态是非简并的，与最近邻自旋关联的几何不变。在掺杂的情况下，我们发现，静态空穴通过单态的局部化来抑制它们的附近，以减少挫折。这种极化引起两个空穴之间的短程排斥力和长程两空穴能量的振荡行为。对于大多数数量的调查，我们发现量子二聚体的方法和精确对角化的结果之间非常好的协议。
英文摘要：
We investigate the doping of a geometrically frustrated spin ladder with static holes by a complementary approach using exact diagonalization and quantum dimers. Results for thermodynamic properties, the singlet density of states, the hole-binding energy and the spin correlations will be presented. For the undoped systems the ground state is non-degenerate, with translationally invariant nearest-neighbor spin correlations. In the doped case, we find that static holes polarize their vicinity by a localization of singlets in order to reduce the frustration. This polarization induces short range repulsive forces between two holes and an oscillatory behavior of the long range two-hole energy. For most quantities investigated, we find very good agreement between the quantum dimer approach and the results from exact diagonalization.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
