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Asymptotics of the mean-field Heisenberg model
Asymptotics the mean-field Heisenberg model Mathematical Physics
2012/4/16
We consider the mean-field classical Heisenberg model and obtain detailed information about the magnetization by studying the model on a complete graph and sending the number of vertices to infinity. ...
Extending PT symmetry from Heisenberg algebra to E2 algebra
Extending PT symmetry Heisenberg algebra E2 algebra
2010/10/27
The E2 algebra has three elements, J, u, and v, which satisfy the commutation relations [u; J] = iv, [v; J] = iu, [u; v] = 0. We can construct the Hamiltonian H = J2 +gu, where g is a real p...
二维Heisenberg反铁磁系统中的正则变换和自旋波
自旋波 正则变换 反铁磁 二维Heisenberg
2009/7/7
本文给出了二维Heisenberg反铁磁系统中的正则变换.在此变换下发现二维Heisenberg反铁磁模型在连续极限下是具有拓扑项的O(3)非线性σ模型.由于在选取正则变量时有很大的不确定性,因此还不能判定此系统是否确有拓扑项存在.最后对正则变换的物理意义进行了研究,发现它体现了系统自旋的集体激发,表明存在着一种自旋波.
Physical model of Schrodinger's electron. Heisenberg convenient way for description of its quantum behaviour
Physical model Schrodinger's electron Heisenberg convenient way quantum behaviour
2010/10/15
The object of this paper is to discuss the physical interpretation of quantum behaviour
of Schrodinger electron (SchEl) and bring to light on the cause for the Heisenberg convenient
operator way of ...