Based on the well-known equivalence between the Heisenberg model and the Schrdinger map equation in 1+1 dimensions, a geometrical formulation of these hierarchies of 1+1 and 2+1 vector models is given in terms of dynamical maps into the 2-sphere. In particular, this formulation yields a ...
I just had a confusing lecture on the following: Open Set Closed set Open and Connected Domain Bounded and Unbounded sets The lecture was confusing to say the least. Could you please give me a clear explanation of these concepts with examples? By the Way: Heisenberg and Schrodinger are in ...
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The role of topological point defects (hedgehogs) in the phase transition of the classical Heisenberg model in three dimensions is investigated by using Mo... MH Lau,C Dasgupta - 《Physical Review B Condensed Matter》 被引量: 117发表: 1989年 Singlet-triplet splitting, correlation and entanglemen...
What is Werner Heisenberg famous for? Who was Amedeo Avogadro? What is Khafre known for? What is Robert Millikan famous for? What is Estevanico known for? What is Thales known for? What were the Zapotec known for? What did Robert Boyle discover about gases?
Werner Heisenberg John von Neumann P.A.M. Dirac Richard Feynman Pascual Jordan Related Topics: quantum field theory quantum S-matrix energy level wave mechanics See all related content quantum mechanics,sciencedealing with the behaviour ofmatterandlighton theatomicandsubatomicscale. It attempts to desc...
Heisenberg spin modelSchrodinger mapThe deep geometrical relationships holding among the NLS equation, the vortex filament equation,the Heisenberg spin model, and the Schrodinger map equation are extended to the general setting of Hermitian symmetric spaces. New results are obtained by utilizing a ...
Generalizedinhomogeneous Heisenberg ferromagnet model and generalized nonlinear Schredinger equa-tion. WZ Zhao,Y Q Bai,K Wu. PhysLett;A . 2006ZHAO W Z,BAI Y Q,WU K.Generalized inhomogeneous Heisenberg ferromagnet model and generalized nonlinearSchr dinger equation. Physics Letters . 2006...
Quantum PhysicsThe 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 its describing, using the nonrelativistic quantum mechanics laws and its mathematical ...
integrable spin chainWe consider discrete analogues of two well-known open problems regarding invariant measures for dispersive PDE, namely, the invariance of the Gibbs measure for the continuum (classical) Heisenberg model and the invariance of white noise under focusing cubic nonlinear Schrodinger ...